deps: update V8 to 6.6.346.23

PR-URL: https://github.com/nodejs/node/pull/19201
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

27 files changed, 4822 insertions, 694 deletions

diff --git a/deps/v8/gypfiles/all.gyp b/deps/v8/gypfiles/all.gyp
index 2f9cf858c0..5592ee1b36 100644
--- a/deps/v8/gypfiles/all.gyp
+++ b/deps/v8/gypfiles/all.gyp
@@ -8,46 +8,23 @@
       'target_name': 'All',
       'type': 'none',
       'dependencies': [
-        '../src/d8.gyp:d8',
-        '../test/inspector/inspector.gyp:*',
-        '../test/mkgrokdump/mkgrokdump.gyp:*',
+        'd8.gyp:d8',
+        'inspector-test.gyp:*',
+        'mkgrokdump.gyp:*',
       ],
       'conditions': [
         ['component!="shared_library"', {
           'dependencies': [
-            '../tools/parser-shell.gyp:parser-shell',
+            'parser-shell.gyp:parser-shell',
           ],
         }],
         # These items don't compile for Android on Mac.
         ['host_os!="mac" or OS!="android"', {
           'dependencies': [
-            '../samples/samples.gyp:*',
-            '../test/cctest/cctest.gyp:*',
-            '../test/fuzzer/fuzzer.gyp:*',
-            '../test/unittests/unittests.gyp:*',
-          ],
-        }],
-        ['test_isolation_mode != "noop"', {
-          'dependencies': [
-            '../test/bot_default.gyp:*',
-            '../test/benchmarks/benchmarks.gyp:*',
-            '../test/debugger/debugger.gyp:*',
-            '../test/default.gyp:*',
-            '../test/d8_default.gyp:*',
-            '../test/intl/intl.gyp:*',
-            '../test/message/message.gyp:*',
-            '../test/mjsunit/mjsunit.gyp:*',
-            '../test/mozilla/mozilla.gyp:*',
-            '../test/optimize_for_size.gyp:*',
-            '../test/perf.gyp:*',
-            '../test/preparser/preparser.gyp:*',
-            '../test/test262/test262.gyp:*',
-            '../test/webkit/webkit.gyp:*',
-            '../tools/check-static-initializers.gyp:*',
-            '../tools/gcmole/run_gcmole.gyp:*',
-            '../tools/jsfunfuzz/jsfunfuzz.gyp:*',
-            '../tools/run-deopt-fuzzer.gyp:*',
-            '../tools/run-num-fuzzer.gyp:*',
+            'samples.gyp:*',
+            'cctest.gyp:*',
+            'fuzzer.gyp:*',
+            'unittests.gyp:*',
           ],
         }],
       ]
diff --git a/deps/v8/gypfiles/cctest.gyp b/deps/v8/gypfiles/cctest.gyp
new file mode 100644
index 0000000000..6e7fddae0b
--- /dev/null
+++ b/deps/v8/gypfiles/cctest.gyp
@@ -0,0 +1,468 @@
+# Copyright 2012 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'variables': {
+    'v8_code': 1,
+    'generated_file': '<(SHARED_INTERMEDIATE_DIR)/resources.cc',
+    'cctest_sources': [
+      '../test/cctest/compiler/c-signature.h',
+      '../test/cctest/compiler/call-tester.h',
+      '../test/cctest/compiler/codegen-tester.cc',
+      '../test/cctest/compiler/codegen-tester.h',
+      '../test/cctest/compiler/code-assembler-tester.h',
+      '../test/cctest/compiler/function-tester.cc',
+      '../test/cctest/compiler/function-tester.h',
+      '../test/cctest/compiler/graph-builder-tester.h',
+      '../test/cctest/compiler/test-basic-block-profiler.cc',
+      '../test/cctest/compiler/test-branch-combine.cc',
+      '../test/cctest/compiler/test-run-unwinding-info.cc',
+      '../test/cctest/compiler/test-gap-resolver.cc',
+      '../test/cctest/compiler/test-graph-visualizer.cc',
+      '../test/cctest/compiler/test-code-generator.cc',
+      '../test/cctest/compiler/test-code-assembler.cc',
+      '../test/cctest/compiler/test-instruction.cc',
+      '../test/cctest/compiler/test-js-context-specialization.cc',
+      '../test/cctest/compiler/test-js-constant-cache.cc',
+      '../test/cctest/compiler/test-js-typed-lowering.cc',
+      '../test/cctest/compiler/test-jump-threading.cc',
+      '../test/cctest/compiler/test-linkage.cc',
+      '../test/cctest/compiler/test-loop-analysis.cc',
+      '../test/cctest/compiler/test-machine-operator-reducer.cc',
+      '../test/cctest/compiler/test-multiple-return.cc',
+      '../test/cctest/compiler/test-node.cc',
+      '../test/cctest/compiler/test-operator.cc',
+      '../test/cctest/compiler/test-representation-change.cc',
+      '../test/cctest/compiler/test-run-bytecode-graph-builder.cc',
+      '../test/cctest/compiler/test-run-calls-to-external-references.cc',
+      '../test/cctest/compiler/test-run-deopt.cc',
+      '../test/cctest/compiler/test-run-intrinsics.cc',
+      '../test/cctest/compiler/test-run-jsbranches.cc',
+      '../test/cctest/compiler/test-run-jscalls.cc',
+      '../test/cctest/compiler/test-run-jsexceptions.cc',
+      '../test/cctest/compiler/test-run-jsobjects.cc',
+      '../test/cctest/compiler/test-run-jsops.cc',
+      '../test/cctest/compiler/test-run-load-store.cc',
+      '../test/cctest/compiler/test-run-machops.cc',
+      '../test/cctest/compiler/test-run-native-calls.cc',
+      '../test/cctest/compiler/test-run-retpoline.cc',
+      '../test/cctest/compiler/test-run-stackcheck.cc',
+      '../test/cctest/compiler/test-run-stubs.cc',
+      '../test/cctest/compiler/test-run-tail-calls.cc',
+      '../test/cctest/compiler/test-run-variables.cc',
+      '../test/cctest/compiler/test-run-wasm-machops.cc',
+      '../test/cctest/compiler/value-helper.cc',
+      '../test/cctest/compiler/value-helper.h',
+      '../test/cctest/cctest.cc',
+      '../test/cctest/cctest.h',
+      '../test/cctest/expression-type-collector-macros.h',
+      '../test/cctest/gay-fixed.cc',
+      '../test/cctest/gay-fixed.h',
+      '../test/cctest/gay-precision.cc',
+      '../test/cctest/gay-precision.h',
+      '../test/cctest/gay-shortest.cc',
+      '../test/cctest/gay-shortest.h',
+      '../test/cctest/heap/heap-tester.h',
+      '../test/cctest/heap/heap-utils.cc',
+      '../test/cctest/heap/heap-utils.h',
+      '../test/cctest/heap/test-alloc.cc',
+      '../test/cctest/heap/test-array-buffer-tracker.cc',
+      '../test/cctest/heap/test-compaction.cc',
+      '../test/cctest/heap/test-concurrent-marking.cc',
+      '../test/cctest/heap/test-embedder-tracing.cc',
+      '../test/cctest/heap/test-heap.cc',
+      '../test/cctest/heap/test-incremental-marking.cc',
+      '../test/cctest/heap/test-invalidated-slots.cc',
+      '../test/cctest/heap/test-lab.cc',
+      '../test/cctest/heap/test-mark-compact.cc',
+      '../test/cctest/heap/test-page-promotion.cc',
+      '../test/cctest/heap/test-spaces.cc',
+      '../test/cctest/interpreter/interpreter-tester.cc',
+      '../test/cctest/interpreter/interpreter-tester.h',
+      '../test/cctest/interpreter/source-position-matcher.cc',
+      '../test/cctest/interpreter/source-position-matcher.h',
+      '../test/cctest/interpreter/test-bytecode-generator.cc',
+      '../test/cctest/interpreter/test-interpreter.cc',
+      '../test/cctest/interpreter/test-interpreter-intrinsics.cc',
+      '../test/cctest/interpreter/test-source-positions.cc',
+      '../test/cctest/interpreter/bytecode-expectations-printer.cc',
+      '../test/cctest/interpreter/bytecode-expectations-printer.h',
+      '../test/cctest/libplatform/test-tracing.cc',
+      '../test/cctest/libsampler/test-sampler.cc',
+      '../test/cctest/parsing/test-parse-decision.cc',
+      '../test/cctest/parsing/test-preparser.cc',
+      '../test/cctest/parsing/test-scanner-streams.cc',
+      '../test/cctest/parsing/test-scanner.cc',
+      '../test/cctest/print-extension.cc',
+      '../test/cctest/print-extension.h',
+      '../test/cctest/profiler-extension.cc',
+      '../test/cctest/profiler-extension.h',
+      '../test/cctest/scope-test-helper.h',
+      '../test/cctest/setup-isolate-for-tests.cc',
+      '../test/cctest/setup-isolate-for-tests.h',
+      '../test/cctest/test-access-checks.cc',
+      '../test/cctest/test-accessor-assembler.cc',
+      '../test/cctest/test-accessors.cc',
+      '../test/cctest/test-allocation.cc',
+      '../test/cctest/test-api.cc',
+      '../test/cctest/test-api.h',
+      '../test/cctest/test-api-accessors.cc',
+      '../test/cctest/test-api-interceptors.cc',
+      '../test/cctest/test-array-list.cc',
+      '../test/cctest/test-atomicops.cc',
+      '../test/cctest/test-bignum.cc',
+      '../test/cctest/test-bignum-dtoa.cc',
+      '../test/cctest/test-bit-vector.cc',
+      '../test/cctest/test-circular-queue.cc',
+      '../test/cctest/test-code-layout.cc',
+      '../test/cctest/test-code-stub-assembler.cc',
+      '../test/cctest/test-compiler.cc',
+      '../test/cctest/test-constantpool.cc',
+      '../test/cctest/test-conversions.cc',
+      '../test/cctest/test-cpu-profiler.cc',
+      '../test/cctest/test-date.cc',
+      '../test/cctest/test-debug.cc',
+      '../test/cctest/test-decls.cc',
+      '../test/cctest/test-deoptimization.cc',
+      '../test/cctest/test-dictionary.cc',
+      '../test/cctest/test-diy-fp.cc',
+      '../test/cctest/test-double.cc',
+      '../test/cctest/test-dtoa.cc',
+      '../test/cctest/test-elements-kind.cc',
+      '../test/cctest/test-fast-dtoa.cc',
+      '../test/cctest/test-feedback-vector.cc',
+      '../test/cctest/test-feedback-vector.h',
+      '../test/cctest/test-field-type-tracking.cc',
+      '../test/cctest/test-fixed-dtoa.cc',
+      '../test/cctest/test-flags.cc',
+      '../test/cctest/test-func-name-inference.cc',
+      '../test/cctest/test-global-handles.cc',
+      '../test/cctest/test-global-object.cc',
+      '../test/cctest/test-hashcode.cc',
+      '../test/cctest/test-hashmap.cc',
+      '../test/cctest/test-heap-profiler.cc',
+      '../test/cctest/test-identity-map.cc',
+      '../test/cctest/test-intl.cc',
+      '../test/cctest/test-inobject-slack-tracking.cc',
+      '../test/cctest/test-isolate-independent-builtins.cc',
+      '../test/cctest/test-liveedit.cc',
+      '../test/cctest/test-lockers.cc',
+      '../test/cctest/test-log.cc',
+      '../test/cctest/test-managed.cc',
+      '../test/cctest/test-mementos.cc',
+      '../test/cctest/test-modules.cc',
+      '../test/cctest/test-object.cc',
+      '../test/cctest/test-orderedhashtable.cc',
+      '../test/cctest/test-parsing.cc',
+      '../test/cctest/test-platform.cc',
+      '../test/cctest/test-profile-generator.cc',
+      '../test/cctest/test-random-number-generator.cc',
+      '../test/cctest/test-regexp.cc',
+      '../test/cctest/test-representation.cc',
+      '../test/cctest/test-sampler-api.cc',
+      '../test/cctest/test-serialize.cc',
+      '../test/cctest/test-strings.cc',
+      '../test/cctest/test-symbols.cc',
+      '../test/cctest/test-strtod.cc',
+      '../test/cctest/test-thread-termination.cc',
+      '../test/cctest/test-threads.cc',
+      '../test/cctest/test-trace-event.cc',
+      '../test/cctest/test-traced-value.cc',
+      '../test/cctest/test-transitions.cc',
+      '../test/cctest/test-transitions.h',
+      '../test/cctest/test-typedarrays.cc',
+      '../test/cctest/test-types.cc',
+      '../test/cctest/test-unbound-queue.cc',
+      '../test/cctest/test-unboxed-doubles.cc',
+      '../test/cctest/test-unscopables-hidden-prototype.cc',
+      '../test/cctest/test-usecounters.cc',
+      '../test/cctest/test-utils.cc',
+      '../test/cctest/test-version.cc',
+      '../test/cctest/test-weakmaps.cc',
+      '../test/cctest/test-weaksets.cc',
+      '../test/cctest/trace-extension.cc',
+      '../test/cctest/trace-extension.h',
+      '../test/cctest/types-fuzz.h',
+      '../test/cctest/unicode-helpers.h',
+      '../test/cctest/wasm/test-c-wasm-entry.cc',
+      '../test/cctest/wasm/test-streaming-compilation.cc',
+      '../test/cctest/wasm/test-run-wasm.cc',
+      '../test/cctest/wasm/test-run-wasm-64.cc',
+      '../test/cctest/wasm/test-run-wasm-asmjs.cc',
+      '../test/cctest/wasm/test-run-wasm-atomics.cc',
+      '../test/cctest/wasm/test-run-wasm-interpreter.cc',
+      '../test/cctest/wasm/test-run-wasm-js.cc',
+      '../test/cctest/wasm/test-run-wasm-module.cc',
+      '../test/cctest/wasm/test-run-wasm-relocation.cc',
+      '../test/cctest/wasm/test-run-wasm-sign-extension.cc',
+      '../test/cctest/wasm/test-run-wasm-simd.cc',
+      '../test/cctest/wasm/test-wasm-breakpoints.cc',
+      "../test/cctest/wasm/test-wasm-codegen.cc",
+      '../test/cctest/wasm/test-wasm-interpreter-entry.cc',
+      '../test/cctest/wasm/test-wasm-stack.cc',
+      '../test/cctest/wasm/test-wasm-trap-position.cc',
+      '../test/cctest/wasm/wasm-run-utils.cc',
+      '../test/cctest/wasm/wasm-run-utils.h',
+    ],
+    'cctest_sources_ia32': [
+      '../test/cctest/test-assembler-ia32.cc',
+      '../test/cctest/test-code-stubs.cc',
+      '../test/cctest/test-code-stubs.h',
+      '../test/cctest/test-code-stubs-ia32.cc',
+      '../test/cctest/test-disasm-ia32.cc',
+      '../test/cctest/test-log-stack-tracer.cc',
+      '../test/cctest/test-run-wasm-relocation-ia32.cc',
+    ],
+    'cctest_sources_x64': [
+      '../test/cctest/test-assembler-x64.cc',
+      '../test/cctest/test-code-stubs.cc',
+      '../test/cctest/test-code-stubs.h',
+      '../test/cctest/test-code-stubs-x64.cc',
+      '../test/cctest/test-disasm-x64.cc',
+      '../test/cctest/test-macro-assembler-x64.cc',
+      '../test/cctest/test-log-stack-tracer.cc',
+      '../test/cctest/test-run-wasm-relocation-x64.cc',
+    ],
+    'cctest_sources_arm': [
+      '../test/cctest/assembler-helper-arm.cc',
+      '../test/cctest/assembler-helper-arm.h',
+      '../test/cctest/test-assembler-arm.cc',
+      '../test/cctest/test-code-stubs.cc',
+      '../test/cctest/test-code-stubs.h',
+      '../test/cctest/test-code-stubs-arm.cc',
+      '../test/cctest/test-disasm-arm.cc',
+      '../test/cctest/test-macro-assembler-arm.cc',
+      '../test/cctest/test-run-wasm-relocation-arm.cc',
+      '../test/cctest/test-sync-primitives-arm.cc',
+    ],
+    'cctest_sources_arm64': [
+      '../test/cctest/test-utils-arm64.cc',
+      '../test/cctest/test-utils-arm64.h',
+      '../test/cctest/test-assembler-arm64.cc',
+      '../test/cctest/test-code-stubs.cc',
+      '../test/cctest/test-code-stubs.h',
+      '../test/cctest/test-code-stubs-arm64.cc',
+      '../test/cctest/test-disasm-arm64.cc',
+      '../test/cctest/test-fuzz-arm64.cc',
+      '../test/cctest/test-javascript-arm64.cc',
+      '../test/cctest/test-js-arm64-variables.cc',
+      '../test/cctest/test-run-wasm-relocation-arm64.cc',
+      '../test/cctest/test-sync-primitives-arm64.cc',
+    ],
+    'cctest_sources_s390': [
+      '../test/cctest/test-assembler-s390.cc',
+      '../test/cctest/test-code-stubs.cc',
+      '../test/cctest/test-code-stubs.h',
+      '../test/cctest/test-disasm-s390.cc',
+    ],
+    'cctest_sources_ppc': [
+      '../test/cctest/test-assembler-ppc.cc',
+      '../test/cctest/test-code-stubs.cc',
+      '../test/cctest/test-code-stubs.h',
+      '../test/cctest/test-disasm-ppc.cc',
+    ],
+    'cctest_sources_mips': [
+      '../test/cctest/test-assembler-mips.cc',
+      '../test/cctest/test-code-stubs.cc',
+      '../test/cctest/test-code-stubs.h',
+      '../test/cctest/test-code-stubs-mips.cc',
+      '../test/cctest/test-disasm-mips.cc',
+      '../test/cctest/test-macro-assembler-mips.cc',
+    ],
+    'cctest_sources_mipsel': [
+      '../test/cctest/test-assembler-mips.cc',
+      '../test/cctest/test-code-stubs.cc',
+      '../test/cctest/test-code-stubs.h',
+      '../test/cctest/test-code-stubs-mips.cc',
+      '../test/cctest/test-disasm-mips.cc',
+      '../test/cctest/test-macro-assembler-mips.cc',
+    ],
+    'cctest_sources_mips64': [
+      '../test/cctest/test-assembler-mips64.cc',
+      '../test/cctest/test-code-stubs.cc',
+      '../test/cctest/test-code-stubs.h',
+      '../test/cctest/test-code-stubs-mips64.cc',
+      '../test/cctest/test-disasm-mips64.cc',
+      '../test/cctest/test-macro-assembler-mips64.cc',
+    ],
+    'cctest_sources_mips64el': [
+      '../test/cctest/test-assembler-mips64.cc',
+      '../test/cctest/test-code-stubs.cc',
+      '../test/cctest/test-code-stubs.h',
+      '../test/cctest/test-code-stubs-mips64.cc',
+      '../test/cctest/test-disasm-mips64.cc',
+      '../test/cctest/test-macro-assembler-mips64.cc',
+    ],
+  },
+  'includes': ['toolchain.gypi', 'features.gypi'],
+  'targets': [
+    {
+      'target_name': 'cctest',
+      'type': 'executable',
+      'dependencies': [
+        'resources',
+        'v8.gyp:v8_libbase',
+        'v8.gyp:v8_libplatform',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/common/wasm/flag-utils.h',
+        '../test/common/wasm/test-signatures.h',
+        '../test/common/wasm/wasm-macro-gen.h',
+        '../test/common/wasm/wasm-module-runner.cc',
+        '../test/common/wasm/wasm-module-runner.h',
+        '<@(cctest_sources)',
+        '<(generated_file)',
+      ],
+      'conditions': [
+        ['v8_target_arch=="ia32"', {
+          'sources': [
+            '<@(cctest_sources_ia32)',
+          ],
+        }],
+        ['v8_target_arch=="x64"', {
+          'sources': [
+            '<@(cctest_sources_x64)',
+          ],
+        }],
+        ['v8_target_arch=="arm"', {
+          'sources': [
+            '<@(cctest_sources_arm)',
+          ],
+        }],
+        ['v8_target_arch=="arm64"', {
+          'sources': [
+            '<@(cctest_sources_arm64)',
+          ],
+        }],
+        ['v8_target_arch=="s390"', {
+          'sources': [
+            '<@(cctest_sources_s390)',
+          ],
+        }],
+        ['v8_target_arch=="s390x"', {
+          'sources': [
+            '<@(cctest_sources_s390)',
+          ],
+        }],
+        ['v8_target_arch=="ppc"', {
+          'sources': [
+            '<@(cctest_sources_ppc)',
+          ],
+        }],
+        ['v8_target_arch=="ppc64"', {
+          'sources': [
+            '<@(cctest_sources_ppc)',
+          ],
+        }],
+        ['v8_target_arch=="mips"', {
+          'sources': [
+            '<@(cctest_sources_mips)',
+          ],
+        }],
+        ['v8_target_arch=="mipsel"', {
+          'sources': [
+            '<@(cctest_sources_mipsel)',
+          ],
+        }],
+        ['v8_target_arch=="mips64"', {
+          'sources': [
+            '<@(cctest_sources_mips64)',
+          ],
+        }],
+        ['v8_target_arch=="mips64el"', {
+          'sources': [
+            '<@(cctest_sources_mips64el)',
+          ],
+        }],
+        [ 'OS=="win"', {
+          'msvs_settings': {
+            'VCCLCompilerTool': {
+              # MSVS wants this for gay-{precision,shortest}.cc.
+              'AdditionalOptions': ['/bigobj'],
+            },
+          },
+        }],
+        ['v8_target_arch=="ppc" or v8_target_arch=="ppc64" \
+          or v8_target_arch=="arm" or v8_target_arch=="arm64" \
+          or v8_target_arch=="s390" or v8_target_arch=="s390x" \
+          or v8_target_arch=="mips" or v8_target_arch=="mips64" \
+          or v8_target_arch=="mipsel" or v8_target_arch=="mips64el"', {
+          # disable fmadd/fmsub so that expected results match generated code in
+          # RunFloat64MulAndFloat64Add1 and friends.
+          'cflags': ['-ffp-contract=off'],
+        }],
+        ['OS=="aix"', {
+          'ldflags': [ '-Wl,-bbigtoc' ],
+        }],
+        ['component=="shared_library"', {
+          # cctest can't be built against a shared library, so we need to
+          # depend on the underlying static target in that case.
+          'dependencies': ['v8.gyp:v8_maybe_snapshot'],
+          'defines': [ 'BUILDING_V8_SHARED', ]
+        }, {
+          'dependencies': ['v8.gyp:v8'],
+        }],
+        ['v8_use_snapshot=="true"', {
+          'dependencies': ['v8.gyp:v8_initializers'],
+        }],
+      ],
+    },
+    {
+      'target_name': 'resources',
+      'type': 'none',
+      'variables': {
+        'file_list': [
+           '../tools/splaytree.js',
+           '../tools/codemap.js',
+           '../tools/csvparser.js',
+           '../tools/consarray.js',
+           '../tools/profile.js',
+           '../tools/profile_view.js',
+           '../tools/arguments.js',
+           '../tools/logreader.js',
+           '../test/cctest/log-eq-of-logging-and-traversal.js',
+        ],
+      },
+      'actions': [
+        {
+          'action_name': 'js2c',
+          'inputs': [
+            '../tools/js2c.py',
+            '<@(file_list)',
+          ],
+          'outputs': [
+            '<(generated_file)',
+          ],
+          'action': [
+            'python',
+            '../tools/js2c.py',
+            '<@(_outputs)',
+            'TEST',  # type
+            '<@(file_list)',
+          ],
+        }
+      ],
+    },
+    {
+      'target_name': 'generate-bytecode-expectations',
+      'type': 'executable',
+      'dependencies': [
+        'v8.gyp:v8',
+        'v8.gyp:v8_libbase',
+        'v8.gyp:v8_libplatform',
+      ],
+      'include_dirs+': [
+        '..',
+      ],
+      'sources': [
+        '../test/cctest/interpreter/bytecode-expectations-printer.cc',
+        '../test/cctest/interpreter/bytecode-expectations-printer.h',
+        '../test/cctest/interpreter/generate-bytecode-expectations.cc',
+      ],
+    },
+  ],
+}
diff --git a/deps/v8/gypfiles/coverage_wrapper.py b/deps/v8/gypfiles/coverage_wrapper.py
index d5fdee43cf..d5fdee43cf 100755..100644
--- a/deps/v8/gypfiles/coverage_wrapper.py
+++ b/deps/v8/gypfiles/coverage_wrapper.py
diff --git a/deps/v8/gypfiles/d8.gyp b/deps/v8/gypfiles/d8.gyp
new file mode 100644
index 0000000000..f593a2b044
--- /dev/null
+++ b/deps/v8/gypfiles/d8.gyp
@@ -0,0 +1,119 @@
+# Copyright 2018 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'variables': {
+    'v8_code': 1,
+    # Enable support for Intel VTune. Supported on ia32/x64 only
+    'v8_enable_vtunejit%': 0,
+    'v8_enable_i18n_support%': 1,
+  },
+  'includes': ['toolchain.gypi', 'features.gypi'],
+  'targets': [
+    {
+      'target_name': 'd8',
+      'type': 'executable',
+      'dependencies': [
+        'v8.gyp:v8',
+        'v8.gyp:v8_libbase',
+        'v8.gyp:v8_libplatform',
+      ],
+      # Generated source files need this explicitly:
+      'include_dirs+': [
+        '..',
+        '<(DEPTH)',
+      ],
+      'sources': [
+        '../src/d8.h',
+        '../src/d8.cc',
+        '../src/d8-console.h',
+        '../src/d8-console.cc',
+        '<(SHARED_INTERMEDIATE_DIR)/d8-js.cc',
+      ],
+      'conditions': [
+        [ 'want_separate_host_toolset==1', {
+          'toolsets': [ 'target', ],
+          'dependencies': [
+            'd8_js2c#host',
+          ],
+        }, {
+          'dependencies': [
+            'd8_js2c',
+          ],
+        }],
+        ['(OS=="linux" or OS=="mac" or OS=="freebsd" or OS=="netbsd" \
+           or OS=="openbsd" or OS=="solaris" or OS=="android" \
+           or OS=="qnx" or OS=="aix")', {
+             'sources': [ '../src/d8-posix.cc', ]
+           }],
+        [ 'OS=="win"', {
+          'sources': [ '../src/d8-windows.cc', ]
+        }],
+        [ 'component!="shared_library"', {
+          'conditions': [
+            [ 'v8_postmortem_support=="true"', {
+              'xcode_settings': {
+                'OTHER_LDFLAGS': [
+                   '-Wl,-force_load,<(PRODUCT_DIR)/libv8_base.a'
+                ],
+              },
+            }],
+          ],
+        }],
+        ['v8_enable_vtunejit==1', {
+          'dependencies': [
+            'v8vtune.gyp:v8_vtune',
+          ],
+        }],
+        ['v8_enable_i18n_support==1', {
+          'dependencies': [
+            '<(icu_gyp_path):icui18n',
+            '<(icu_gyp_path):icuuc',
+          ],
+        }],
+        ['OS=="win" and v8_enable_i18n_support==1', {
+          'dependencies': [
+            '<(icu_gyp_path):icudata',
+          ],
+        }],
+      ],
+    },
+    {
+      'target_name': 'd8_js2c',
+      'type': 'none',
+      'variables': {
+        'js_files': [
+          '../src/d8.js',
+          '../src/js/macros.py',
+        ],
+      },
+      'conditions': [
+        [ 'want_separate_host_toolset==1', {
+          'toolsets': ['host'],
+        }, {
+          'toolsets': ['target'],
+        }]
+      ],
+      'actions': [
+        {
+          'action_name': 'd8_js2c',
+          'inputs': [
+            '../tools/js2c.py',
+            '<@(js_files)',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/d8-js.cc',
+          ],
+          'action': [
+            'python',
+            '../tools/js2c.py',
+            '<@(_outputs)',
+            'D8',
+            '<@(js_files)'
+          ],
+        },
+      ],
+    },
+  ],
+}
diff --git a/deps/v8/gypfiles/features.gypi b/deps/v8/gypfiles/features.gypi
index 8c99b4f086..69ff763be0 100644
--- a/deps/v8/gypfiles/features.gypi
+++ b/deps/v8/gypfiles/features.gypi
@@ -87,6 +87,9 @@
     # Enable concurrent marking.
     'v8_enable_concurrent_marking%': 1,
 
+    # Enables various testing features.
+    'v8_enable_test_features%': 0,
+
     # Controls the threshold for on-heap/off-heap Typed Arrays.
     'v8_typed_array_max_size_in_heap%': 64,
 
@@ -119,6 +122,9 @@
       ['v8_trace_maps==1', {
         'defines': ['V8_TRACE_MAPS',],
       }],
+      ['v8_enable_test_features==1', {
+        'defines': ['V8_ENABLE_ALLOCATION_TIMEOUT', 'V8_ENABLE_FORCE_SLOW_PATH'],
+      }],
       ['v8_enable_verify_predictable==1', {
         'defines': ['VERIFY_PREDICTABLE',],
       }],
@@ -164,7 +170,7 @@
       },  # Debug
       'Release': {
         'variables': {
-          'v8_enable_handle_zapping%': 0,
+          'v8_enable_handle_zapping%': 1,
         },
         'conditions': [
           ['v8_enable_handle_zapping==1', {
diff --git a/deps/v8/gypfiles/fuzzer.gyp b/deps/v8/gypfiles/fuzzer.gyp
new file mode 100644
index 0000000000..f65b7dc6d0
--- /dev/null
+++ b/deps/v8/gypfiles/fuzzer.gyp
@@ -0,0 +1,518 @@
+# Copyright 2016 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'variables': {
+    'v8_code': 1,
+  },
+  'includes': ['toolchain.gypi', 'features.gypi'],
+  'targets': [
+    {
+      'target_name': 'v8_simple_json_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'json_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'json_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/json.cc',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_parser_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'parser_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'parser_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/parser.cc',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_regexp_builtins_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'regexp_builtins_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'regexp_builtins_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/regexp-builtins.cc',
+        '../test/fuzzer/regexp_builtins/mjsunit.js.h',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_regexp_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'regexp_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'regexp_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/regexp.cc',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_multi_return_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'multi_return_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'multi_return_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/cctest/compiler/c-signature.h',
+        '../test/cctest/compiler/call-helper.h',
+        '../test/cctest/compiler/raw-machine-assembler-tester.h',
+        '../test/fuzzer/multi-return.cc',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_wasm_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'wasm_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'wasm_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/wasm.cc',
+        '../test/common/wasm/wasm-module-runner.cc',
+        '../test/common/wasm/wasm-module-runner.h',
+        '../test/fuzzer/wasm-fuzzer-common.cc',
+        '../test/fuzzer/wasm-fuzzer-common.h',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_wasm_async_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'wasm_async_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'wasm_async_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/wasm-async.cc',
+        '../test/common/wasm/wasm-module-runner.cc',
+        '../test/common/wasm/wasm-module-runner.h',
+        '../test/fuzzer/wasm-fuzzer-common.cc',
+        '../test/fuzzer/wasm-fuzzer-common.h',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_wasm_code_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'wasm_code_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'wasm_code_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/wasm-code.cc',
+        '../test/common/wasm/test-signatures.h',
+        '../test/common/wasm/wasm-module-runner.cc',
+        '../test/common/wasm/wasm-module-runner.h',
+        '../test/fuzzer/wasm-fuzzer-common.cc',
+        '../test/fuzzer/wasm-fuzzer-common.h',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_wasm_compile_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'wasm_compile_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'wasm_compile_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/wasm-compile.cc',
+        '../test/common/wasm/test-signatures.h',
+        '../test/common/wasm/wasm-module-runner.cc',
+        '../test/common/wasm/wasm-module-runner.h',
+        '../test/fuzzer/wasm-fuzzer-common.cc',
+        '../test/fuzzer/wasm-fuzzer-common.h',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_wasm_data_section_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'wasm_data_section_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'wasm_data_section_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/wasm-data-section.cc',
+        '../test/common/wasm/wasm-module-runner.cc',
+        '../test/common/wasm/wasm-module-runner.h',
+        '../test/fuzzer/wasm-fuzzer-common.cc',
+        '../test/fuzzer/wasm-fuzzer-common.h',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_wasm_function_sigs_section_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'wasm_function_sigs_section_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'wasm_function_sigs_section_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/wasm-function-sigs-section.cc',
+        '../test/common/wasm/wasm-module-runner.cc',
+        '../test/common/wasm/wasm-module-runner.h',
+        '../test/fuzzer/wasm-fuzzer-common.cc',
+        '../test/fuzzer/wasm-fuzzer-common.h',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_wasm_globals_section_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'wasm_globals_section_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'wasm_globals_section_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/wasm-globals-section.cc',
+        '../test/common/wasm/wasm-module-runner.cc',
+        '../test/common/wasm/wasm-module-runner.h',
+        '../test/fuzzer/wasm-fuzzer-common.cc',
+        '../test/fuzzer/wasm-fuzzer-common.h',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_wasm_imports_section_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'wasm_imports_section_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'wasm_imports_section_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/wasm-imports-section.cc',
+        '../test/common/wasm/wasm-module-runner.cc',
+        '../test/common/wasm/wasm-module-runner.h',
+        '../test/fuzzer/wasm-fuzzer-common.cc',
+        '../test/fuzzer/wasm-fuzzer-common.h',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_wasm_memory_section_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'wasm_memory_section_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'wasm_memory_section_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/wasm-memory-section.cc',
+        '../test/common/wasm/wasm-module-runner.cc',
+        '../test/common/wasm/wasm-module-runner.h',
+        '../test/fuzzer/wasm-fuzzer-common.cc',
+        '../test/fuzzer/wasm-fuzzer-common.h',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_wasm_names_section_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'wasm_names_section_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'wasm_names_section_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/wasm-names-section.cc',
+        '../test/common/wasm/wasm-module-runner.cc',
+        '../test/common/wasm/wasm-module-runner.h',
+        '../test/fuzzer/wasm-fuzzer-common.cc',
+        '../test/fuzzer/wasm-fuzzer-common.h',
+      ],
+    },
+    {
+      'target_name': 'v8_simple_wasm_types_section_fuzzer',
+      'type': 'executable',
+      'dependencies': [
+        'wasm_types_section_fuzzer_lib',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer.cc',
+      ],
+    },
+    {
+      'target_name': 'wasm_types_section_fuzzer_lib',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'fuzzer_support',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/wasm-types-section.cc',
+        '../test/common/wasm/wasm-module-runner.cc',
+        '../test/common/wasm/wasm-module-runner.h',
+        '../test/fuzzer/wasm-fuzzer-common.cc',
+        '../test/fuzzer/wasm-fuzzer-common.h',
+      ],
+    },
+    {
+      'target_name': 'fuzzer_support',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8',
+        'v8.gyp:v8_libbase',
+        'v8.gyp:v8_libplatform',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/fuzzer/fuzzer-support.cc',
+        '../test/fuzzer/fuzzer-support.h',
+      ],
+      'conditions': [
+        ['v8_enable_i18n_support==1', {
+          'dependencies': [
+            '<(icu_gyp_path):icui18n',
+            '<(icu_gyp_path):icuuc',
+          ],
+        }],
+      ],
+    },
+  ],
+}
diff --git a/deps/v8/gypfiles/get_landmines.py b/deps/v8/gypfiles/get_landmines.py
deleted file mode 100755
index 6137648e6d..0000000000
--- a/deps/v8/gypfiles/get_landmines.py
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2014 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""
-This file emits the list of reasons why a particular build needs to be clobbered
-(or a list of 'landmines').
-"""
-
-import sys
-
-
-def main():
-  """
-  ALL LANDMINES ARE EMITTED FROM HERE.
-  """
-  print 'Need to clobber after ICU52 roll.'
-  print 'Landmines test.'
-  print 'Activating MSVS 2013.'
-  print 'Revert activation of MSVS 2013.'
-  print 'Activating MSVS 2013 again.'
-  print 'Clobber after ICU roll.'
-  print 'Moar clobbering...'
-  print 'Remove build/android.gypi'
-  print 'Cleanup after windows ninja switch attempt.'
-  print 'Switching to pinned msvs toolchain.'
-  print 'Clobbering to hopefully resolve problem with mksnapshot'
-  print 'Clobber after ICU roll.'
-  print 'Clobber after Android NDK update.'
-  print 'Clober to fix windows build problems.'
-  print 'Clober again to fix windows build problems.'
-  print 'Clobber to possibly resolve failure on win-32 bot.'
-  print 'Clobber for http://crbug.com/668958.'
-  return 0
-
-
-if __name__ == '__main__':
-  sys.exit(main())
diff --git a/deps/v8/gypfiles/gmock.gyp b/deps/v8/gypfiles/gmock.gyp
new file mode 100644
index 0000000000..a80387298b
--- /dev/null
+++ b/deps/v8/gypfiles/gmock.gyp
@@ -0,0 +1,72 @@
+# Copyright 2014 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'targets': [
+    {
+      'target_name': 'gmock',
+      'type': 'static_library',
+      'dependencies': [
+        'gtest.gyp:gtest',
+      ],
+      'sources': [
+        # Sources based on files in r173 of gmock.
+        '../testing/gmock/include/gmock/gmock-actions.h',
+        '../testing/gmock/include/gmock/gmock-cardinalities.h',
+        '../testing/gmock/include/gmock/gmock-generated-actions.h',
+        '../testing/gmock/include/gmock/gmock-generated-function-mockers.h',
+        '../testing/gmock/include/gmock/gmock-generated-matchers.h',
+        '../testing/gmock/include/gmock/gmock-generated-nice-strict.h',
+        '../testing/gmock/include/gmock/gmock-matchers.h',
+        '../testing/gmock/include/gmock/gmock-spec-builders.h',
+        '../testing/gmock/include/gmock/gmock.h',
+        '../testing/gmock/include/gmock/internal/gmock-generated-internal-utils.h',
+        '../testing/gmock/include/gmock/internal/gmock-internal-utils.h',
+        '../testing/gmock/include/gmock/internal/gmock-port.h',
+        '../testing/gmock/src/gmock-all.cc',
+        '../testing/gmock/src/gmock-cardinalities.cc',
+        '../testing/gmock/src/gmock-internal-utils.cc',
+        '../testing/gmock/src/gmock-matchers.cc',
+        '../testing/gmock/src/gmock-spec-builders.cc',
+        '../testing/gmock/src/gmock.cc',
+        '../testing/gmock-support.h',  # gMock helpers
+        '../testing/gmock_custom/gmock/internal/custom/gmock-port.h',
+      ],
+      'sources!': [
+        '../testing/gmock/src/gmock-all.cc',  # Not needed by our build.
+      ],
+      'include_dirs': [
+        '../testing/gmock_custom',
+        '../testing/gmock',
+        '../testing/gmock/include',
+      ],
+      'all_dependent_settings': {
+        'include_dirs': [
+          '../testing/gmock_custom',
+          '../testing/gmock/include',  # So that gmock headers can find themselves.
+        ],
+      },
+      'export_dependent_settings': [
+        'gtest.gyp:gtest',
+      ],
+      'conditions': [
+        ['want_separate_host_toolset==1', {
+          'toolsets': ['host', 'target'],
+        }, {
+          'toolsets': ['target'],
+        }],
+      ],
+    },
+    {
+      'target_name': 'gmock_main',
+      'type': 'static_library',
+      'dependencies': [
+        'gmock',
+      ],
+      'sources': [
+        '../testing/gmock/src/gmock_main.cc',
+      ],
+    },
+  ],
+}
diff --git a/deps/v8/gypfiles/gtest.gyp b/deps/v8/gypfiles/gtest.gyp
new file mode 100644
index 0000000000..82ae105293
--- /dev/null
+++ b/deps/v8/gypfiles/gtest.gyp
@@ -0,0 +1,122 @@
+# Copyright 2014 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'targets': [
+    {
+      'target_name': 'gtest',
+      'toolsets': ['host', 'target'],
+      'type': 'static_library',
+      'sources': [
+        '../testing/gtest/include/gtest/gtest-death-test.h',
+        '../testing/gtest/include/gtest/gtest-message.h',
+        '../testing/gtest/include/gtest/gtest-param-test.h',
+        '../testing/gtest/include/gtest/gtest-printers.h',
+        '../testing/gtest/include/gtest/gtest-spi.h',
+        '../testing/gtest/include/gtest/gtest-test-part.h',
+        '../testing/gtest/include/gtest/gtest-typed-test.h',
+        '../testing/gtest/include/gtest/gtest.h',
+        '../testing/gtest/include/gtest/gtest_pred_impl.h',
+        '../testing/gtest/include/gtest/internal/gtest-death-test-internal.h',
+        '../testing/gtest/include/gtest/internal/gtest-filepath.h',
+        '../testing/gtest/include/gtest/internal/gtest-internal.h',
+        '../testing/gtest/include/gtest/internal/gtest-linked_ptr.h',
+        '../testing/gtest/include/gtest/internal/gtest-param-util-generated.h',
+        '../testing/gtest/include/gtest/internal/gtest-param-util.h',
+        '../testing/gtest/include/gtest/internal/gtest-port.h',
+        '../testing/gtest/include/gtest/internal/gtest-string.h',
+        '../testing/gtest/include/gtest/internal/gtest-tuple.h',
+        '../testing/gtest/include/gtest/internal/gtest-type-util.h',
+        '../testing/gtest/src/gtest-all.cc',
+        '../testing/gtest/src/gtest-death-test.cc',
+        '../testing/gtest/src/gtest-filepath.cc',
+        '../testing/gtest/src/gtest-internal-inl.h',
+        '../testing/gtest/src/gtest-port.cc',
+        '../testing/gtest/src/gtest-printers.cc',
+        '../testing/gtest/src/gtest-test-part.cc',
+        '../testing/gtest/src/gtest-typed-test.cc',
+        '../testing/gtest/src/gtest.cc',
+        '../testing/gtest-support.h',
+      ],
+      'sources!': [
+        '../testing/gtest/src/gtest-all.cc',  # Not needed by our build.
+      ],
+      'include_dirs': [
+        '../testing/gtest',
+        '../testing/gtest/include',
+      ],
+      'dependencies': [
+        'gtest_prod',
+      ],
+      'defines': [
+        # In order to allow regex matches in gtest to be shared between Windows
+        # and other systems, we tell gtest to always use it's internal engine.
+        'GTEST_HAS_POSIX_RE=0',
+        'GTEST_LANG_CXX11=1',
+      ],
+      'all_dependent_settings': {
+        'defines': [
+          'GTEST_HAS_POSIX_RE=0',
+          'GTEST_LANG_CXX11=1',
+        ],
+      },
+      'conditions': [
+        ['OS=="android"', {
+          'defines': [
+            'GTEST_HAS_CLONE=0',
+          ],
+          'direct_dependent_settings': {
+            'defines': [
+              'GTEST_HAS_CLONE=0',
+            ],
+          },
+        }],
+      ],
+      'direct_dependent_settings': {
+        'defines': [
+          'UNIT_TEST',
+        ],
+        'include_dirs': [
+          '../testing/gtest/include',  # So that gtest headers can find themselves.
+        ],
+        'target_conditions': [
+          ['_type=="executable"', {
+            'test': 1,
+            'conditions': [
+              ['OS=="mac"', {
+                'run_as': {
+                  'action????': ['${BUILT_PRODUCTS_DIR}/${PRODUCT_NAME}'],
+                },
+              }],
+              ['OS=="win"', {
+                'run_as': {
+                  'action????': ['$(TargetPath)', '--gtest_print_time'],
+                },
+              }],
+            ],
+          }],
+        ],
+        'msvs_disabled_warnings': [4800],
+      },
+    },
+    {
+      'target_name': 'gtest_main',
+      'type': 'static_library',
+      'dependencies': [
+        'gtest',
+      ],
+      'sources': [
+        '../testing/gtest/src/gtest_main.cc',
+      ],
+    },
+    {
+      'target_name': 'gtest_prod',
+      'toolsets': ['host', 'target'],
+      'type': 'none',
+      'sources': [
+        '../testing/gtest/include/gtest/gtest_prod.h',
+      ],
+    },
+  ],
+}
diff --git a/deps/v8/gypfiles/gyp_v8 b/deps/v8/gypfiles/gyp_v8
index 5215f51352..62e13d86e6 100755..100644
--- a/deps/v8/gypfiles/gyp_v8
+++ b/deps/v8/gypfiles/gyp_v8
@@ -48,7 +48,8 @@ import gyp
 # Add paths so that pymod_do_main(...) can import files.
 sys.path.insert(
     1, os.path.abspath(os.path.join(v8_root, 'tools', 'generate_shim_headers')))
-
+sys.path.append(
+    os.path.abspath(os.path.join(v8_root, 'third_party', 'binutils')))
 
 def GetOutputDirectory():
   """Returns the output directory that GYP will use."""
@@ -108,14 +109,19 @@ def run_gyp(args):
 if __name__ == '__main__':
   args = sys.argv[1:]
 
-  gyp_chromium_no_action = os.environ.get('GYP_CHROMIUM_NO_ACTION', '1')
-  if gyp_chromium_no_action != '0':
-    print 'GYP is now disabled by default.\n'
-    print 'If you really want to run this, set the environment variable '
-    print 'GYP_CHROMIUM_NO_ACTION=0.'
+  gyp_chromium_no_action = os.environ.get('GYP_CHROMIUM_NO_ACTION')
+  if gyp_chromium_no_action == '1':
+    print 'Skipping gyp_v8 due to GYP_CHROMIUM_NO_ACTION env var.'
     sys.exit(0)
 
   running_as_hook = '--running-as-hook'
+  if running_as_hook in args and gyp_chromium_no_action != '0':
+    print 'GYP is now disabled by default in runhooks.\n'
+    print 'If you really want to run this, either run '
+    print '`python gypfiles/gyp_v8` explicitly by hand '
+    print 'or set the environment variable GYP_CHROMIUM_NO_ACTION=0.'
+    sys.exit(0)
+
   if running_as_hook in args:
     args.remove(running_as_hook)
 
diff --git a/deps/v8/gypfiles/inspector-test.gyp b/deps/v8/gypfiles/inspector-test.gyp
new file mode 100644
index 0000000000..c8cc5561a4
--- /dev/null
+++ b/deps/v8/gypfiles/inspector-test.gyp
@@ -0,0 +1,39 @@
+# Copyright 2016 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'variables': {
+    'v8_code': 1,
+  },
+  'includes': ['toolchain.gypi', 'features.gypi'],
+  'targets': [
+    {
+      'target_name': 'inspector-test',
+      'type': 'executable',
+      'dependencies': [
+        'v8.gyp:v8_libplatform',
+        'v8.gyp:v8_libbase',
+        'v8.gyp:v8',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/inspector/inspector-test.cc',
+        '../test/inspector/isolate-data.cc',
+        '../test/inspector/isolate-data.h',
+        '../test/inspector/task-runner.cc',
+        '../test/inspector/task-runner.h',
+      ],
+      'conditions': [
+        ['v8_enable_i18n_support==1', {
+          'dependencies': [
+            '<(icu_gyp_path):icui18n',
+            '<(icu_gyp_path):icuuc',
+          ],
+        }],
+      ],
+    },
+  ],
+}
diff --git a/deps/v8/gypfiles/inspector.gyp b/deps/v8/gypfiles/inspector.gyp
new file mode 100644
index 0000000000..c0b503d9ce
--- /dev/null
+++ b/deps/v8/gypfiles/inspector.gyp
@@ -0,0 +1,89 @@
+# Copyright 2016 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'variables': {
+    'protocol_path': '../third_party/inspector_protocol',
+    'inspector_path': '../src/inspector',
+  },
+  'includes': [
+    'inspector.gypi',
+    '../third_party/inspector_protocol/inspector_protocol.gypi',
+  ],
+  'targets': [
+    { 'target_name': 'inspector_injected_script',
+      'type': 'none',
+      'toolsets': ['target'],
+      'actions': [
+        {
+          'action_name': 'convert_js_to_cpp_char_array',
+          'inputs': [
+            '<(inspector_path)/build/xxd.py',
+            '<(inspector_injected_script_source)',
+          ],
+          'outputs': [
+            '<(inspector_generated_injected_script)',
+          ],
+          'action': [
+            'python',
+            '<(inspector_path)/build/xxd.py',
+            'InjectedScriptSource_js',
+            '<(inspector_path)/injected-script-source.js',
+            '<@(_outputs)'
+          ],
+        },
+      ],
+      # Since this target generates header files, it needs to be a hard dependency.
+      'hard_dependency': 1,
+    },
+    { 'target_name': 'protocol_compatibility',
+      'type': 'none',
+      'toolsets': ['target'],
+      'actions': [
+        {
+          'action_name': 'protocol_compatibility',
+          'inputs': [
+            '<(inspector_path)/js_protocol.json',
+          ],
+          'outputs': [
+            '<@(SHARED_INTERMEDIATE_DIR)/src/js_protocol.stamp',
+          ],
+          'action': [
+            'python',
+            '<(protocol_path)/CheckProtocolCompatibility.py',
+            '--stamp', '<@(_outputs)',
+            '<(inspector_path)/js_protocol.json',
+          ],
+          'message': 'Generating inspector protocol sources from protocol json definition',
+        },
+      ]
+    },
+    { 'target_name': 'protocol_generated_sources',
+      'type': 'none',
+      'dependencies': [ 'protocol_compatibility' ],
+      'toolsets': ['target'],
+      'actions': [
+        {
+          'action_name': 'protocol_generated_sources',
+          'inputs': [
+            '<(inspector_path)/js_protocol.json',
+            '<(inspector_path)/inspector_protocol_config.json',
+            '<@(inspector_protocol_files)',
+          ],
+          'outputs': [
+            '<@(inspector_generated_sources)',
+          ],
+          'action': [
+            'python',
+            '<(protocol_path)/CodeGenerator.py',
+            '--jinja_dir', '../third_party',
+            '--output_base', '<(SHARED_INTERMEDIATE_DIR)/src/inspector',
+            '--config', '<(inspector_path)/inspector_protocol_config.json',
+          ],
+          'message': 'Generating inspector protocol sources from protocol json',
+        },
+      ]
+    },
+  ],
+}
diff --git a/deps/v8/gypfiles/inspector.gypi b/deps/v8/gypfiles/inspector.gypi
new file mode 100644
index 0000000000..00cbbfaecb
--- /dev/null
+++ b/deps/v8/gypfiles/inspector.gypi
@@ -0,0 +1,90 @@
+# Copyright 2016 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'variables': {
+    'inspector_generated_sources': [
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Forward.h',
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Protocol.cpp',
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Protocol.h',
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Console.cpp',
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Console.h',
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Debugger.cpp',
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Debugger.h',
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/HeapProfiler.cpp',
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/HeapProfiler.h',
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Profiler.cpp',
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Profiler.h',
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Runtime.cpp',
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Runtime.h',
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Schema.cpp',
+      '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Schema.h',
+      '<(SHARED_INTERMEDIATE_DIR)/include/inspector/Debugger.h',
+      '<(SHARED_INTERMEDIATE_DIR)/include/inspector/Runtime.h',
+      '<(SHARED_INTERMEDIATE_DIR)/include/inspector/Schema.h',
+    ],
+
+    'inspector_injected_script_source': '../src/inspector/injected-script-source.js',
+    'inspector_generated_injected_script': '<(SHARED_INTERMEDIATE_DIR)/src/inspector/injected-script-source.h',
+
+    'inspector_all_sources': [
+      '<@(inspector_generated_sources)',
+      '<(inspector_generated_injected_script)',
+      '../include/v8-inspector.h',
+      '../include/v8-inspector-protocol.h',
+      '../src/inspector/injected-script.cc',
+      '../src/inspector/injected-script.h',
+      '../src/inspector/inspected-context.cc',
+      '../src/inspector/inspected-context.h',
+      '../src/inspector/remote-object-id.cc',
+      '../src/inspector/remote-object-id.h',
+      '../src/inspector/search-util.cc',
+      '../src/inspector/search-util.h',
+      '../src/inspector/string-16.cc',
+      '../src/inspector/string-16.h',
+      '../src/inspector/string-util.cc',
+      '../src/inspector/string-util.h',
+      '../src/inspector/test-interface.cc',
+      '../src/inspector/test-interface.h',
+      '../src/inspector/v8-console.cc',
+      '../src/inspector/v8-console.h',
+      '../src/inspector/v8-console-agent-impl.cc',
+      '../src/inspector/v8-console-agent-impl.h',
+      '../src/inspector/v8-console-message.cc',
+      '../src/inspector/v8-console-message.h',
+      '../src/inspector/v8-debugger.cc',
+      '../src/inspector/v8-debugger.h',
+      '../src/inspector/v8-debugger-agent-impl.cc',
+      '../src/inspector/v8-debugger-agent-impl.h',
+      '../src/inspector/v8-debugger-script.cc',
+      '../src/inspector/v8-debugger-script.h',
+      '../src/inspector/v8-function-call.cc',
+      '../src/inspector/v8-function-call.h',
+      '../src/inspector/v8-heap-profiler-agent-impl.cc',
+      '../src/inspector/v8-heap-profiler-agent-impl.h',
+      '../src/inspector/v8-injected-script-host.cc',
+      '../src/inspector/v8-injected-script-host.h',
+      '../src/inspector/v8-inspector-impl.cc',
+      '../src/inspector/v8-inspector-impl.h',
+      '../src/inspector/v8-inspector-session-impl.cc',
+      '../src/inspector/v8-inspector-session-impl.h',
+      '../src/inspector/v8-internal-value-type.cc',
+      '../src/inspector/v8-internal-value-type.h',
+      '../src/inspector/v8-profiler-agent-impl.cc',
+      '../src/inspector/v8-profiler-agent-impl.h',
+      '../src/inspector/v8-regex.cc',
+      '../src/inspector/v8-regex.h',
+      '../src/inspector/v8-runtime-agent-impl.cc',
+      '../src/inspector/v8-runtime-agent-impl.h',
+      '../src/inspector/v8-schema-agent-impl.cc',
+      '../src/inspector/v8-schema-agent-impl.h',
+      '../src/inspector/v8-stack-trace-impl.cc',
+      '../src/inspector/v8-stack-trace-impl.h',
+      '../src/inspector/v8-value-utils.cc',
+      '../src/inspector/v8-value-utils.h',
+      '../src/inspector/wasm-translation.cc',
+      '../src/inspector/wasm-translation.h',
+    ]
+  }
+}
diff --git a/deps/v8/gypfiles/isolate.gypi b/deps/v8/gypfiles/isolate.gypi
deleted file mode 100644
index 3e85b530e2..0000000000
--- a/deps/v8/gypfiles/isolate.gypi
+++ /dev/null
@@ -1,100 +0,0 @@
-# Copyright 2015 the V8 project authors. All rights reserved.
-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# This file is meant to be included into a target to provide a rule
-# to "build" .isolate files into a .isolated file.
-#
-# To use this, create a gyp target with the following form:
-# 'conditions': [
-#   ['test_isolation_mode != "noop"', {
-#     'targets': [
-#       {
-#         'target_name': 'foo_test_run',
-#         'type': 'none',
-#         'dependencies': [
-#           'foo_test',
-#         ],
-#         'includes': [
-#           '../gypfiles/isolate.gypi',
-#         ],
-#         'sources': [
-#           'foo_test.isolate',
-#         ],
-#       },
-#     ],
-#   }],
-# ],
-#
-# Note: foo_test.isolate is included and a source file. It is an inherent
-# property of the .isolate format. This permits to define GYP variables but is
-# a stricter format than GYP so isolate.py can read it.
-#
-# The generated .isolated file will be:
-#   <(PRODUCT_DIR)/foo_test.isolated
-#
-# See http://dev.chromium.org/developers/testing/isolated-testing/for-swes
-# for more information.
-
-{
-  'rules': [
-    {
-      'rule_name': 'isolate',
-      'extension': 'isolate',
-      'inputs': [
-        # Files that are known to be involved in this step.
-        '<(DEPTH)/tools/isolate_driver.py',
-        '<(DEPTH)/tools/swarming_client/isolate.py',
-        '<(DEPTH)/tools/swarming_client/run_isolated.py',
-      ],
-      'outputs': [
-        '<(PRODUCT_DIR)/<(RULE_INPUT_ROOT).isolated',
-      ],
-      'action': [
-        'python',
-        '<(DEPTH)/tools/isolate_driver.py',
-        '<(test_isolation_mode)',
-        '--isolated', '<(PRODUCT_DIR)/<(RULE_INPUT_ROOT).isolated',
-        '--isolate', '<(RULE_INPUT_PATH)',
-
-        # Variables should use the -V FOO=<(FOO) form so frequent values,
-        # like '0' or '1', aren't stripped out by GYP. Run 'isolate.py help'
-        # for more details.
-
-        # Path variables are used to replace file paths when loading a .isolate
-        # file
-        '--path-variable', 'DEPTH', '<(DEPTH)',
-        '--path-variable', 'PRODUCT_DIR', '<(PRODUCT_DIR)',
-
-        '--config-variable', 'CONFIGURATION_NAME=<(CONFIGURATION_NAME)',
-        '--config-variable', 'OS=<(OS)',
-        '--config-variable', 'asan=<(asan)',
-        '--config-variable', 'cfi_vptr=<(cfi_vptr)',
-        '--config-variable', 'gcmole=<(gcmole)',
-        '--config-variable', 'has_valgrind=<(has_valgrind)',
-        '--config-variable', 'icu_use_data_file_flag=<(icu_use_data_file_flag)',
-        '--config-variable', 'msan=<(msan)',
-        '--config-variable', 'tsan=<(tsan)',
-        '--config-variable', 'coverage=<(coverage)',
-        '--config-variable', 'sanitizer_coverage=<(sanitizer_coverage)',
-        '--config-variable', 'component=<(component)',
-        '--config-variable', 'target_arch=<(target_arch)',
-        '--config-variable', 'ubsan_vptr=0',
-        '--config-variable', 'v8_use_external_startup_data=<(v8_use_external_startup_data)',
-        '--config-variable', 'v8_use_snapshot=<(v8_use_snapshot)',
-      ],
-      'conditions': [
-        ['OS=="win"', {
-          'action': [
-            '--config-variable', 'msvs_version=2013',
-          ],
-        }, {
-          'action': [
-            '--config-variable', 'msvs_version=0',
-          ],
-        }],
-      ],
-    },
-  ],
-}
diff --git a/deps/v8/gypfiles/landmine_utils.py b/deps/v8/gypfiles/landmine_utils.py
deleted file mode 100644
index 8bdc2b648b..0000000000
--- a/deps/v8/gypfiles/landmine_utils.py
+++ /dev/null
@@ -1,123 +0,0 @@
-# Copyright 2014 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-
-import functools
-import logging
-import os
-import shlex
-import sys
-
-
-def memoize(default=None):
-  """This decorator caches the return value of a parameterless pure function"""
-  def memoizer(func):
-    val = []
-    @functools.wraps(func)
-    def inner():
-      if not val:
-        ret = func()
-        val.append(ret if ret is not None else default)
-        if logging.getLogger().isEnabledFor(logging.INFO):
-          print '%s -> %r' % (func.__name__, val[0])
-      return val[0]
-    return inner
-  return memoizer
-
-
-@memoize()
-def IsWindows():
-  return sys.platform in ['win32', 'cygwin']
-
-
-@memoize()
-def IsLinux():
-  return sys.platform.startswith(('linux', 'freebsd'))
-
-
-@memoize()
-def IsMac():
-  return sys.platform == 'darwin'
-
-
-@memoize()
-def gyp_defines():
-  """Parses and returns GYP_DEFINES env var as a dictionary."""
-  return dict(arg.split('=', 1)
-      for arg in shlex.split(os.environ.get('GYP_DEFINES', '')))
-
-
-@memoize()
-def gyp_generator_flags():
-  """Parses and returns GYP_GENERATOR_FLAGS env var as a dictionary."""
-  return dict(arg.split('=', 1)
-      for arg in shlex.split(os.environ.get('GYP_GENERATOR_FLAGS', '')))
-
-
-@memoize()
-def gyp_msvs_version():
-  return os.environ.get('GYP_MSVS_VERSION', '')
-
-
-@memoize()
-def distributor():
-  """
-  Returns a string which is the distributed build engine in use (if any).
-  Possible values: 'goma', 'ib', ''
-  """
-  if 'goma' in gyp_defines():
-    return 'goma'
-  elif IsWindows():
-    if 'CHROME_HEADLESS' in os.environ:
-      return 'ib' # use (win and !goma and headless) as approximation of ib
-
-
-@memoize()
-def platform():
-  """
-  Returns a string representing the platform this build is targeted for.
-  Possible values: 'win', 'mac', 'linux', 'ios', 'android'
-  """
-  if 'OS' in gyp_defines():
-    if 'android' in gyp_defines()['OS']:
-      return 'android'
-    else:
-      return gyp_defines()['OS']
-  elif IsWindows():
-    return 'win'
-  elif IsLinux():
-    return 'linux'
-  else:
-    return 'mac'
-
-
-@memoize()
-def builder():
-  """
-  Returns a string representing the build engine (not compiler) to use.
-  Possible values: 'make', 'ninja', 'xcode', 'msvs', 'scons'
-  """
-  if 'GYP_GENERATORS' in os.environ:
-    # for simplicity, only support the first explicit generator
-    generator = os.environ['GYP_GENERATORS'].split(',')[0]
-    if generator.endswith('-android'):
-      return generator.split('-')[0]
-    elif generator.endswith('-ninja'):
-      return 'ninja'
-    else:
-      return generator
-  else:
-    if platform() == 'android':
-      # Good enough for now? Do any android bots use make?
-      return 'make'
-    elif platform() == 'ios':
-      return 'xcode'
-    elif IsWindows():
-      return 'msvs'
-    elif IsLinux():
-      return 'make'
-    elif IsMac():
-      return 'xcode'
-    else:
-      assert False, 'Don\'t know what builder we\'re using!'
diff --git a/deps/v8/gypfiles/landmines.py b/deps/v8/gypfiles/landmines.py
deleted file mode 100755
index 2a81c66d1a..0000000000
--- a/deps/v8/gypfiles/landmines.py
+++ /dev/null
@@ -1,245 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2014 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""
-This script runs every build as the first hook (See DEPS). If it detects that
-the build should be clobbered, it will delete the contents of the build
-directory.
-
-A landmine is tripped when a builder checks out a different revision, and the
-diff between the new landmines and the old ones is non-null. At this point, the
-build is clobbered.
-"""
-
-import difflib
-import errno
-import gyp_environment
-import logging
-import optparse
-import os
-import re
-import shutil
-import sys
-import subprocess
-import time
-
-import landmine_utils
-
-
-SRC_DIR = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
-
-
-def get_build_dir(build_tool, is_iphone=False):
-  """
-  Returns output directory absolute path dependent on build and targets.
-  Examples:
-    r'c:\b\build\slave\win\build\src\out'
-    '/mnt/data/b/build/slave/linux/build/src/out'
-    '/b/build/slave/ios_rel_device/build/src/xcodebuild'
-
-  Keep this function in sync with tools/build/scripts/slave/compile.py
-  """
-  ret = None
-  if build_tool == 'xcode':
-    ret = os.path.join(SRC_DIR, 'xcodebuild')
-  elif build_tool in ['make', 'ninja', 'ninja-ios']:  # TODO: Remove ninja-ios.
-    if 'CHROMIUM_OUT_DIR' in os.environ:
-      output_dir = os.environ.get('CHROMIUM_OUT_DIR').strip()
-      if not output_dir:
-        raise Error('CHROMIUM_OUT_DIR environment variable is set but blank!')
-    else:
-      output_dir = landmine_utils.gyp_generator_flags().get('output_dir', 'out')
-    ret = os.path.join(SRC_DIR, output_dir)
-  elif build_tool in ['msvs', 'vs', 'ib']:
-    ret = os.path.join(SRC_DIR, 'build')
-  else:
-    raise NotImplementedError('Unexpected GYP_GENERATORS (%s)' % build_tool)
-  return os.path.abspath(ret)
-
-
-def extract_gn_build_commands(build_ninja_file):
-  """Extracts from a build.ninja the commands to run GN.
-
-  The commands to run GN are the gn rule and build.ninja build step at the
-  top of the build.ninja file. We want to keep these when deleting GN builds
-  since we want to preserve the command-line flags to GN.
-
-  On error, returns the empty string."""
-  result = ""
-  with open(build_ninja_file, 'r') as f:
-    # Read until the second blank line. The first thing GN writes to the file
-    # is the "rule gn" and the second is the section for "build build.ninja",
-    # separated by blank lines.
-    num_blank_lines = 0
-    while num_blank_lines < 2:
-      line = f.readline()
-      if len(line) == 0:
-        return ''  # Unexpected EOF.
-      result += line
-      if line[0] == '\n':
-        num_blank_lines = num_blank_lines + 1
-  return result
-
-def delete_build_dir(build_dir):
-  # GN writes a build.ninja.d file. Note that not all GN builds have args.gn.
-  build_ninja_d_file = os.path.join(build_dir, 'build.ninja.d')
-  if not os.path.exists(build_ninja_d_file):
-    shutil.rmtree(build_dir)
-    return
-
-  # GN builds aren't automatically regenerated when you sync. To avoid
-  # messing with the GN workflow, erase everything but the args file, and
-  # write a dummy build.ninja file that will automatically rerun GN the next
-  # time Ninja is run.
-  build_ninja_file = os.path.join(build_dir, 'build.ninja')
-  build_commands = extract_gn_build_commands(build_ninja_file)
-
-  try:
-    gn_args_file = os.path.join(build_dir, 'args.gn')
-    with open(gn_args_file, 'r') as f:
-      args_contents = f.read()
-  except IOError:
-    args_contents = ''
-
-  shutil.rmtree(build_dir)
-
-  # Put back the args file (if any).
-  os.mkdir(build_dir)
-  if args_contents != '':
-    with open(gn_args_file, 'w') as f:
-      f.write(args_contents)
-
-  # Write the build.ninja file sufficiently to regenerate itself.
-  with open(os.path.join(build_dir, 'build.ninja'), 'w') as f:
-    if build_commands != '':
-      f.write(build_commands)
-    else:
-      # Couldn't parse the build.ninja file, write a default thing.
-      f.write('''rule gn
-command = gn -q gen //out/%s/
-description = Regenerating ninja files
-
-build build.ninja: gn
-generator = 1
-depfile = build.ninja.d
-''' % (os.path.split(build_dir)[1]))
-
-  # Write a .d file for the build which references a nonexistant file. This
-  # will make Ninja always mark the build as dirty.
-  with open(build_ninja_d_file, 'w') as f:
-    f.write('build.ninja: nonexistant_file.gn\n')
-
-
-def needs_clobber(landmines_path, new_landmines):
-  if os.path.exists(landmines_path):
-    with open(landmines_path, 'r') as f:
-      old_landmines = f.readlines()
-    if old_landmines != new_landmines:
-      old_date = time.ctime(os.stat(landmines_path).st_ctime)
-      diff = difflib.unified_diff(old_landmines, new_landmines,
-          fromfile='old_landmines', tofile='new_landmines',
-          fromfiledate=old_date, tofiledate=time.ctime(), n=0)
-      sys.stdout.write('Clobbering due to:\n')
-      sys.stdout.writelines(diff)
-      return True
-  else:
-    sys.stdout.write('Clobbering due to missing landmines file.\n')
-    return True
-  return False
-
-
-def clobber_if_necessary(new_landmines):
-  """Does the work of setting, planting, and triggering landmines."""
-  out_dir = get_build_dir(landmine_utils.builder())
-  landmines_path = os.path.normpath(os.path.join(out_dir, '..', '.landmines'))
-  try:
-    os.makedirs(out_dir)
-  except OSError as e:
-    if e.errno == errno.EEXIST:
-      pass
-
-  if needs_clobber(landmines_path, new_landmines):
-    # Clobber contents of build directory but not directory itself: some
-    # checkouts have the build directory mounted.
-    for f in os.listdir(out_dir):
-      path = os.path.join(out_dir, f)
-      if os.path.basename(out_dir) == 'build':
-        # Only delete build directories and files for MSVS builds as the folder
-        # shares some checked out files and directories.
-        if (os.path.isdir(path) and
-            re.search(r'(?:[Rr]elease)|(?:[Dd]ebug)', f)):
-          delete_build_dir(path)
-        elif (os.path.isfile(path) and
-              (path.endswith('.sln') or
-               path.endswith('.vcxproj') or
-               path.endswith('.vcxproj.user'))):
-          os.unlink(path)
-      else:
-        if os.path.isfile(path):
-          os.unlink(path)
-        elif os.path.isdir(path):
-          delete_build_dir(path)
-    if os.path.basename(out_dir) == 'xcodebuild':
-      # Xcodebuild puts an additional project file structure into build,
-      # while the output folder is xcodebuild.
-      project_dir = os.path.join(SRC_DIR, 'build', 'all.xcodeproj')
-      if os.path.exists(project_dir) and os.path.isdir(project_dir):
-        delete_build_dir(project_dir)
-
-  # Save current set of landmines for next time.
-  with open(landmines_path, 'w') as f:
-    f.writelines(new_landmines)
-
-
-def process_options():
-  """Returns a list of landmine emitting scripts."""
-  parser = optparse.OptionParser()
-  parser.add_option(
-      '-s', '--landmine-scripts', action='append',
-      default=[os.path.join(SRC_DIR, 'gypfiles', 'get_landmines.py')],
-      help='Path to the script which emits landmines to stdout. The target '
-           'is passed to this script via option -t. Note that an extra '
-           'script can be specified via an env var EXTRA_LANDMINES_SCRIPT.')
-  parser.add_option('-v', '--verbose', action='store_true',
-      default=('LANDMINES_VERBOSE' in os.environ),
-      help=('Emit some extra debugging information (default off). This option '
-          'is also enabled by the presence of a LANDMINES_VERBOSE environment '
-          'variable.'))
-
-  options, args = parser.parse_args()
-
-  if args:
-    parser.error('Unknown arguments %s' % args)
-
-  logging.basicConfig(
-      level=logging.DEBUG if options.verbose else logging.ERROR)
-
-  extra_script = os.environ.get('EXTRA_LANDMINES_SCRIPT')
-  if extra_script:
-    return options.landmine_scripts + [extra_script]
-  else:
-    return options.landmine_scripts
-
-
-def main():
-  landmine_scripts = process_options()
-
-  if landmine_utils.builder() in ('dump_dependency_json', 'eclipse'):
-    return 0
-
-  gyp_environment.set_environment()
-
-  landmines = []
-  for s in landmine_scripts:
-    proc = subprocess.Popen([sys.executable, s], stdout=subprocess.PIPE)
-    output, _ = proc.communicate()
-    landmines.extend([('%s\n' % l.strip()) for l in output.splitlines()])
-  clobber_if_necessary(landmines)
-
-  return 0
-
-
-if __name__ == '__main__':
-  sys.exit(main())
diff --git a/deps/v8/gypfiles/mkgrokdump.gyp b/deps/v8/gypfiles/mkgrokdump.gyp
new file mode 100644
index 0000000000..75e8fc75cd
--- /dev/null
+++ b/deps/v8/gypfiles/mkgrokdump.gyp
@@ -0,0 +1,27 @@
+# Copyright 2017 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'variables': {
+    'v8_code': 1,
+  },
+  'includes': ['toolchain.gypi', 'features.gypi'],
+  'targets': [
+    {
+      'target_name': 'mkgrokdump',
+      'type': 'executable',
+      'dependencies': [
+        'v8.gyp:v8',
+        'v8.gyp:v8_libbase',
+        'v8.gyp:v8_libplatform',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '../test/mkgrokdump/mkgrokdump.cc',
+      ],
+    },
+  ],
+}
diff --git a/deps/v8/gypfiles/detect_v8_host_arch.py b/deps/v8/gypfiles/parser-shell.gyp
index 89e8286e1f..464e2676ac 100644
--- a/deps/v8/gypfiles/detect_v8_host_arch.py
+++ b/deps/v8/gypfiles/parser-shell.gyp
@@ -1,5 +1,4 @@
-#!/usr/bin/env python
-# Copyright 2014 the V8 project authors. All rights reserved.
+# Copyright 2013 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
@@ -26,52 +25,36 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-"""Outputs host CPU architecture in format recognized by gyp."""
-
-import platform
-import re
-import sys
-
-
-def main():
-  print DoMain([])
-  return 0
-
-def DoMain(_):
-  """Hook to be called from gyp without starting a separate python
-  interpreter."""
-  host_arch = platform.machine()
-  host_system = platform.system();
-
-  # Convert machine type to format recognized by gyp.
-  if re.match(r'i.86', host_arch) or host_arch == 'i86pc':
-    host_arch = 'ia32'
-  elif host_arch in ['x86_64', 'amd64']:
-    host_arch = 'x64'
-  elif host_arch.startswith('arm'):
-    host_arch = 'arm'
-  elif host_arch == 'aarch64':
-    host_arch = 'arm64'
-  elif host_arch == 'mips64':
-    host_arch = 'mips64el'
-  elif host_arch.startswith('mips'):
-    host_arch = 'mipsel'
-
-  # Under AIX the value returned by platform.machine is not
-  # the best indicator of the host architecture
-  # AIX 6.1 which is the lowest level supported only provides
-  # a 64 bit kernel
-  if host_system == 'AIX':
-    host_arch = 'ppc64'
-
-  # platform.machine is based on running kernel. It's possible to use 64-bit
-  # kernel with 32-bit userland, e.g. to give linker slightly more memory.
-  # Distinguish between different userland bitness by querying
-  # the python binary.
-  if host_arch == 'x64' and platform.architecture()[0] == '32bit':
-    host_arch = 'ia32'
-
-  return host_arch
-
-if __name__ == '__main__':
-  sys.exit(main())
+{
+  'variables': {
+    'v8_code': 1,
+    'v8_enable_i18n_support%': 1,
+  },
+  'includes': ['toolchain.gypi', 'features.gypi'],
+  'targets': [
+    {
+      'target_name': 'parser-shell',
+      'type': 'executable',
+      'dependencies': [
+        'v8.gyp:v8',
+        'v8.gyp:v8_libbase',
+        'v8.gyp:v8_libplatform',
+      ],
+      'conditions': [
+        ['v8_enable_i18n_support==1', {
+          'dependencies': [
+            '<(icu_gyp_path):icui18n',
+            '<(icu_gyp_path):icuuc',
+          ],
+        }],
+      ],
+      'include_dirs+': [
+        '..',
+      ],
+      'sources': [
+        '../tools/parser-shell.cc',
+        '../tools/shell-utils.h',
+      ],
+    },
+  ],
+}
diff --git a/deps/v8/gypfiles/run-tests-legacy.py b/deps/v8/gypfiles/run-tests-legacy.py
index f1ea478c62..f1ea478c62 100755..100644
--- a/deps/v8/gypfiles/run-tests-legacy.py
+++ b/deps/v8/gypfiles/run-tests-legacy.py
diff --git a/deps/v8/gypfiles/samples.gyp b/deps/v8/gypfiles/samples.gyp
new file mode 100644
index 0000000000..9080c0d445
--- /dev/null
+++ b/deps/v8/gypfiles/samples.gyp
@@ -0,0 +1,61 @@
+# Copyright 2012 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'variables': {
+    'v8_code': 1,
+    'v8_enable_i18n_support%': 1,
+    'v8_toolset_for_shell%': 'target',
+  },
+  'includes': ['toolchain.gypi', 'features.gypi'],
+  'target_defaults': {
+    'type': 'executable',
+    'dependencies': [
+      'v8.gyp:v8',
+      'v8.gyp:v8_libbase',
+      'v8.gyp:v8_libplatform',
+    ],
+    'include_dirs': [
+      '..',
+    ],
+    'conditions': [
+      ['v8_enable_i18n_support==1', {
+        'dependencies': [
+          '<(icu_gyp_path):icui18n',
+          '<(icu_gyp_path):icuuc',
+        ],
+      }],
+      ['OS=="win" and v8_enable_i18n_support==1', {
+        'dependencies': [
+          '<(icu_gyp_path):icudata',
+        ],
+      }],
+    ],
+  },
+  'targets': [
+    {
+      'target_name': 'v8_shell',
+      'sources': [
+        '../samples/shell.cc',
+      ],
+      'conditions': [
+        [ 'want_separate_host_toolset==1', {
+          'toolsets': [ '<(v8_toolset_for_shell)', ],
+        }],
+      ],
+    },
+    {
+      'target_name': 'hello-world',
+      'sources': [
+        '../samples/hello-world.cc',
+      ],
+    },
+    {
+      'target_name': 'process',
+      'sources': [
+        '../samples/process.cc',
+      ],
+    },
+  ],
+}
diff --git a/deps/v8/gypfiles/sysroot_ld_flags.sh b/deps/v8/gypfiles/sysroot_ld_flags.sh
index 5cc8011b32..5cc8011b32 100755..100644
--- a/deps/v8/gypfiles/sysroot_ld_flags.sh
+++ b/deps/v8/gypfiles/sysroot_ld_flags.sh
diff --git a/deps/v8/gypfiles/toolchain.gypi b/deps/v8/gypfiles/toolchain.gypi
index 80844cecc6..e67a5e22b9 100644
--- a/deps/v8/gypfiles/toolchain.gypi
+++ b/deps/v8/gypfiles/toolchain.gypi
@@ -58,6 +58,9 @@
     # Similar to the ARM hard float ABI but on MIPS.
     'v8_use_mips_abi_hardfloat%': 'true',
 
+    # MIPS MSA support
+    'mips_use_msa%': 0,
+
     # Print to stdout on Android.
     'v8_android_log_stdout%': 0,
 
@@ -439,6 +442,9 @@
                     'cflags': ['-mips32r6'],
                     'ldflags': ['-mips32r6'],
                   }],
+                  ['mips_arch_variant=="r6" and mips_use_msa==1', {
+                    'defines': [ '_MIPS_MSA' ],
+                  }],
                   ['mips_arch_variant=="r2"', {
                     'conditions': [
                       [ 'mips_fpu_mode=="fp64"', {
@@ -507,6 +513,9 @@
                       'FPU_MODE_FP64',
                     ],
                   }],
+                  ['mips_arch_variant=="r6" and mips_use_msa==1', {
+                    'defines': [ '_MIPS_MSA' ],
+                  }],
                   ['mips_arch_variant=="r2"', {
                     'conditions': [
                       [ 'mips_fpu_mode=="fp64"', {
@@ -558,6 +567,9 @@
                   'FPU_MODE_FP64',
                 ],
               }],
+              ['mips_arch_variant=="r6" and mips_use_msa==1', {
+                'defines': [ '_MIPS_MSA' ],
+              }],
               ['mips_arch_variant=="r2"', {
                 'conditions': [
                   ['mips_fpu_mode=="fp64"', {
@@ -640,6 +652,9 @@
                     'cflags': ['-mips32r6'],
                     'ldflags': ['-mips32r6'],
                   }],
+                  ['mips_arch_variant=="r6" and mips_use_msa==1', {
+                    'defines': [ '_MIPS_MSA' ],
+                  }],
                   ['mips_arch_variant=="r2"', {
                     'conditions': [
                       [ 'mips_fpu_mode=="fp64"', {
@@ -721,6 +736,9 @@
                       'FPU_MODE_FP64',
                     ],
                   }],
+                  ['mips_arch_variant=="r6" and mips_use_msa==1', {
+                    'defines': [ '_MIPS_MSA' ],
+                  }],
                   ['mips_arch_variant=="r2"', {
                     'conditions': [
                       [ 'mips_fpu_mode=="fp64"', {
@@ -778,6 +796,9 @@
                   'FPU_MODE_FP64',
                 ],
               }],
+              ['mips_arch_variant=="r6" and mips_use_msa==1', {
+                'defines': [ '_MIPS_MSA' ],
+              }],
               ['mips_arch_variant=="r2"', {
                 'conditions': [
                   ['mips_fpu_mode=="fp64"', {
@@ -877,6 +898,9 @@
                     'cflags': ['-mips64r6', '-mabi=64'],
                     'ldflags': ['-mips64r6', '-mabi=64'],
                   }],
+                  ['mips_arch_variant=="r6" and mips_use_msa==1', {
+                    'defines': [ '_MIPS_MSA' ],
+                  }],
                   ['mips_arch_variant=="r2"', {
                     'defines': ['_MIPS_ARCH_MIPS64R2',],
                     'conditions': [
@@ -895,6 +919,9 @@
                   ['mips_arch_variant=="r6"', {
                     'defines': ['_MIPS_ARCH_MIPS64R6',],
                   }],
+                  ['mips_arch_variant=="r6" and mips_use_msa==1', {
+                    'defines': [ '_MIPS_MSA' ],
+                  }],
                   ['mips_arch_variant=="r2"', {
                     'defines': ['_MIPS_ARCH_MIPS64R2',],
                   }],
@@ -907,6 +934,9 @@
               ['mips_arch_variant=="r6"', {
                 'defines': ['_MIPS_ARCH_MIPS64R6',],
               }],
+              ['mips_arch_variant=="r6" and mips_use_msa==1', {
+                'defines': [ '_MIPS_MSA' ],
+              }],
               ['mips_arch_variant=="r2"', {
                 'defines': ['_MIPS_ARCH_MIPS64R2',],
               }],
@@ -1225,7 +1255,9 @@
           'OBJECT_PRINT',
           'VERIFY_HEAP',
           'DEBUG',
-          'V8_TRACE_MAPS'
+          'V8_TRACE_MAPS',
+          'V8_ENABLE_ALLOCATION_TIMEOUT',
+          'V8_ENABLE_FORCE_SLOW_PATH',
         ],
         'conditions': [
           ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" or \
diff --git a/deps/v8/gypfiles/unittests.gyp b/deps/v8/gypfiles/unittests.gyp
new file mode 100644
index 0000000000..c6d3713b0c
--- /dev/null
+++ b/deps/v8/gypfiles/unittests.gyp
@@ -0,0 +1,287 @@
+# Copyright 2014 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# The sources are kept automatically in sync with BUILD.gn.
+
+{
+  'variables': {
+    'v8_code': 1,
+    'unittests_sources': [
+      '../test/unittests/allocation-unittest.cc',
+      '../test/unittests/api/access-check-unittest.cc',
+      '../test/unittests/api/exception-unittest.cc',
+      '../test/unittests/api/interceptor-unittest.cc',
+      '../test/unittests/api/isolate-unittest.cc',
+      '../test/unittests/api/remote-object-unittest.cc',
+      '../test/unittests/api/v8-object-unittest.cc',
+      '../test/unittests/asmjs/asm-scanner-unittest.cc',
+      '../test/unittests/asmjs/asm-types-unittest.cc',
+      '../test/unittests/asmjs/switch-logic-unittest.cc',
+      '../test/unittests/base/atomic-utils-unittest.cc',
+      '../test/unittests/base/bits-unittest.cc',
+      '../test/unittests/base/cpu-unittest.cc',
+      '../test/unittests/base/division-by-constant-unittest.cc',
+      '../test/unittests/base/flags-unittest.cc',
+      '../test/unittests/base/functional-unittest.cc',
+      '../test/unittests/base/ieee754-unittest.cc',
+      '../test/unittests/base/logging-unittest.cc',
+      '../test/unittests/base/macros-unittest.cc',
+      '../test/unittests/base/iterator-unittest.cc',
+      '../test/unittests/base/ostreams-unittest.cc',
+      '../test/unittests/base/platform/condition-variable-unittest.cc',
+      '../test/unittests/base/platform/mutex-unittest.cc',
+      '../test/unittests/base/platform/platform-unittest.cc',
+      '../test/unittests/base/platform/semaphore-unittest.cc',
+      '../test/unittests/base/platform/time-unittest.cc',
+      '../test/unittests/base/sys-info-unittest.cc',
+      '../test/unittests/base/template-utils-unittest.cc',
+      '../test/unittests/base/utils/random-number-generator-unittest.cc',
+      '../test/unittests/bigint-unittest.cc',
+      '../test/unittests/cancelable-tasks-unittest.cc',
+      '../test/unittests/char-predicates-unittest.cc',
+      "../test/unittests/code-stub-assembler-unittest.cc",
+      "../test/unittests/code-stub-assembler-unittest.h",
+      '../test/unittests/compiler/branch-elimination-unittest.cc',
+      '../test/unittests/compiler/bytecode-analysis-unittest.cc',
+      '../test/unittests/compiler/checkpoint-elimination-unittest.cc',
+      "../test/unittests/compiler/code-assembler-unittest.cc",
+      "../test/unittests/compiler/code-assembler-unittest.h",
+      '../test/unittests/compiler/common-operator-reducer-unittest.cc',
+      '../test/unittests/compiler/common-operator-unittest.cc',
+      '../test/unittests/compiler/compiler-test-utils.h',
+      '../test/unittests/compiler/control-equivalence-unittest.cc',
+      '../test/unittests/compiler/control-flow-optimizer-unittest.cc',
+      '../test/unittests/compiler/dead-code-elimination-unittest.cc',
+      '../test/unittests/compiler/diamond-unittest.cc',
+      '../test/unittests/compiler/effect-control-linearizer-unittest.cc',
+      '../test/unittests/compiler/graph-reducer-unittest.cc',
+      '../test/unittests/compiler/graph-reducer-unittest.h',
+      '../test/unittests/compiler/graph-trimmer-unittest.cc',
+      '../test/unittests/compiler/graph-unittest.cc',
+      '../test/unittests/compiler/graph-unittest.h',
+      '../test/unittests/compiler/instruction-unittest.cc',
+      '../test/unittests/compiler/instruction-selector-unittest.cc',
+      '../test/unittests/compiler/instruction-selector-unittest.h',
+      '../test/unittests/compiler/instruction-sequence-unittest.cc',
+      '../test/unittests/compiler/instruction-sequence-unittest.h',
+      '../test/unittests/compiler/int64-lowering-unittest.cc',
+      '../test/unittests/compiler/js-builtin-reducer-unittest.cc',
+      '../test/unittests/compiler/js-create-lowering-unittest.cc',
+      '../test/unittests/compiler/js-intrinsic-lowering-unittest.cc',
+      '../test/unittests/compiler/js-operator-unittest.cc',
+      '../test/unittests/compiler/js-typed-lowering-unittest.cc',
+      '../test/unittests/compiler/linkage-tail-call-unittest.cc',
+      '../test/unittests/compiler/live-range-builder.h',
+      '../test/unittests/compiler/regalloc/live-range-unittest.cc',
+      '../test/unittests/compiler/load-elimination-unittest.cc',
+      '../test/unittests/compiler/loop-peeling-unittest.cc',
+      '../test/unittests/compiler/machine-operator-reducer-unittest.cc',
+      '../test/unittests/compiler/machine-operator-unittest.cc',
+      '../test/unittests/compiler/regalloc/move-optimizer-unittest.cc',
+      '../test/unittests/compiler/node-cache-unittest.cc',
+      '../test/unittests/compiler/node-matchers-unittest.cc',
+      '../test/unittests/compiler/node-properties-unittest.cc',
+      '../test/unittests/compiler/node-test-utils.cc',
+      '../test/unittests/compiler/node-test-utils.h',
+      '../test/unittests/compiler/node-unittest.cc',
+      '../test/unittests/compiler/opcodes-unittest.cc',
+      '../test/unittests/compiler/persistent-unittest.cc',
+      '../test/unittests/compiler/regalloc/register-allocator-unittest.cc',
+      '../test/unittests/compiler/schedule-unittest.cc',
+      '../test/unittests/compiler/scheduler-unittest.cc',
+      '../test/unittests/compiler/scheduler-rpo-unittest.cc',
+      '../test/unittests/compiler/simplified-lowering-unittest.cc',
+      '../test/unittests/compiler/simplified-operator-reducer-unittest.cc',
+      '../test/unittests/compiler/simplified-operator-unittest.cc',
+      '../test/unittests/compiler/state-values-utils-unittest.cc',
+      '../test/unittests/compiler/typed-optimization-unittest.cc',
+      '../test/unittests/compiler/typer-unittest.cc',
+      '../test/unittests/compiler/value-numbering-reducer-unittest.cc',
+      '../test/unittests/compiler/zone-stats-unittest.cc',
+      '../test/unittests/compiler-dispatcher/compiler-dispatcher-tracer-unittest.cc',
+      '../test/unittests/compiler-dispatcher/compiler-dispatcher-unittest.cc',
+      '../test/unittests/compiler-dispatcher/optimizing-compile-dispatcher-unittest.cc',
+      '../test/unittests/compiler-dispatcher/unoptimized-compile-job-unittest.cc',
+      '../test/unittests/counters-unittest.cc',
+      '../test/unittests/detachable-vector-unittest.cc',
+      '../test/unittests/eh-frame-iterator-unittest.cc',
+      '../test/unittests/eh-frame-writer-unittest.cc',
+      '../test/unittests/heap/barrier-unittest.cc',
+      '../test/unittests/heap/bitmap-unittest.cc',
+      '../test/unittests/heap/embedder-tracing-unittest.cc',
+      '../test/unittests/heap/gc-idle-time-handler-unittest.cc',
+      '../test/unittests/heap/gc-tracer-unittest.cc',
+      '../test/unittests/heap/item-parallel-job-unittest.cc',
+      '../test/unittests/heap/marking-unittest.cc',
+      '../test/unittests/heap/memory-reducer-unittest.cc',
+      '../test/unittests/heap/object-stats-unittest.cc',
+      '../test/unittests/heap/heap-unittest.cc',
+      '../test/unittests/heap/scavenge-job-unittest.cc',
+      '../test/unittests/heap/slot-set-unittest.cc',
+      '../test/unittests/heap/spaces-unittest.cc',
+      '../test/unittests/heap/unmapper-unittest.cc',
+      '../test/unittests/heap/worklist-unittest.cc',
+      '../test/unittests/interpreter/bytecodes-unittest.cc',
+      '../test/unittests/interpreter/bytecode-array-builder-unittest.cc',
+      '../test/unittests/interpreter/bytecode-array-iterator-unittest.cc',
+      '../test/unittests/interpreter/bytecode-array-random-iterator-unittest.cc',
+      '../test/unittests/interpreter/bytecode-array-writer-unittest.cc',
+      '../test/unittests/interpreter/bytecode-decoder-unittest.cc',
+      '../test/unittests/interpreter/bytecode-node-unittest.cc',
+      '../test/unittests/interpreter/bytecode-operands-unittest.cc',
+      '../test/unittests/interpreter/bytecode-register-allocator-unittest.cc',
+      '../test/unittests/interpreter/bytecode-register-optimizer-unittest.cc',
+      '../test/unittests/interpreter/bytecode-source-info-unittest.cc',
+      '../test/unittests/interpreter/bytecode-utils.h',
+      '../test/unittests/interpreter/constant-array-builder-unittest.cc',
+      '../test/unittests/interpreter/interpreter-assembler-unittest.cc',
+      '../test/unittests/interpreter/interpreter-assembler-unittest.h',
+      '../test/unittests/libplatform/default-platform-unittest.cc',
+      '../test/unittests/libplatform/task-queue-unittest.cc',
+      '../test/unittests/libplatform/worker-thread-unittest.cc',
+      '../test/unittests/locked-queue-unittest.cc',
+      '../test/unittests/object-unittest.cc',
+      '../test/unittests/parser/ast-value-unittest.cc',
+      '../test/unittests/parser/preparser-unittest.cc',
+      '../test/unittests/register-configuration-unittest.cc',
+      '../test/unittests/run-all-unittests.cc',
+      '../test/unittests/source-position-table-unittest.cc',
+      '../test/unittests/test-helpers.cc',
+      '../test/unittests/test-helpers.h',
+      '../test/unittests/test-utils.h',
+      '../test/unittests/test-utils.cc',
+      '../test/unittests/unicode-unittest.cc',
+      '../test/unittests/utils-unittest.cc',
+      '../test/unittests/value-serializer-unittest.cc',
+      '../test/unittests/zone/segmentpool-unittest.cc',
+      '../test/unittests/zone/zone-allocator-unittest.cc',
+      '../test/unittests/zone/zone-chunk-list-unittest.cc',
+      '../test/unittests/zone/zone-unittest.cc',
+      '../test/unittests/wasm/control-transfer-unittest.cc',
+      '../test/unittests/wasm/decoder-unittest.cc',
+      '../test/unittests/wasm/function-body-decoder-unittest.cc',
+      '../test/unittests/wasm/wasm-code-manager-unittest.cc',
+      '../test/unittests/wasm/leb-helper-unittest.cc',
+      '../test/unittests/wasm/loop-assignment-analysis-unittest.cc',
+      '../test/unittests/wasm/module-decoder-unittest.cc',
+      '../test/unittests/wasm/streaming-decoder-unittest.cc',
+      '../test/unittests/wasm/trap-handler-unittest.cc',
+      '../test/unittests/wasm/wasm-macro-gen-unittest.cc',
+      '../test/unittests/wasm/wasm-module-builder-unittest.cc',
+      '../test/unittests/wasm/wasm-opcodes-unittest.cc',
+    ],
+    'unittests_sources_arm': [
+      '../test/unittests/compiler/arm/instruction-selector-arm-unittest.cc',
+    ],
+    'unittests_sources_arm64': [
+      '../test/unittests/compiler/arm64/instruction-selector-arm64-unittest.cc',
+    ],
+    'unittests_sources_ia32': [
+      '../test/unittests/compiler/ia32/instruction-selector-ia32-unittest.cc',
+    ],
+    'unittests_sources_mips': [
+      '../test/unittests/compiler/mips/instruction-selector-mips-unittest.cc',
+    ],
+    'unittests_sources_mips64': [
+      '../test/unittests/compiler/mips64/instruction-selector-mips64-unittest.cc',
+    ],
+    'unittests_sources_x64': [
+      '../test/unittests/compiler/x64/instruction-selector-x64-unittest.cc',
+    ],
+    'unittests_sources_ppc': [
+      '../test/unittests/compiler/ppc/instruction-selector-ppc-unittest.cc',
+    ],
+    'unittests_sources_s390': [
+      '../test/unittests/compiler/s390/instruction-selector-s390-unittest.cc',
+    ],
+  },
+  'includes': ['toolchain.gypi', 'features.gypi'],
+  'targets': [
+    {
+      'target_name': 'unittests',
+      'type': 'executable',
+      'variables': {
+        'optimize': 'max',
+      },
+      'dependencies': [
+        'gmock.gyp:gmock',
+        'gtest.gyp:gtest',
+        'v8.gyp:v8',
+        'v8.gyp:v8_libbase',
+        'v8.gyp:v8_libplatform',
+        'v8.gyp:v8_maybe_snapshot',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        '<@(unittests_sources)',
+      ],
+      'conditions': [
+        ['v8_target_arch=="arm"', {
+          'sources': [
+            '<@(unittests_sources_arm)',
+          ],
+        }],
+        ['v8_target_arch=="arm64"', {
+          'sources': [
+            '<@(unittests_sources_arm64)',
+          ],
+        }],
+        ['v8_target_arch=="ia32"', {
+          'sources': [
+            '<@(unittests_sources_ia32)',
+          ],
+        }],
+        ['v8_target_arch=="mips"', {
+          'sources': [
+            '<@(unittests_sources_mips)',
+          ],
+        }],
+        ['v8_target_arch=="mipsel"', {
+          'sources': [
+            '<@(unittests_sources_mips)',
+          ],
+        }],
+        ['v8_target_arch=="mips64"', {
+          'sources': [
+            '<@(unittests_sources_mips64)',
+          ],
+        }],
+        ['v8_target_arch=="mips64el"', {
+          'sources': [
+            '<@(unittests_sources_mips64)',
+          ],
+        }],
+        ['v8_target_arch=="x64"', {
+          'sources': [
+            '<@(unittests_sources_x64)',
+          ],
+        }],
+        ['v8_target_arch=="ppc" or v8_target_arch=="ppc64"', {
+          'sources': [
+            '<@(unittests_sources_ppc)',
+          ],
+        }],
+        ['v8_target_arch=="s390" or v8_target_arch=="s390x"', {
+          'sources': [
+            '<@(unittests_sources_s390)',
+          ],
+        }],
+        ['OS=="aix"', {
+          'ldflags': [ '-Wl,-bbigtoc' ],
+        }],
+        ['v8_enable_i18n_support==1', {
+          'dependencies': [
+            '<(icu_gyp_path):icui18n',
+            '<(icu_gyp_path):icuuc',
+          ],
+        }],
+        ['v8_use_snapshot=="true"', {
+          'dependencies': ['v8.gyp:v8_initializers'],
+        }],
+      ],
+    },
+  ],
+}
diff --git a/deps/v8/gypfiles/v8.gyp b/deps/v8/gypfiles/v8.gyp
new file mode 100644
index 0000000000..433166290a
--- /dev/null
+++ b/deps/v8/gypfiles/v8.gyp
@@ -0,0 +1,2613 @@
+# Copyright 2012 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'variables': {
+    'v8_code': 1,
+    'v8_random_seed%': 314159265,
+    'v8_vector_stores%': 0,
+    'embed_script%': "",
+    'warmup_script%': "",
+    'v8_extra_library_files%': [],
+    'v8_experimental_extra_library_files%': [],
+    'mksnapshot_exec': '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)mksnapshot<(EXECUTABLE_SUFFIX)',
+    'v8_os_page_size%': 0,
+  },
+  'includes': ['toolchain.gypi', 'features.gypi', 'inspector.gypi'],
+  'targets': [
+    {
+      'target_name': 'v8',
+      'dependencies_traverse': 1,
+      'dependencies': ['v8_maybe_snapshot', 'v8_dump_build_config#target'],
+      'conditions': [
+        ['want_separate_host_toolset==1', {
+          'toolsets': ['host', 'target'],
+        }, {
+          'toolsets': ['target'],
+        }],
+        ['component=="shared_library"', {
+          'type': '<(component)',
+          'sources': [
+            # Note: on non-Windows we still build this file so that gyp
+            # has some sources to link into the component.
+            '../src/v8dll-main.cc',
+          ],
+          'include_dirs': [
+            '..',
+          ],
+          'defines': [
+            'BUILDING_V8_SHARED',
+          ],
+          'direct_dependent_settings': {
+            'defines': [
+              'USING_V8_SHARED',
+            ],
+          },
+          'conditions': [
+            ['OS=="mac"', {
+              'xcode_settings': {
+                'OTHER_LDFLAGS': ['-dynamiclib', '-all_load']
+              },
+            }],
+            ['soname_version!=""', {
+              'product_extension': 'so.<(soname_version)',
+            }],
+          ],
+        },
+        {
+          'type': 'none',
+        }],
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          '../include/',
+        ],
+      },
+    },
+    {
+      # This rule delegates to either v8_snapshot, v8_nosnapshot, or
+      # v8_external_snapshot, depending on the current variables.
+      # The intention is to make the 'calling' rules a bit simpler.
+      'target_name': 'v8_maybe_snapshot',
+      'type': 'none',
+      'conditions': [
+        ['v8_use_snapshot!="true"', {
+          # The dependency on v8_base should come from a transitive
+          # dependency however the Android toolchain requires libv8_base.a
+          # to appear before libv8_snapshot.a so it's listed explicitly.
+          'dependencies': ['v8_base', 'v8_init', 'v8_nosnapshot'],
+        }],
+        ['v8_use_snapshot=="true" and v8_use_external_startup_data==0', {
+          # The dependency on v8_base should come from a transitive
+          # dependency however the Android toolchain requires libv8_base.a
+          # to appear before libv8_snapshot.a so it's listed explicitly.
+          'dependencies': ['v8_base', 'v8_snapshot'],
+        }],
+        ['v8_use_snapshot=="true" and v8_use_external_startup_data==1 and want_separate_host_toolset==0', {
+          'dependencies': ['v8_base', 'v8_external_snapshot'],
+          'inputs': [ '<(PRODUCT_DIR)/snapshot_blob.bin', ],
+        }],
+        ['v8_use_snapshot=="true" and v8_use_external_startup_data==1 and want_separate_host_toolset==1', {
+          'dependencies': ['v8_base', 'v8_external_snapshot'],
+          'target_conditions': [
+            ['_toolset=="host"', {
+              'inputs': [
+                '<(PRODUCT_DIR)/snapshot_blob_host.bin',
+              ],
+            }, {
+              'inputs': [
+                '<(PRODUCT_DIR)/snapshot_blob.bin',
+              ],
+            }],
+          ],
+        }],
+        ['want_separate_host_toolset==1', {
+          'toolsets': ['host', 'target'],
+        }, {
+          'toolsets': ['target'],
+        }],
+      ]
+    },
+    {
+      'target_name': 'v8_init',
+      'type': 'static_library',
+      'dependencies': [
+        'v8_initializers',
+      ],
+      'variables': {
+        'optimize': 'max',
+      },
+      'include_dirs+': [
+        '..',
+        '../include/',
+      ],
+      'sources': [
+        '../src/setup-isolate-full.cc',
+      ],
+      'conditions': [
+        ['want_separate_host_toolset==1', {
+          'toolsets': ['host', 'target'],
+        }, {
+          'toolsets': ['target'],
+        }],
+      ],
+    },
+    {
+      'target_name': 'v8_initializers',
+      'type': 'static_library',
+      'dependencies': [
+        'v8_base',
+      ],
+       'variables': {
+        'optimize': 'max',
+      },
+      'include_dirs+': [
+        '..',
+        '../include/',
+      ],
+      'sources': [
+        '../src/builtins/builtins-arguments-gen.cc',
+        '../src/builtins/builtins-arguments-gen.h',
+        '../src/builtins/builtins-array-gen.cc',
+        '../src/builtins/builtins-array-gen.h',
+        '../src/builtins/builtins-async-function-gen.cc',
+        '../src/builtins/builtins-async-gen.cc',
+        '../src/builtins/builtins-async-gen.h',
+        '../src/builtins/builtins-async-generator-gen.cc',
+        '../src/builtins/builtins-async-iterator-gen.cc',
+        '../src/builtins/builtins-boolean-gen.cc',
+        '../src/builtins/builtins-call-gen.cc',
+        '../src/builtins/builtins-call-gen.h',
+        '../src/builtins/builtins-collections-gen.cc',
+        '../src/builtins/builtins-console-gen.cc',
+        '../src/builtins/builtins-constructor-gen.cc',
+        '../src/builtins/builtins-constructor-gen.h',
+        '../src/builtins/builtins-constructor.h',
+        '../src/builtins/builtins-conversion-gen.cc',
+        '../src/builtins/builtins-date-gen.cc',
+        '../src/builtins/builtins-debug-gen.cc',
+        '../src/builtins/builtins-function-gen.cc',
+        '../src/builtins/builtins-generator-gen.cc',
+        '../src/builtins/builtins-global-gen.cc',
+        '../src/builtins/builtins-handler-gen.cc',
+        '../src/builtins/builtins-ic-gen.cc',
+        '../src/builtins/builtins-internal-gen.cc',
+        '../src/builtins/builtins-interpreter-gen.cc',
+        '../src/builtins/builtins-intl-gen.cc',
+        '../src/builtins/builtins-iterator-gen.h',
+        '../src/builtins/builtins-iterator-gen.cc',
+        '../src/builtins/builtins-math-gen.cc',
+        '../src/builtins/builtins-math-gen.h',
+        '../src/builtins/builtins-number-gen.cc',
+        '../src/builtins/builtins-object-gen.cc',
+        '../src/builtins/builtins-promise-gen.cc',
+        '../src/builtins/builtins-promise-gen.h',
+        '../src/builtins/builtins-proxy-gen.cc',
+        '../src/builtins/builtins-proxy-gen.h',
+        '../src/builtins/builtins-reflect-gen.cc',
+        '../src/builtins/builtins-regexp-gen.cc',
+        '../src/builtins/builtins-regexp-gen.h',
+        '../src/builtins/builtins-sharedarraybuffer-gen.cc',
+        '../src/builtins/builtins-string-gen.cc',
+        '../src/builtins/builtins-string-gen.h',
+        '../src/builtins/builtins-symbol-gen.cc',
+        '../src/builtins/builtins-typedarray-gen.cc',
+        '../src/builtins/builtins-typedarray-gen.h',
+        '../src/builtins/builtins-utils-gen.h',
+        '../src/builtins/builtins-wasm-gen.cc',
+        '../src/builtins/growable-fixed-array-gen.cc',
+        '../src/builtins/growable-fixed-array-gen.h',
+        '../src/builtins/setup-builtins-internal.cc',
+        '../src/heap/setup-heap-internal.cc',
+        '../src/ic/accessor-assembler.cc',
+        '../src/ic/accessor-assembler.h',
+        '../src/ic/binary-op-assembler.cc',
+        '../src/ic/binary-op-assembler.h',
+        '../src/ic/keyed-store-generic.cc',
+        '../src/ic/keyed-store-generic.h',
+        '../src/interpreter/interpreter-assembler.cc',
+        '../src/interpreter/interpreter-assembler.h',
+        '../src/interpreter/interpreter-generator.cc',
+        '../src/interpreter/interpreter-generator.h',
+        '../src/interpreter/interpreter-intrinsics-generator.cc',
+        '../src/interpreter/interpreter-intrinsics-generator.h',
+        '../src/interpreter/setup-interpreter-internal.cc',
+        '../src/interpreter/setup-interpreter.h',
+      ],
+      'conditions': [
+        ['want_separate_host_toolset==1', {
+          'toolsets': ['host', 'target'],
+        }, {
+          'toolsets': ['target'],
+        }],
+        ['v8_target_arch=="ia32"', {
+          'sources': [
+            '../src/builtins/ia32/builtins-ia32.cc',
+          ],
+        }],
+        ['v8_target_arch=="x64"', {
+          'sources': [
+            '../src/builtins/x64/builtins-x64.cc',
+          ],
+        }],
+        ['v8_target_arch=="arm"', {
+          'sources': [
+            '../src/builtins/arm/builtins-arm.cc',
+          ],
+        }],
+        ['v8_target_arch=="arm64"', {
+          'sources': [
+            '../src/builtins/arm64/builtins-arm64.cc',
+          ],
+        }],
+        ['v8_target_arch=="mips" or v8_target_arch=="mipsel"', {
+          'sources': [
+            '../src/builtins/mips/builtins-mips.cc',
+          ],
+        }],
+        ['v8_target_arch=="mips64" or v8_target_arch=="mips64el"', {
+          'sources': [
+            '../src/builtins/mips64/builtins-mips64.cc',
+          ],
+        }],
+        ['v8_target_arch=="ppc" or v8_target_arch=="ppc64"', {
+          'sources': [
+            '../src/builtins/ppc/builtins-ppc.cc',
+          ],
+        }],
+        ['v8_target_arch=="s390" or v8_target_arch=="s390x"', {
+          'sources': [
+            '../src/builtins/s390/builtins-s390.cc',
+          ],
+        }],
+        ['v8_enable_i18n_support==0', {
+          'sources!': [
+            '../src/builtins/builtins-intl-gen.cc',
+          ],
+        }],
+      ],
+    },
+    {
+      'target_name': 'v8_snapshot',
+      'type': 'static_library',
+      'conditions': [
+        ['want_separate_host_toolset==1', {
+          'toolsets': ['host', 'target'],
+          'dependencies': [
+            'mksnapshot#host',
+            'js2c#host',
+          ],
+        }, {
+          'toolsets': ['target'],
+          'dependencies': [
+            'mksnapshot',
+            'js2c',
+          ],
+        }],
+        ['component=="shared_library"', {
+          'defines': [
+            'BUILDING_V8_SHARED',
+          ],
+          'direct_dependent_settings': {
+            'defines': [
+              'USING_V8_SHARED',
+            ],
+          },
+        }],
+      ],
+      'dependencies': [
+        'v8_base',
+      ],
+      'include_dirs+': [
+        '..',
+        '<(DEPTH)',
+      ],
+      'sources': [
+        '<(SHARED_INTERMEDIATE_DIR)/libraries.cc',
+        '<(SHARED_INTERMEDIATE_DIR)/extras-libraries.cc',
+        '<(SHARED_INTERMEDIATE_DIR)/experimental-extras-libraries.cc',
+        '<(INTERMEDIATE_DIR)/snapshot.cc',
+        '../src/setup-isolate-deserialize.cc',
+      ],
+      'actions': [
+        {
+          'action_name': 'run_mksnapshot',
+          'inputs': [
+            '<(mksnapshot_exec)',
+          ],
+          'conditions': [
+            ['embed_script!=""', {
+              'inputs': [
+                '<(embed_script)',
+              ],
+            }],
+            ['warmup_script!=""', {
+              'inputs': [
+                '<(warmup_script)',
+              ],
+            }],
+          ],
+          'outputs': [
+            '<(INTERMEDIATE_DIR)/snapshot.cc',
+          ],
+          'variables': {
+            'mksnapshot_flags': [],
+            'conditions': [
+              ['v8_random_seed!=0', {
+                'mksnapshot_flags': ['--random-seed', '<(v8_random_seed)'],
+              }],
+              ['v8_vector_stores!=0', {
+                'mksnapshot_flags': ['--vector-stores'],
+              }],
+            ],
+          },
+          'action': [
+            '<(mksnapshot_exec)',
+            '<@(mksnapshot_flags)',
+            '--startup_src', '<@(INTERMEDIATE_DIR)/snapshot.cc',
+            '<(embed_script)',
+            '<(warmup_script)',
+          ],
+        },
+      ],
+    },
+    {
+      'target_name': 'v8_nosnapshot',
+      'type': 'static_library',
+      'dependencies': [
+        'v8_base',
+      ],
+      'include_dirs+': [
+        '..',
+        '<(DEPTH)',
+      ],
+      'sources': [
+        '<(SHARED_INTERMEDIATE_DIR)/libraries.cc',
+        '<(SHARED_INTERMEDIATE_DIR)/extras-libraries.cc',
+        '<(SHARED_INTERMEDIATE_DIR)/experimental-extras-libraries.cc',
+        '../src/snapshot/snapshot-empty.cc',
+      ],
+      'conditions': [
+        ['want_separate_host_toolset==1', {
+          'toolsets': ['host', 'target'],
+          'dependencies': ['js2c#host'],
+        }, {
+          'toolsets': ['target'],
+          'dependencies': ['js2c'],
+        }],
+        ['component=="shared_library"', {
+          'defines': [
+            'BUILDING_V8_SHARED',
+          ],
+        }],
+      ]
+    },
+    {
+      'target_name': 'v8_external_snapshot',
+      'type': 'static_library',
+      'conditions': [
+        [ 'v8_use_external_startup_data==1', {
+          'conditions': [
+            ['want_separate_host_toolset==1', {
+              'toolsets': ['host', 'target'],
+              'dependencies': [
+                'mksnapshot#host',
+                'js2c#host',
+                'natives_blob',
+            ]}, {
+              'toolsets': ['target'],
+              'dependencies': [
+                'mksnapshot',
+                'js2c',
+                'natives_blob',
+              ],
+            }],
+            ['component=="shared_library"', {
+              'defines': [
+                'BUILDING_V8_SHARED',
+              ],
+              'direct_dependent_settings': {
+                'defines': [
+                  'USING_V8_SHARED',
+                ],
+              },
+            }],
+          ],
+          'dependencies': [
+            'v8_base',
+          ],
+          'include_dirs+': [
+            '..',
+            '<(DEPTH)',
+          ],
+          'sources': [
+            '../src/setup-isolate-deserialize.cc',
+            '../src/snapshot/natives-external.cc',
+            '../src/snapshot/snapshot-external.cc',
+          ],
+          'actions': [
+            {
+              'action_name': 'run_mksnapshot (external)',
+              'inputs': [
+                '<(mksnapshot_exec)',
+              ],
+              'variables': {
+                'mksnapshot_flags': [],
+                'conditions': [
+                  ['v8_random_seed!=0', {
+                    'mksnapshot_flags': ['--random-seed', '<(v8_random_seed)'],
+                  }],
+                  ['v8_vector_stores!=0', {
+                    'mksnapshot_flags': ['--vector-stores'],
+                  }],
+                  ['v8_os_page_size!=0', {
+                    'mksnapshot_flags': ['--v8_os_page_size', '<(v8_os_page_size)'],
+                  }],
+                ],
+              },
+              'conditions': [
+                ['embed_script!=""', {
+                  'inputs': [
+                    '<(embed_script)',
+                  ],
+                }],
+                ['warmup_script!=""', {
+                  'inputs': [
+                    '<(warmup_script)',
+                  ],
+                }],
+                ['want_separate_host_toolset==1', {
+                  'target_conditions': [
+                    ['_toolset=="host"', {
+                      'outputs': [
+                        '<(PRODUCT_DIR)/snapshot_blob_host.bin',
+                      ],
+                      'action': [
+                        '<(mksnapshot_exec)',
+                        '<@(mksnapshot_flags)',
+                        '--startup_blob', '<(PRODUCT_DIR)/snapshot_blob_host.bin',
+                        '<(embed_script)',
+                        '<(warmup_script)',
+                      ],
+                    }, {
+                      'outputs': [
+                        '<(PRODUCT_DIR)/snapshot_blob.bin',
+                      ],
+                      'action': [
+                        '<(mksnapshot_exec)',
+                        '<@(mksnapshot_flags)',
+                        '--startup_blob', '<(PRODUCT_DIR)/snapshot_blob.bin',
+                        '<(embed_script)',
+                        '<(warmup_script)',
+                      ],
+                    }],
+                  ],
+                }, {
+                  'outputs': [
+                    '<(PRODUCT_DIR)/snapshot_blob.bin',
+                  ],
+                  'action': [
+                    '<(mksnapshot_exec)',
+                    '<@(mksnapshot_flags)',
+                    '--startup_blob', '<(PRODUCT_DIR)/snapshot_blob.bin',
+                    '<(embed_script)',
+                    '<(warmup_script)',
+                  ],
+                }],
+              ],
+            },
+          ],
+        }],
+      ],
+    },
+    {
+      'target_name': 'v8_base',
+      'type': 'static_library',
+      'dependencies': [
+        'v8_libbase',
+        'v8_libsampler',
+        'inspector.gyp:protocol_generated_sources#target',
+        'inspector.gyp:inspector_injected_script#target',
+      ],
+      'objs': ['foo.o'],
+      'variables': {
+        'optimize': 'max',
+      },
+      'include_dirs+': [
+        '..',
+        '<(DEPTH)',
+        '<(SHARED_INTERMEDIATE_DIR)'
+      ],
+      'sources': [
+        '<@(inspector_all_sources)',
+        '../include//v8-debug.h',
+        '../include//v8-platform.h',
+        '../include//v8-profiler.h',
+        '../include//v8-testing.h',
+        '../include//v8-util.h',
+        '../include//v8-value-serializer-version.h',
+        '../include//v8-version-string.h',
+        '../include//v8-version.h',
+        '../include//v8.h',
+        '../include//v8config.h',
+        '../src/accessors.cc',
+        '../src/accessors.h',
+        '../src/address-map.cc',
+        '../src/address-map.h',
+        '../src/allocation.cc',
+        '../src/allocation.h',
+        '../src/allocation-site-scopes.h',
+        '../src/api.cc',
+        '../src/api.h',
+        '../src/api-arguments-inl.h',
+        '../src/api-arguments.cc',
+        '../src/api-arguments.h',
+        '../src/api-natives.cc',
+        '../src/api-natives.h',
+        '../src/arguments.cc',
+        '../src/arguments.h',
+        '../src/asmjs/asm-js.cc',
+        '../src/asmjs/asm-js.h',
+        '../src/asmjs/asm-names.h',
+        '../src/asmjs/asm-parser.cc',
+        '../src/asmjs/asm-parser.h',
+        '../src/asmjs/asm-scanner.cc',
+        '../src/asmjs/asm-scanner.h',
+        '../src/asmjs/asm-types.cc',
+        '../src/asmjs/asm-types.h',
+        '../src/asmjs/switch-logic.h',
+        '../src/asmjs/switch-logic.cc',
+        '../src/assembler.cc',
+        '../src/assembler.h',
+        '../src/assembler-inl.h',
+        '../src/assert-scope.h',
+        '../src/assert-scope.cc',
+        '../src/ast/ast-function-literal-id-reindexer.cc',
+        '../src/ast/ast-function-literal-id-reindexer.h',
+        '../src/ast/ast-source-ranges.h',
+        '../src/ast/ast-traversal-visitor.h',
+        '../src/ast/ast-value-factory.cc',
+        '../src/ast/ast-value-factory.h',
+        '../src/ast/ast.cc',
+        '../src/ast/ast.h',
+        '../src/ast/compile-time-value.cc',
+        '../src/ast/compile-time-value.h',
+        '../src/ast/context-slot-cache.cc',
+        '../src/ast/context-slot-cache.h',
+        '../src/ast/modules.cc',
+        '../src/ast/modules.h',
+        '../src/ast/prettyprinter.cc',
+        '../src/ast/prettyprinter.h',
+        '../src/ast/scopes.cc',
+        '../src/ast/scopes.h',
+        '../src/ast/variables.cc',
+        '../src/ast/variables.h',
+        '../src/bailout-reason.cc',
+        '../src/bailout-reason.h',
+        '../src/basic-block-profiler.cc',
+        '../src/basic-block-profiler.h',
+        '../src/bignum-dtoa.cc',
+        '../src/bignum-dtoa.h',
+        '../src/bignum.cc',
+        '../src/bignum.h',
+        '../src/bit-vector.cc',
+        '../src/bit-vector.h',
+        '../src/bootstrapper.cc',
+        '../src/bootstrapper.h',
+        '../src/boxed-float.h',
+        '../src/builtins/builtins-api.cc',
+        '../src/builtins/builtins-arraybuffer.cc',
+        '../src/builtins/builtins-array.cc',
+        '../src/builtins/builtins-bigint.cc',
+        '../src/builtins/builtins-boolean.cc',
+        '../src/builtins/builtins-call.cc',
+        '../src/builtins/builtins-callsite.cc',
+        '../src/builtins/builtins-collections.cc',
+        '../src/builtins/builtins-console.cc',
+        '../src/builtins/builtins-constructor.h',
+        '../src/builtins/builtins-dataview.cc',
+        '../src/builtins/builtins-date.cc',
+        '../src/builtins/builtins-definitions.h',
+        '../src/builtins/builtins-descriptors.h',
+        '../src/builtins/builtins-error.cc',
+        '../src/builtins/builtins-function.cc',
+        '../src/builtins/builtins-global.cc',
+        '../src/builtins/builtins-internal.cc',
+        '../src/builtins/builtins-interpreter.cc',
+        '../src/builtins/builtins-json.cc',
+        '../src/builtins/builtins-math.cc',
+        '../src/builtins/builtins-number.cc',
+        '../src/builtins/builtins-object.cc',
+        '../src/builtins/builtins-promise.cc',
+        '../src/builtins/builtins-reflect.cc',
+        '../src/builtins/builtins-regexp.cc',
+        '../src/builtins/builtins-sharedarraybuffer.cc',
+        '../src/builtins/builtins-string.cc',
+        '../src/builtins/builtins-intl.cc',
+        '../src/builtins/builtins-intl.h',
+        '../src/builtins/builtins-symbol.cc',
+        '../src/builtins/builtins-typedarray.cc',
+        '../src/builtins/builtins-utils.h',
+        '../src/builtins/builtins.cc',
+        '../src/builtins/builtins.h',
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+        '../src/log-inl.h',
+        '../src/log-utils.cc',
+        '../src/log-utils.h',
+        '../src/log.cc',
+        '../src/log.h',
+        '../src/lookup-cache-inl.h',
+        '../src/lookup-cache.cc',
+        '../src/lookup-cache.h',
+        '../src/lookup.cc',
+        '../src/lookup.h',
+        '../src/map-updater.cc',
+        '../src/map-updater.h',
+        '../src/macro-assembler-inl.h',
+        '../src/macro-assembler.h',
+        '../src/machine-type.cc',
+        '../src/machine-type.h',
+        '../src/managed.h',
+        '../src/messages.cc',
+        '../src/messages.h',
+        '../src/msan.h',
+        '../src/objects-body-descriptors-inl.h',
+        '../src/objects-body-descriptors.h',
+        '../src/objects-debug.cc',
+        '../src/objects-inl.h',
+        '../src/objects-printer.cc',
+        '../src/objects.cc',
+        '../src/objects.h',
+        '../src/objects/arguments-inl.h',
+        '../src/objects/arguments.h',
+        '../src/objects/bigint.cc',
+        '../src/objects/bigint.h',
+        '../src/objects/code-inl.h',
+        '../src/objects/code.h',
+        '../src/objects/compilation-cache.h',
+        '../src/objects/compilation-cache-inl.h',
+        '../src/objects/data-handler.h',
+        '../src/objects/data-handler-inl.h',
+        '../src/objects/debug-objects-inl.h',
+        '../src/objects/debug-objects.cc',
+        '../src/objects/debug-objects.h',
+        '../src/objects/descriptor-array.h',
+        '../src/objects/dictionary.h',
+        '../src/objects/fixed-array.h',
+        '../src/objects/fixed-array-inl.h',
+        '../src/objects/frame-array.h',
+        '../src/objects/frame-array-inl.h',
+        '../src/objects/hash-table-inl.h',
+        '../src/objects/hash-table.h',
+        '../src/objects/intl-objects.cc',
+        '../src/objects/intl-objects.h',
+        '../src/objects/js-array.h',
+        '../src/objects/js-array-inl.h',
+        '../src/objects/js-collection.h',
+        '../src/objects/js-collection-inl.h',
+        '../src/objects/js-regexp.h',
+        '../src/objects/js-regexp-inl.h',
+        '../src/objects/literal-objects.cc',
+        '../src/objects/literal-objects-inl.h',
+        '../src/objects/literal-objects.h',
+        '../src/objects/map-inl.h',
+        '../src/objects/map.h',
+        '../src/objects/name-inl.h',
+        '../src/objects/name.h',
+        '../src/objects/module-inl.h',
+        '../src/objects/module.cc',
+        '../src/objects/module.h',
+        '../src/objects/object-macros.h',
+        '../src/objects/object-macros-undef.h',
+        '../src/objects/property-descriptor-object.h',
+        '../src/objects/property-descriptor-object-inl.h',
+        '../src/objects/regexp-match-info.h',
+        '../src/objects/scope-info.cc',
+        '../src/objects/scope-info.h',
+        '../src/objects/script.h',
+        '../src/objects/script-inl.h',
+        '../src/objects/shared-function-info-inl.h',
+        '../src/objects/shared-function-info.h',
+        '../src/objects/string-inl.h',
+        '../src/objects/string.h',
+        '../src/objects/string-table.h',
+        '../src/objects/template-objects.cc',
+        '../src/objects/template-objects.h',
+        '../src/ostreams.cc',
+        '../src/ostreams.h',
+        '../src/parsing/background-parsing-task.cc',
+        '../src/parsing/background-parsing-task.h',
+        '../src/parsing/duplicate-finder.h',
+        '../src/parsing/expression-classifier.h',
+        '../src/parsing/expression-scope-reparenter.cc',
+        '../src/parsing/expression-scope-reparenter.h',
+        '../src/parsing/func-name-inferrer.cc',
+        '../src/parsing/func-name-inferrer.h',
+        '../src/parsing/parse-info.cc',
+        '../src/parsing/parse-info.h',
+        '../src/parsing/parser-base.h',
+        '../src/parsing/parser.cc',
+        '../src/parsing/parser.h',
+        '../src/parsing/parsing.cc',
+        '../src/parsing/parsing.h',
+        '../src/parsing/pattern-rewriter.cc',
+        '../src/parsing/preparse-data-format.h',
+        '../src/parsing/preparse-data.cc',
+        '../src/parsing/preparse-data.h',
+        '../src/parsing/preparsed-scope-data.cc',
+        '../src/parsing/preparsed-scope-data.h',
+        '../src/parsing/preparser.cc',
+        '../src/parsing/preparser.h',
+        '../src/parsing/rewriter.cc',
+        '../src/parsing/rewriter.h',
+        '../src/parsing/scanner-character-streams.cc',
+        '../src/parsing/scanner-character-streams.h',
+        '../src/parsing/scanner.cc',
+        '../src/parsing/scanner.h',
+        '../src/parsing/token.cc',
+        '../src/parsing/token.h',
+        '../src/pending-compilation-error-handler.cc',
+        '../src/pending-compilation-error-handler.h',
+        '../src/perf-jit.cc',
+        '../src/perf-jit.h',
+        '../src/profiler/allocation-tracker.cc',
+        '../src/profiler/allocation-tracker.h',
+        '../src/profiler/circular-queue-inl.h',
+        '../src/profiler/circular-queue.h',
+        '../src/profiler/cpu-profiler-inl.h',
+        '../src/profiler/cpu-profiler.cc',
+        '../src/profiler/cpu-profiler.h',
+        '../src/profiler/heap-profiler.cc',
+        '../src/profiler/heap-profiler.h',
+        '../src/profiler/heap-snapshot-generator-inl.h',
+        '../src/profiler/heap-snapshot-generator.cc',
+        '../src/profiler/heap-snapshot-generator.h',
+        '../src/profiler/profiler-listener.cc',
+        '../src/profiler/profiler-listener.h',
+        '../src/profiler/profile-generator-inl.h',
+        '../src/profiler/profile-generator.cc',
+        '../src/profiler/profile-generator.h',
+        '../src/profiler/sampling-heap-profiler.cc',
+        '../src/profiler/sampling-heap-profiler.h',
+        '../src/profiler/strings-storage.cc',
+        '../src/profiler/strings-storage.h',
+        '../src/profiler/tick-sample.cc',
+        '../src/profiler/tick-sample.h',
+        '../src/profiler/tracing-cpu-profiler.cc',
+        '../src/profiler/tracing-cpu-profiler.h',
+        '../src/profiler/unbound-queue-inl.h',
+        '../src/profiler/unbound-queue.h',
+        '../src/property-descriptor.cc',
+        '../src/property-descriptor.h',
+        '../src/property-details.h',
+        '../src/property.cc',
+        '../src/property.h',
+        '../src/prototype.h',
+        '../src/regexp/bytecodes-irregexp.h',
+        '../src/regexp/interpreter-irregexp.cc',
+        '../src/regexp/interpreter-irregexp.h',
+        '../src/regexp/jsregexp-inl.h',
+        '../src/regexp/jsregexp.cc',
+        '../src/regexp/jsregexp.h',
+        '../src/regexp/regexp-ast.cc',
+        '../src/regexp/regexp-ast.h',
+        '../src/regexp/regexp-macro-assembler-irregexp-inl.h',
+        '../src/regexp/regexp-macro-assembler-irregexp.cc',
+        '../src/regexp/regexp-macro-assembler-irregexp.h',
+        '../src/regexp/regexp-macro-assembler-tracer.cc',
+        '../src/regexp/regexp-macro-assembler-tracer.h',
+        '../src/regexp/regexp-macro-assembler.cc',
+        '../src/regexp/regexp-macro-assembler.h',
+        '../src/regexp/regexp-parser.cc',
+        '../src/regexp/regexp-parser.h',
+        '../src/regexp/regexp-stack.cc',
+        '../src/regexp/regexp-stack.h',
+        '../src/regexp/regexp-utils.cc',
+        '../src/regexp/regexp-utils.h',
+        '../src/register-configuration.cc',
+        '../src/register-configuration.h',
+        '../src/reglist.h',
+        '../src/runtime-profiler.cc',
+        '../src/runtime-profiler.h',
+        '../src/runtime/runtime-array.cc',
+        '../src/runtime/runtime-atomics.cc',
+        '../src/runtime/runtime-bigint.cc',
+        '../src/runtime/runtime-classes.cc',
+        '../src/runtime/runtime-collections.cc',
+        '../src/runtime/runtime-compiler.cc',
+        '../src/runtime/runtime-date.cc',
+        '../src/runtime/runtime-debug.cc',
+        '../src/runtime/runtime-forin.cc',
+        '../src/runtime/runtime-function.cc',
+        '../src/runtime/runtime-error.cc',
+        '../src/runtime/runtime-futex.cc',
+        '../src/runtime/runtime-generator.cc',
+        '../src/runtime/runtime-intl.cc',
+        '../src/runtime/runtime-internal.cc',
+        '../src/runtime/runtime-interpreter.cc',
+        '../src/runtime/runtime-literals.cc',
+        '../src/runtime/runtime-liveedit.cc',
+        '../src/runtime/runtime-maths.cc',
+        '../src/runtime/runtime-module.cc',
+        '../src/runtime/runtime-numbers.cc',
+        '../src/runtime/runtime-object.cc',
+        '../src/runtime/runtime-operators.cc',
+        '../src/runtime/runtime-promise.cc',
+        '../src/runtime/runtime-proxy.cc',
+        '../src/runtime/runtime-regexp.cc',
+        '../src/runtime/runtime-scopes.cc',
+        '../src/runtime/runtime-strings.cc',
+        '../src/runtime/runtime-symbol.cc',
+        '../src/runtime/runtime-test.cc',
+        '../src/runtime/runtime-typedarray.cc',
+        '../src/runtime/runtime-utils.h',
+        '../src/runtime/runtime-wasm.cc',
+        '../src/runtime/runtime.cc',
+        '../src/runtime/runtime.h',
+        '../src/safepoint-table.cc',
+        '../src/safepoint-table.h',
+        '../src/setup-isolate.h',
+        '../src/signature.h',
+        '../src/simulator-base.cc',
+        '../src/simulator-base.h',
+        '../src/simulator.h',
+        '../src/snapshot/builtin-deserializer-allocator.cc',
+        '../src/snapshot/builtin-deserializer-allocator.h',
+        '../src/snapshot/builtin-deserializer.cc',
+        '../src/snapshot/builtin-deserializer.h',
+        '../src/snapshot/builtin-serializer-allocator.cc',
+        '../src/snapshot/builtin-serializer-allocator.h',
+        '../src/snapshot/builtin-serializer.cc',
+        '../src/snapshot/builtin-serializer.h',
+        '../src/snapshot/builtin-snapshot-utils.cc',
+        '../src/snapshot/builtin-snapshot-utils.h',
+        '../src/snapshot/code-serializer.cc',
+        '../src/snapshot/code-serializer.h',
+        '../src/snapshot/default-deserializer-allocator.cc',
+        '../src/snapshot/default-deserializer-allocator.h',
+        '../src/snapshot/default-serializer-allocator.cc',
+        '../src/snapshot/default-serializer-allocator.h',
+        '../src/snapshot/deserializer.cc',
+        '../src/snapshot/deserializer.h',
+        '../src/snapshot/natives-common.cc',
+        '../src/snapshot/natives.h',
+        '../src/snapshot/object-deserializer.cc',
+        '../src/snapshot/object-deserializer.h',
+        '../src/snapshot/partial-deserializer.cc',
+        '../src/snapshot/partial-deserializer.h',
+        '../src/snapshot/partial-serializer.cc',
+        '../src/snapshot/partial-serializer.h',
+        '../src/snapshot/serializer.cc',
+        '../src/snapshot/serializer-common.cc',
+        '../src/snapshot/serializer-common.h',
+        '../src/snapshot/serializer.h',
+        '../src/snapshot/snapshot-common.cc',
+        '../src/snapshot/snapshot.h',
+        '../src/snapshot/snapshot-source-sink.cc',
+        '../src/snapshot/snapshot-source-sink.h',
+        '../src/snapshot/startup-deserializer.cc',
+        '../src/snapshot/startup-deserializer.h',
+        '../src/snapshot/startup-serializer.cc',
+        '../src/snapshot/startup-serializer.h',
+        '../src/source-position-table.cc',
+        '../src/source-position-table.h',
+        '../src/source-position.cc',
+        '../src/source-position.h',
+        '../src/splay-tree.h',
+        '../src/splay-tree-inl.h',
+        '../src/startup-data-util.cc',
+        '../src/startup-data-util.h',
+        '../src/string-builder.cc',
+        '../src/string-builder.h',
+        '../src/string-case.cc',
+        '../src/string-case.h',
+        '../src/string-hasher-inl.h',
+        '../src/string-hasher.h',
+        '../src/string-search.h',
+        '../src/string-stream.cc',
+        '../src/string-stream.h',
+        '../src/strtod.cc',
+        '../src/strtod.h',
+        '../src/ic/stub-cache.cc',
+        '../src/ic/stub-cache.h',
+        '../src/third_party/utf8-decoder/utf8-decoder.h',
+        '../src/tracing/trace-event.cc',
+        '../src/tracing/trace-event.h',
+        '../src/tracing/traced-value.cc',
+        '../src/tracing/traced-value.h',
+        '../src/tracing/tracing-category-observer.cc',
+        '../src/tracing/tracing-category-observer.h',
+        '../src/transitions-inl.h',
+        '../src/transitions.cc',
+        '../src/transitions.h',
+        '../src/trap-handler/handler-outside.cc',
+        '../src/trap-handler/handler-shared.cc',
+        '../src/trap-handler/trap-handler.h',
+        '../src/trap-handler/trap-handler-internal.h',
+        '../src/type-hints.cc',
+        '../src/type-hints.h',
+        '../src/unicode-inl.h',
+        '../src/unicode.cc',
+        '../src/unicode.h',
+        '../src/unicode-cache-inl.h',
+        '../src/unicode-cache.h',
+        '../src/unicode-decoder.cc',
+        '../src/unicode-decoder.h',
+        '../src/uri.cc',
+        '../src/uri.h',
+        '../src/utils-inl.h',
+        '../src/utils.cc',
+        '../src/utils.h',
+        '../src/v8.cc',
+        '../src/v8.h',
+        '../src/v8memory.h',
+        '../src/v8threads.cc',
+        '../src/v8threads.h',
+        '../src/value-serializer.cc',
+        '../src/value-serializer.h',
+        '../src/vector-slot-pair.cc',
+        '../src/vector-slot-pair.h',
+        '../src/vector.h',
+        '../src/version.cc',
+        '../src/version.h',
+        '../src/visitors.cc',
+        '../src/visitors.h',
+        '../src/vm-state-inl.h',
+        '../src/vm-state.h',
+        '../src/wasm/baseline/liftoff-assembler-defs.h',
+        '../src/wasm/baseline/liftoff-assembler.cc',
+        '../src/wasm/baseline/liftoff-assembler.h',
+        '../src/wasm/baseline/liftoff-compiler.cc',
+        '../src/wasm/baseline/liftoff-register.h',
+        '../src/wasm/compilation-manager.cc',
+        '../src/wasm/compilation-manager.h',
+        '../src/wasm/decoder.h',
+        '../src/wasm/function-body-decoder.cc',
+        '../src/wasm/function-body-decoder.h',
+        '../src/wasm/function-body-decoder-impl.h',
+        '../src/wasm/leb-helper.h',
+        '../src/wasm/local-decl-encoder.cc',
+        '../src/wasm/local-decl-encoder.h',
+        '../src/wasm/memory-tracing.cc',
+        '../src/wasm/memory-tracing.h',
+        '../src/wasm/module-compiler.cc',
+        '../src/wasm/module-compiler.h',
+        '../src/wasm/module-decoder.cc',
+        '../src/wasm/module-decoder.h',
+        '../src/wasm/signature-map.cc',
+        '../src/wasm/signature-map.h',
+        '../src/wasm/streaming-decoder.cc',
+        '../src/wasm/streaming-decoder.h',
+        '../src/wasm/wasm-code-manager.cc',
+        '../src/wasm/wasm-code-manager.h',
+        '../src/wasm/wasm-code-specialization.cc',
+        '../src/wasm/wasm-code-specialization.h',
+        '../src/wasm/wasm-code-wrapper.cc',
+        '../src/wasm/wasm-code-wrapper.h',
+        '../src/wasm/wasm-constants.h',
+        '../src/wasm/wasm-debug.cc',
+        '../src/wasm/wasm-engine.cc',
+        '../src/wasm/wasm-engine.h',
+        '../src/wasm/wasm-external-refs.cc',
+        '../src/wasm/wasm-external-refs.h',
+        '../src/wasm/wasm-js.cc',
+        '../src/wasm/wasm-js.h',
+        '../src/wasm/wasm-limits.h',
+        '../src/wasm/wasm-memory.cc',
+        '../src/wasm/wasm-memory.h',
+        '../src/wasm/wasm-module.cc',
+        '../src/wasm/wasm-module.h',
+        '../src/wasm/wasm-module-builder.cc',
+        '../src/wasm/wasm-module-builder.h',
+        '../src/wasm/wasm-interpreter.cc',
+        '../src/wasm/wasm-interpreter.h',
+        '../src/wasm/wasm-objects-inl.h',
+        '../src/wasm/wasm-objects.cc',
+        '../src/wasm/wasm-objects.h',
+        '../src/wasm/wasm-opcodes.cc',
+        '../src/wasm/wasm-opcodes.h',
+        '../src/wasm/wasm-result.cc',
+        '../src/wasm/wasm-result.h',
+        '../src/wasm/wasm-serialization.cc',
+        '../src/wasm/wasm-serialization.h',
+        '../src/wasm/wasm-text.cc',
+        '../src/wasm/wasm-text.h',
+        '../src/wasm/wasm-value.h',
+        '../src/zone/accounting-allocator.cc',
+        '../src/zone/accounting-allocator.h',
+        '../src/zone/zone-segment.cc',
+        '../src/zone/zone-segment.h',
+        '../src/zone/zone.cc',
+        '../src/zone/zone.h',
+        '../src/zone/zone-chunk-list.h',
+        '../src/zone/zone-segment.cc',
+        '../src/zone/zone-segment.h',
+        '../src/zone/zone-allocator.h',
+        '../src/zone/zone-containers.h',
+        '../src/zone/zone-handle-set.h',
+        '../src/zone/zone-list-inl.h',
+      ],
+      'conditions': [
+        ['want_separate_host_toolset==1', {
+          'toolsets': ['host', 'target'],
+        }, {
+          'toolsets': ['target'],
+        }],
+        ['v8_target_arch=="arm"', {
+          'sources': [
+            '../src/arm/assembler-arm-inl.h',
+            '../src/arm/assembler-arm.cc',
+            '../src/arm/assembler-arm.h',
+            '../src/arm/code-stubs-arm.cc',
+            '../src/arm/code-stubs-arm.h',
+            '../src/arm/codegen-arm.cc',
+            '../src/arm/constants-arm.h',
+            '../src/arm/constants-arm.cc',
+            '../src/arm/cpu-arm.cc',
+            '../src/arm/deoptimizer-arm.cc',
+            '../src/arm/disasm-arm.cc',
+            '../src/arm/frame-constants-arm.cc',
+            '../src/arm/frame-constants-arm.h',
+            '../src/arm/interface-descriptors-arm.cc',
+            '../src/arm/interface-descriptors-arm.h',
+            '../src/arm/macro-assembler-arm.cc',
+            '../src/arm/macro-assembler-arm.h',
+            '../src/arm/simulator-arm.cc',
+            '../src/arm/simulator-arm.h',
+            '../src/arm/eh-frame-arm.cc',
+            '../src/compiler/arm/code-generator-arm.cc',
+            '../src/compiler/arm/instruction-codes-arm.h',
+            '../src/compiler/arm/instruction-scheduler-arm.cc',
+            '../src/compiler/arm/instruction-selector-arm.cc',
+            '../src/compiler/arm/unwinding-info-writer-arm.cc',
+            '../src/compiler/arm/unwinding-info-writer-arm.h',
+            '../src/debug/arm/debug-arm.cc',
+            '../src/regexp/arm/regexp-macro-assembler-arm.cc',
+            '../src/regexp/arm/regexp-macro-assembler-arm.h',
+            '../src/wasm/baseline/arm/liftoff-assembler-arm.h',
+          ],
+        }],
+        ['v8_target_arch=="arm64"', {
+          'sources': [
+            '../src/arm64/assembler-arm64.cc',
+            '../src/arm64/assembler-arm64.h',
+            '../src/arm64/assembler-arm64-inl.h',
+            '../src/arm64/codegen-arm64.cc',
+            '../src/arm64/code-stubs-arm64.cc',
+            '../src/arm64/code-stubs-arm64.h',
+            '../src/arm64/constants-arm64.h',
+            '../src/arm64/cpu-arm64.cc',
+            '../src/arm64/decoder-arm64.cc',
+            '../src/arm64/decoder-arm64.h',
+            '../src/arm64/decoder-arm64-inl.h',
+            '../src/arm64/deoptimizer-arm64.cc',
+            '../src/arm64/disasm-arm64.cc',
+            '../src/arm64/disasm-arm64.h',
+            '../src/arm64/frame-constants-arm64.cc',
+            '../src/arm64/frame-constants-arm64.h',
+            '../src/arm64/instructions-arm64-constants.cc',
+            '../src/arm64/instructions-arm64.cc',
+            '../src/arm64/instructions-arm64.h',
+            '../src/arm64/instrument-arm64.cc',
+            '../src/arm64/instrument-arm64.h',
+            '../src/arm64/interface-descriptors-arm64.cc',
+            '../src/arm64/interface-descriptors-arm64.h',
+            '../src/arm64/macro-assembler-arm64.cc',
+            '../src/arm64/macro-assembler-arm64.h',
+            '../src/arm64/macro-assembler-arm64-inl.h',
+            '../src/arm64/simulator-arm64.cc',
+            '../src/arm64/simulator-arm64.h',
+            '../src/arm64/simulator-logic-arm64.cc',
+            '../src/arm64/utils-arm64.cc',
+            '../src/arm64/utils-arm64.h',
+            '../src/arm64/eh-frame-arm64.cc',
+            '../src/compiler/arm64/code-generator-arm64.cc',
+            '../src/compiler/arm64/instruction-codes-arm64.h',
+            '../src/compiler/arm64/instruction-scheduler-arm64.cc',
+            '../src/compiler/arm64/instruction-selector-arm64.cc',
+            '../src/compiler/arm64/unwinding-info-writer-arm64.cc',
+            '../src/compiler/arm64/unwinding-info-writer-arm64.h',
+            '../src/debug/arm64/debug-arm64.cc',
+            '../src/regexp/arm64/regexp-macro-assembler-arm64.cc',
+            '../src/regexp/arm64/regexp-macro-assembler-arm64.h',
+            '../src/wasm/baseline/arm64/liftoff-assembler-arm64.h',
+          ],
+        }],
+        ['v8_target_arch=="ia32"', {
+          'sources': [
+            '../src/ia32/assembler-ia32-inl.h',
+            '../src/ia32/assembler-ia32.cc',
+            '../src/ia32/assembler-ia32.h',
+            '../src/ia32/code-stubs-ia32.cc',
+            '../src/ia32/codegen-ia32.cc',
+            '../src/ia32/cpu-ia32.cc',
+            '../src/ia32/deoptimizer-ia32.cc',
+            '../src/ia32/disasm-ia32.cc',
+            '../src/ia32/frame-constants-ia32.cc',
+            '../src/ia32/frame-constants-ia32.h',
+            '../src/ia32/interface-descriptors-ia32.cc',
+            '../src/ia32/macro-assembler-ia32.cc',
+            '../src/ia32/macro-assembler-ia32.h',
+            '../src/ia32/simulator-ia32.cc',
+            '../src/ia32/simulator-ia32.h',
+            '../src/ia32/sse-instr.h',
+            '../src/compiler/ia32/code-generator-ia32.cc',
+            '../src/compiler/ia32/instruction-codes-ia32.h',
+            '../src/compiler/ia32/instruction-scheduler-ia32.cc',
+            '../src/compiler/ia32/instruction-selector-ia32.cc',
+            '../src/debug/ia32/debug-ia32.cc',
+            '../src/regexp/ia32/regexp-macro-assembler-ia32.cc',
+            '../src/regexp/ia32/regexp-macro-assembler-ia32.h',
+            '../src/wasm/baseline/ia32/liftoff-assembler-ia32.h',
+          ],
+        }],
+        ['v8_target_arch=="mips" or v8_target_arch=="mipsel"', {
+          'sources': [
+            '../src/mips/assembler-mips.cc',
+            '../src/mips/assembler-mips.h',
+            '../src/mips/assembler-mips-inl.h',
+            '../src/mips/codegen-mips.cc',
+            '../src/mips/code-stubs-mips.cc',
+            '../src/mips/code-stubs-mips.h',
+            '../src/mips/constants-mips.cc',
+            '../src/mips/constants-mips.h',
+            '../src/mips/cpu-mips.cc',
+            '../src/mips/deoptimizer-mips.cc',
+            '../src/mips/disasm-mips.cc',
+            '../src/mips/frame-constants-mips.cc',
+            '../src/mips/frame-constants-mips.h',
+            '../src/mips/interface-descriptors-mips.cc',
+            '../src/mips/macro-assembler-mips.cc',
+            '../src/mips/macro-assembler-mips.h',
+            '../src/mips/simulator-mips.cc',
+            '../src/mips/simulator-mips.h',
+            '../src/compiler/mips/code-generator-mips.cc',
+            '../src/compiler/mips/instruction-codes-mips.h',
+            '../src/compiler/mips/instruction-scheduler-mips.cc',
+            '../src/compiler/mips/instruction-selector-mips.cc',
+            '../src/debug/mips/debug-mips.cc',
+            '../src/regexp/mips/regexp-macro-assembler-mips.cc',
+            '../src/regexp/mips/regexp-macro-assembler-mips.h',
+            '../src/wasm/baseline/mips/liftoff-assembler-mips.h',
+          ],
+        }],
+        ['v8_target_arch=="mips64" or v8_target_arch=="mips64el"', {
+          'sources': [
+            '../src/mips64/assembler-mips64.cc',
+            '../src/mips64/assembler-mips64.h',
+            '../src/mips64/assembler-mips64-inl.h',
+            '../src/mips64/codegen-mips64.cc',
+            '../src/mips64/code-stubs-mips64.cc',
+            '../src/mips64/code-stubs-mips64.h',
+            '../src/mips64/constants-mips64.cc',
+            '../src/mips64/constants-mips64.h',
+            '../src/mips64/cpu-mips64.cc',
+            '../src/mips64/deoptimizer-mips64.cc',
+            '../src/mips64/disasm-mips64.cc',
+            '../src/mips64/frame-constants-mips64.cc',
+            '../src/mips64/frame-constants-mips64.h',
+            '../src/mips64/interface-descriptors-mips64.cc',
+            '../src/mips64/macro-assembler-mips64.cc',
+            '../src/mips64/macro-assembler-mips64.h',
+            '../src/mips64/simulator-mips64.cc',
+            '../src/mips64/simulator-mips64.h',
+            '../src/compiler/mips64/code-generator-mips64.cc',
+            '../src/compiler/mips64/instruction-codes-mips64.h',
+            '../src/compiler/mips64/instruction-scheduler-mips64.cc',
+            '../src/compiler/mips64/instruction-selector-mips64.cc',
+            '../src/debug/mips64/debug-mips64.cc',
+            '../src/regexp/mips64/regexp-macro-assembler-mips64.cc',
+            '../src/regexp/mips64/regexp-macro-assembler-mips64.h',
+            '../src/wasm/baseline/mips64/liftoff-assembler-mips64.h',
+          ],
+        }],
+        ['v8_target_arch=="x64"', {
+          'sources': [
+            '../src/compiler/x64/code-generator-x64.cc',
+            '../src/compiler/x64/instruction-codes-x64.h',
+            '../src/compiler/x64/instruction-scheduler-x64.cc',
+            '../src/compiler/x64/instruction-selector-x64.cc',
+            '../src/compiler/x64/unwinding-info-writer-x64.cc',
+            '../src/compiler/x64/unwinding-info-writer-x64.h',
+            '../src/x64/assembler-x64-inl.h',
+            '../src/x64/assembler-x64.cc',
+            '../src/x64/assembler-x64.h',
+            '../src/x64/code-stubs-x64.cc',
+            '../src/x64/codegen-x64.cc',
+            '../src/x64/cpu-x64.cc',
+            '../src/x64/deoptimizer-x64.cc',
+            '../src/x64/disasm-x64.cc',
+            '../src/x64/eh-frame-x64.cc',
+            '../src/x64/frame-constants-x64.cc',
+            '../src/x64/frame-constants-x64.h',
+            '../src/x64/interface-descriptors-x64.cc',
+            '../src/x64/macro-assembler-x64.cc',
+            '../src/x64/macro-assembler-x64.h',
+            '../src/x64/simulator-x64.cc',
+            '../src/x64/simulator-x64.h',
+            '../src/x64/sse-instr.h',
+            '../src/debug/x64/debug-x64.cc',
+            '../src/regexp/x64/regexp-macro-assembler-x64.cc',
+            '../src/regexp/x64/regexp-macro-assembler-x64.h',
+            '../src/third_party/valgrind/valgrind.h',
+            '../src/wasm/baseline/x64/liftoff-assembler-x64.h',
+          ],
+        }],
+        ['v8_target_arch=="x64" and OS=="linux"', {
+            'sources': ['../src/trap-handler/handler-inside.cc']
+        }],
+        ['v8_target_arch=="ppc" or v8_target_arch=="ppc64"', {
+          'sources': [
+            '../src/compiler/ppc/code-generator-ppc.cc',
+            '../src/compiler/ppc/instruction-codes-ppc.h',
+            '../src/compiler/ppc/instruction-scheduler-ppc.cc',
+            '../src/compiler/ppc/instruction-selector-ppc.cc',
+            '../src/debug/ppc/debug-ppc.cc',
+            '../src/ppc/assembler-ppc-inl.h',
+            '../src/ppc/assembler-ppc.cc',
+            '../src/ppc/assembler-ppc.h',
+            '../src/ppc/code-stubs-ppc.cc',
+            '../src/ppc/code-stubs-ppc.h',
+            '../src/ppc/codegen-ppc.cc',
+            '../src/ppc/constants-ppc.h',
+            '../src/ppc/constants-ppc.cc',
+            '../src/ppc/cpu-ppc.cc',
+            '../src/ppc/deoptimizer-ppc.cc',
+            '../src/ppc/disasm-ppc.cc',
+            '../src/ppc/frame-constants-ppc.cc',
+            '../src/ppc/frame-constants-ppc.h',
+            '../src/ppc/interface-descriptors-ppc.cc',
+            '../src/ppc/macro-assembler-ppc.cc',
+            '../src/ppc/macro-assembler-ppc.h',
+            '../src/ppc/simulator-ppc.cc',
+            '../src/ppc/simulator-ppc.h',
+            '../src/regexp/ppc/regexp-macro-assembler-ppc.cc',
+            '../src/regexp/ppc/regexp-macro-assembler-ppc.h',
+            '../src/wasm/baseline/ppc/liftoff-assembler-ppc.h',
+          ],
+        }],
+        ['v8_target_arch=="s390" or v8_target_arch=="s390x"', {
+          'sources': [
+            '../src/compiler/s390/code-generator-s390.cc',
+            '../src/compiler/s390/instruction-codes-s390.h',
+            '../src/compiler/s390/instruction-scheduler-s390.cc',
+            '../src/compiler/s390/instruction-selector-s390.cc',
+            '../src/debug/s390/debug-s390.cc',
+            '../src/regexp/s390/regexp-macro-assembler-s390.cc',
+            '../src/regexp/s390/regexp-macro-assembler-s390.h',
+            '../src/s390/assembler-s390.cc',
+            '../src/s390/assembler-s390.h',
+            '../src/s390/assembler-s390-inl.h',
+            '../src/s390/codegen-s390.cc',
+            '../src/s390/code-stubs-s390.cc',
+            '../src/s390/code-stubs-s390.h',
+            '../src/s390/constants-s390.cc',
+            '../src/s390/constants-s390.h',
+            '../src/s390/cpu-s390.cc',
+            '../src/s390/deoptimizer-s390.cc',
+            '../src/s390/disasm-s390.cc',
+            '../src/s390/frame-constants-s390.cc',
+            '../src/s390/frame-constants-s390.h',
+            '../src/s390/interface-descriptors-s390.cc',
+            '../src/s390/macro-assembler-s390.cc',
+            '../src/s390/macro-assembler-s390.h',
+            '../src/s390/simulator-s390.cc',
+            '../src/s390/simulator-s390.h',
+            '../src/wasm/baseline/s390/liftoff-assembler-s390.h',
+          ],
+        }],
+        ['OS=="win"', {
+          'variables': {
+            'gyp_generators': '<!(echo $GYP_GENERATORS)',
+          },
+          'msvs_disabled_warnings': [4351, 4355, 4800],
+          # When building Official, the .lib is too large and exceeds the 2G
+          # limit. This breaks it into multiple pieces to avoid the limit.
+          # See http://crbug.com/485155.
+          'msvs_shard': 4,
+          # This will prevent V8's .cc files conflicting with the inspector's
+          # .cpp files in the same shard.
+          'msvs_settings': {
+            'VCCLCompilerTool': {
+              'ObjectFile':'$(IntDir)%(Extension)\\',
+            },
+          },
+        }],
+        ['component=="shared_library"', {
+          'defines': [
+            'BUILDING_V8_SHARED',
+          ],
+        }],
+        ['v8_postmortem_support=="true"', {
+          'sources': [
+            '<(SHARED_INTERMEDIATE_DIR)/debug-support.cc',
+          ]
+        }],
+        ['v8_enable_i18n_support==1', {
+          'dependencies': [
+            '<(icu_gyp_path):icui18n',
+            '<(icu_gyp_path):icuuc',
+          ],
+          'conditions': [
+            ['icu_use_data_file_flag==1', {
+              'defines': ['ICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE'],
+            }, { # else icu_use_data_file_flag !=1
+              'conditions': [
+                ['OS=="win"', {
+                  'defines': ['ICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_SHARED'],
+                }, {
+                  'defines': ['ICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_STATIC'],
+                }],
+              ],
+            }],
+          ],
+        }, {  # v8_enable_i18n_support==0
+          'sources!': [
+            '../src/builtins/builtins-intl.cc',
+            '../src/builtins/builtins-intl.h',
+            '../src/char-predicates.cc',
+            '../src/intl.cc',
+            '../src/intl.h',
+            '../src/objects/intl-objects.cc',
+            '../src/objects/intl-objects.h',
+            '../src/runtime/runtime-intl.cc',
+          ],
+        }],
+        ['OS=="win" and v8_enable_i18n_support==1', {
+          'dependencies': [
+            '<(icu_gyp_path):icudata',
+          ],
+        }],
+      ],
+    },
+    {
+      'target_name': 'v8_libbase',
+      'type': '<(component)',
+      'variables': {
+        'optimize': 'max',
+      },
+      'include_dirs+': [
+        '..',
+      ],
+      'sources': [
+        '../src/base/adapters.h',
+        '../src/base/atomic-utils.h',
+        '../src/base/atomicops.h',
+        '../src/base/atomicops_internals_atomicword_compat.h',
+        '../src/base/atomicops_internals_portable.h',
+        '../src/base/atomicops_internals_std.h',
+        '../src/base/base-export.h',
+        '../src/base/bits.cc',
+        '../src/base/bits.h',
+        '../src/base/build_config.h',
+        '../src/base/compiler-specific.h',
+        '../src/base/cpu.cc',
+        '../src/base/cpu.h',
+        '../src/base/division-by-constant.cc',
+        '../src/base/division-by-constant.h',
+        '../src/base/debug/stack_trace.cc',
+        '../src/base/debug/stack_trace.h',
+        '../src/base/export-template.h',
+        '../src/base/file-utils.cc',
+        '../src/base/file-utils.h',
+        '../src/base/flags.h',
+        '../src/base/format-macros.h',
+        '../src/base/free_deleter.h',
+        '../src/base/functional.cc',
+        '../src/base/functional.h',
+        '../src/base/hashmap.h',
+        '../src/base/hashmap-entry.h',
+        '../src/base/ieee754.cc',
+        '../src/base/ieee754.h',
+        '../src/base/iterator.h',
+        '../src/base/lazy-instance.h',
+        '../src/base/logging.cc',
+        '../src/base/logging.h',
+        '../src/base/macros.h',
+        '../src/base/once.cc',
+        '../src/base/once.h',
+        '../src/base/optional.h',
+        '../src/base/page-allocator.cc',
+        '../src/base/page-allocator.h',
+        '../src/base/platform/elapsed-timer.h',
+        '../src/base/platform/time.cc',
+        '../src/base/platform/time.h',
+        '../src/base/platform/condition-variable.cc',
+        '../src/base/platform/condition-variable.h',
+        '../src/base/platform/mutex.cc',
+        '../src/base/platform/mutex.h',
+        '../src/base/platform/platform.h',
+        '../src/base/platform/semaphore.cc',
+        '../src/base/platform/semaphore.h',
+        '../src/base/ring-buffer.h',
+        '../src/base/safe_conversions.h',
+        '../src/base/safe_conversions_impl.h',
+        '../src/base/safe_math.h',
+        '../src/base/safe_math_impl.h',
+        '../src/base/sys-info.cc',
+        '../src/base/sys-info.h',
+        '../src/base/template-utils.h',
+        '../src/base/timezone-cache.h',
+        '../src/base/tsan.h',
+        '../src/base/utils/random-number-generator.cc',
+        '../src/base/utils/random-number-generator.h',
+      ],
+      'target_conditions': [
+        ['OS=="android" and _toolset=="target"', {
+          'libraries': [
+            '-llog',
+          ],
+          'include_dirs': [
+            'src/common/android/include',
+          ],
+        }],
+      ],
+      'conditions': [
+        ['want_separate_host_toolset==1', {
+          'toolsets': ['host', 'target'],
+        }, {
+          'toolsets': ['target'],
+        }],
+        ['component=="shared_library"', {
+          'defines': [
+            'BUILDING_V8_BASE_SHARED',
+          ],
+          'direct_dependent_settings': {
+            'defines': [
+              'USING_V8_BASE_SHARED',
+            ],
+          },
+        }],
+        ['OS=="linux"', {
+            'link_settings': {
+              'libraries': [
+                '-ldl',
+                '-lrt'
+              ],
+            },
+            'sources': [
+              '../src/base/debug/stack_trace_posix.cc',
+              '../src/base/platform/platform-linux.cc',
+              '../src/base/platform/platform-posix.h',
+              '../src/base/platform/platform-posix.cc',
+              '../src/base/platform/platform-posix-time.h',
+              '../src/base/platform/platform-posix-time.cc',
+            ],
+          }
+        ],
+        ['OS=="android"', {
+            'sources': [
+              '../src/base/debug/stack_trace_android.cc',
+              '../src/base/platform/platform-posix.h',
+              '../src/base/platform/platform-posix.cc',
+              '../src/base/platform/platform-posix-time.h',
+              '../src/base/platform/platform-posix-time.cc',
+            ],
+            'link_settings': {
+              'target_conditions': [
+                ['_toolset=="host" and host_os!="mac"', {
+                  # Only include libdl and librt on host builds because they
+                  # are included by default on Android target builds, and we
+                  # don't want to re-include them here since this will change
+                  # library order and break (see crbug.com/469973).
+                  # These libraries do not exist on Mac hosted builds.
+                  'libraries': [
+                    '-ldl',
+                    '-lrt'
+                  ]
+                }]
+              ]
+            },
+            'conditions': [
+              ['host_os=="mac"', {
+                'target_conditions': [
+                  ['_toolset=="host"', {
+                    'sources': [
+                      '../src/base/platform/platform-macos.cc'
+                    ]
+                  }, {
+                    'sources': [
+                      '../src/base/platform/platform-linux.cc'
+                    ]
+                  }],
+                ],
+              }, {
+                'sources': [
+                  '../src/base/platform/platform-linux.cc'
+                ]
+              }],
+            ],
+          },
+        ],
+        ['OS=="qnx"', {
+            'link_settings': {
+              'target_conditions': [
+                ['_toolset=="host" and host_os=="linux"', {
+                  'libraries': [
+                    '-lrt'
+                  ],
+                }],
+                ['_toolset=="target"', {
+                  'libraries': [
+                    '-lbacktrace'
+                  ],
+                }],
+              ],
+            },
+            'sources': [
+              '../src/base/debug/stack_trace_posix.cc',
+              '../src/base/platform/platform-posix.h',
+              '../src/base/platform/platform-posix.cc',
+              '../src/base/platform/platform-posix-time.h',
+              '../src/base/platform/platform-posix-time.cc',
+              '../src/base/qnx-math.h'
+            ],
+            'target_conditions': [
+              ['_toolset=="host" and host_os=="linux"', {
+                'sources': [
+                  '../src/base/platform/platform-linux.cc'
+                ],
+              }],
+              ['_toolset=="host" and host_os=="mac"', {
+                'sources': [
+                  '../src/base/platform/platform-macos.cc'
+                ],
+              }],
+              ['_toolset=="target"', {
+                'sources': [
+                  '../src/base/platform/platform-qnx.cc'
+                ],
+              }],
+            ],
+          },
+        ],
+        ['OS=="freebsd"', {
+            'link_settings': {
+              'libraries': [
+                '-L/usr/local/lib -lexecinfo',
+            ]},
+            'sources': [
+              '../src/base/debug/stack_trace_posix.cc',
+              '../src/base/platform/platform-freebsd.cc',
+              '../src/base/platform/platform-posix.h',
+              '../src/base/platform/platform-posix.cc',
+              '../src/base/platform/platform-posix-time.h',
+              '../src/base/platform/platform-posix-time.cc',
+            ],
+          }
+        ],
+        ['OS=="openbsd"', {
+            'link_settings': {
+              'libraries': [
+                '-L/usr/local/lib -lexecinfo',
+            ]},
+            'sources': [
+              '../src/base/debug/stack_trace_posix.cc',
+              '../src/base/platform/platform-openbsd.cc',
+              '../src/base/platform/platform-posix.h',
+              '../src/base/platform/platform-posix.cc',
+              '../src/base/platform/platform-posix-time.h',
+              '../src/base/platform/platform-posix-time.cc',
+            ],
+          }
+        ],
+        ['OS=="netbsd"', {
+            'link_settings': {
+              'libraries': [
+                '-L/usr/pkg/lib -Wl,-R/usr/pkg/lib -lexecinfo',
+            ]},
+            'sources': [
+              '../src/base/debug/stack_trace_posix.cc',
+              '../src/base/platform/platform-openbsd.cc',
+              '../src/base/platform/platform-posix.h',
+              '../src/base/platform/platform-posix.cc',
+              '../src/base/platform/platform-posix-time.h',
+              '../src/base/platform/platform-posix-time.cc',
+            ],
+          }
+        ],
+        ['OS=="aix"', {
+          'sources': [
+            '../src/base/debug/stack_trace_posix.cc',
+            '../src/base/platform/platform-aix.cc',
+            '../src/base/platform/platform-posix.h',
+            '../src/base/platform/platform-posix.cc'
+          ]},
+        ],
+        ['OS=="fuchsia"', {
+          'sources': [
+            '../src/base/debug/stack_trace_fuchsia.cc',
+            '../src/base/platform/platform-fuchsia.cc',
+          ]},
+        ],
+        ['OS=="solaris"', {
+            'link_settings': {
+              'libraries': [
+                '-lnsl -lrt',
+            ]},
+            'sources': [
+              '../src/base/debug/stack_trace_posix.cc',
+              '../src/base/platform/platform-solaris.cc',
+              '../src/base/platform/platform-posix.h',
+              '../src/base/platform/platform-posix.cc',
+            ],
+          }
+        ],
+        ['OS=="mac"', {
+          'sources': [
+            '../src/base/debug/stack_trace_posix.cc',
+            '../src/base/platform/platform-macos.cc',
+            '../src/base/platform/platform-posix.h',
+            '../src/base/platform/platform-posix.cc',
+            '../src/base/platform/platform-posix-time.h',
+            '../src/base/platform/platform-posix-time.cc',
+          ]},
+        ],
+        ['OS=="win"', {
+          'defines': [
+            '_CRT_RAND_S'  # for rand_s()
+          ],
+          'variables': {
+            'gyp_generators': '<!(echo $GYP_GENERATORS)',
+          },
+          'conditions': [
+            ['gyp_generators=="make"', {
+              'variables': {
+                'build_env': '<!(uname -o)',
+              },
+              'conditions': [
+                ['build_env=="Cygwin"', {
+                  'sources': [
+                    '../src/base/debug/stack_trace_posix.cc',
+                    '../src/base/platform/platform-cygwin.cc',
+                    '../src/base/platform/platform-posix.h',
+                    '../src/base/platform/platform-posix.cc',
+                  ],
+                }, {
+                  'sources': [
+                    '../src/base/debug/stack_trace_win.cc',
+                    '../src/base/platform/platform-win32.cc',
+                    '../src/base/win32-headers.h',
+                  ],
+                }],
+              ],
+              'link_settings':  {
+                'libraries': [ '-lwinmm', '-lws2_32' ],
+              },
+            }, {
+              'sources': [
+                '../src/base/debug/stack_trace_win.cc',
+                '../src/base/platform/platform-win32.cc',
+                '../src/base/win32-headers.h',
+              ],
+              'msvs_disabled_warnings': [4351, 4355, 4800],
+              'link_settings':  {
+                'libraries': [
+                  '-ldbghelp.lib',
+                  '-lshlwapi.lib',
+                  '-lwinmm.lib',
+                  '-lws2_32.lib'
+                ],
+              },
+            }],
+          ],
+        }],
+      ],
+    },
+    {
+      'target_name': 'v8_libplatform',
+      'type': '<(component)',
+      'variables': {
+        'optimize': 'max',
+      },
+      'dependencies': [
+        'v8_libbase',
+      ],
+      'include_dirs+': [
+        '..',
+        '<(DEPTH)',
+        '../include/',
+      ],
+      'sources': [
+        '../include//libplatform/libplatform.h',
+        '../include//libplatform/libplatform-export.h',
+        '../include//libplatform/v8-tracing.h',
+        '../src/libplatform/default-background-task-runner.cc',
+        '../src/libplatform/default-background-task-runner.h',
+        '../src/libplatform/default-foreground-task-runner.cc',
+        '../src/libplatform/default-foreground-task-runner.h',
+        '../src/libplatform/default-platform.cc',
+        '../src/libplatform/default-platform.h',
+        '../src/libplatform/task-queue.cc',
+        '../src/libplatform/task-queue.h',
+        '../src/libplatform/tracing/trace-buffer.cc',
+        '../src/libplatform/tracing/trace-buffer.h',
+        '../src/libplatform/tracing/trace-config.cc',
+        '../src/libplatform/tracing/trace-object.cc',
+        '../src/libplatform/tracing/trace-writer.cc',
+        '../src/libplatform/tracing/trace-writer.h',
+        '../src/libplatform/tracing/tracing-controller.cc',
+        '../src/libplatform/worker-thread.cc',
+        '../src/libplatform/worker-thread.h',
+      ],
+      'conditions': [
+        ['want_separate_host_toolset==1', {
+          'toolsets': ['host', 'target'],
+        }, {
+          'toolsets': ['target'],
+        }],
+        ['component=="shared_library"', {
+          'direct_dependent_settings': {
+            'defines': [ 'USING_V8_PLATFORM_SHARED' ],
+          },
+          'defines': [ 'BUILDING_V8_PLATFORM_SHARED' ],
+        }]
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          '../include/',
+        ],
+      },
+    },
+    {
+      'target_name': 'v8_libsampler',
+      'type': 'static_library',
+      'variables': {
+        'optimize': 'max',
+      },
+      'dependencies': [
+        'v8_libbase',
+      ],
+      'include_dirs+': [
+        '..',
+        '../include/',
+      ],
+      'sources': [
+        '../src/libsampler/sampler.cc',
+        '../src/libsampler/sampler.h'
+      ],
+      'conditions': [
+        ['want_separate_host_toolset==1', {
+          'toolsets': ['host', 'target'],
+        }, {
+          'toolsets': ['target'],
+        }],
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          '../include/',
+        ],
+      },
+    },
+    {
+      'target_name': 'natives_blob',
+      'type': 'none',
+      'conditions': [
+        [ 'v8_use_external_startup_data==1', {
+          'conditions': [
+            ['want_separate_host_toolset==1', {
+              'dependencies': ['js2c#host'],
+            }, {
+              'dependencies': ['js2c'],
+            }],
+          ],
+          'actions': [{
+            'action_name': 'concatenate_natives_blob',
+            'inputs': [
+              '../tools//concatenate-files.py',
+              '<(SHARED_INTERMEDIATE_DIR)/libraries.bin',
+              '<(SHARED_INTERMEDIATE_DIR)/libraries-extras.bin',
+              '<(SHARED_INTERMEDIATE_DIR)/libraries-experimental-extras.bin',
+            ],
+            'conditions': [
+              ['want_separate_host_toolset==1', {
+                'target_conditions': [
+                  ['_toolset=="host"', {
+                    'outputs': [
+                      '<(PRODUCT_DIR)/natives_blob_host.bin',
+                    ],
+                    'action': [
+                      'python', '<@(_inputs)', '<(PRODUCT_DIR)/natives_blob_host.bin'
+                    ],
+                  }, {
+                    'outputs': [
+                      '<(PRODUCT_DIR)/natives_blob.bin',
+                    ],
+                    'action': [
+                      'python', '<@(_inputs)', '<(PRODUCT_DIR)/natives_blob.bin'
+                    ],
+                  }],
+                ],
+              }, {
+                'outputs': [
+                  '<(PRODUCT_DIR)/natives_blob.bin',
+                ],
+                'action': [
+                  'python', '<@(_inputs)', '<(PRODUCT_DIR)/natives_blob.bin'
+                ],
+              }],
+            ],
+          }],
+        }],
+        ['want_separate_host_toolset==1', {
+          'toolsets': ['host', 'target'],
+        }, {
+          'toolsets': ['target'],
+        }],
+      ]
+    },
+    {
+      'target_name': 'js2c',
+      'type': 'none',
+      'conditions': [
+        ['want_separate_host_toolset==1', {
+          'toolsets': ['host'],
+        }, {
+          'toolsets': ['target'],
+        }],
+      ],
+      'variables': {
+        'library_files': [
+          '../src/js/macros.py',
+          '../src/messages.h',
+          '../src/js/prologue.js',
+          '../src/js/array.js',
+          '../src/js/typedarray.js',
+          '../src/js/messages.js',
+          '../src/js/spread.js',
+          '../src/debug/mirrors.js',
+          '../src/debug/debug.js',
+          '../src/debug/liveedit.js',
+        ],
+        'libraries_bin_file': '<(SHARED_INTERMEDIATE_DIR)/libraries.bin',
+        'libraries_extras_bin_file': '<(SHARED_INTERMEDIATE_DIR)/libraries-extras.bin',
+        'libraries_experimental_extras_bin_file': '<(SHARED_INTERMEDIATE_DIR)/libraries-experimental-extras.bin',
+        'conditions': [
+          ['v8_enable_i18n_support==1', {
+            'library_files': ['../src/js/intl.js'],
+          }],
+        ],
+      },
+      'actions': [
+        {
+          'action_name': 'js2c',
+          'inputs': [
+            '../tools//js2c.py',
+            '<@(library_files)',
+          ],
+          'outputs': ['<(SHARED_INTERMEDIATE_DIR)/libraries.cc'],
+          'action': [
+            'python',
+            '../tools//js2c.py',
+            '<(SHARED_INTERMEDIATE_DIR)/libraries.cc',
+            'CORE',
+            '<@(library_files)',
+          ],
+        },
+        {
+          'action_name': 'js2c_bin',
+          'inputs': [
+            '../tools//js2c.py',
+            '<@(library_files)',
+          ],
+          'outputs': ['<@(libraries_bin_file)'],
+          'action': [
+            'python',
+            '../tools//js2c.py',
+            '<(SHARED_INTERMEDIATE_DIR)/libraries.cc',
+            'CORE',
+            '<@(library_files)',
+            '--startup_blob', '<@(libraries_bin_file)',
+            '--nojs',
+          ],
+        },
+        {
+          'action_name': 'js2c_extras',
+          'inputs': [
+            '../tools//js2c.py',
+            '<@(v8_extra_library_files)',
+          ],
+          'outputs': ['<(SHARED_INTERMEDIATE_DIR)/extras-libraries.cc'],
+          'action': [
+            'python',
+            '../tools//js2c.py',
+            '<(SHARED_INTERMEDIATE_DIR)/extras-libraries.cc',
+            'EXTRAS',
+            '<@(v8_extra_library_files)',
+          ],
+        },
+        {
+          'action_name': 'js2c_extras_bin',
+          'inputs': [
+            '../tools//js2c.py',
+            '<@(v8_extra_library_files)',
+          ],
+          'outputs': ['<@(libraries_extras_bin_file)'],
+          'action': [
+            'python',
+            '../tools//js2c.py',
+            '<(SHARED_INTERMEDIATE_DIR)/extras-libraries.cc',
+            'EXTRAS',
+            '<@(v8_extra_library_files)',
+            '--startup_blob', '<@(libraries_extras_bin_file)',
+            '--nojs',
+          ],
+        },
+        {
+          'action_name': 'js2c_experimental_extras',
+          'inputs': [
+            '../tools//js2c.py',
+            '<@(v8_experimental_extra_library_files)',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/experimental-extras-libraries.cc',
+          ],
+          'action': [
+            'python',
+            '../tools//js2c.py',
+            '<(SHARED_INTERMEDIATE_DIR)/experimental-extras-libraries.cc',
+            'EXPERIMENTAL_EXTRAS',
+            '<@(v8_experimental_extra_library_files)',
+          ],
+        },
+        {
+          'action_name': 'js2c_experimental_extras_bin',
+          'inputs': [
+            '../tools//js2c.py',
+            '<@(v8_experimental_extra_library_files)',
+          ],
+          'outputs': ['<@(libraries_experimental_extras_bin_file)'],
+          'action': [
+            'python',
+            '../tools//js2c.py',
+            '<(SHARED_INTERMEDIATE_DIR)/experimental-extras-libraries.cc',
+            'EXPERIMENTAL_EXTRAS',
+            '<@(v8_experimental_extra_library_files)',
+            '--startup_blob', '<@(libraries_experimental_extras_bin_file)',
+            '--nojs',
+          ],
+        },
+      ],
+    },
+    {
+      'target_name': 'postmortem-metadata',
+      'type': 'none',
+      'variables': {
+        'heapobject_files': [
+            '../src/objects.h',
+            '../src/objects-inl.h',
+            '../src/objects/code.h',
+            '../src/objects/code-inl.h',
+            '../src/objects/fixed-array.h',
+            '../src/objects/fixed-array-inl.h',
+            '../src/objects/js-array.h',
+            '../src/objects/js-array-inl.h',
+            '../src/objects/js-regexp.h',
+            '../src/objects/js-regexp-inl.h',
+            '../src/objects/map.h',
+            '../src/objects/map-inl.h',
+            '../src/objects/script.h',
+            '../src/objects/script-inl.h',
+            '../src/objects/shared-function-info.h',
+            '../src/objects/shared-function-info-inl.h',
+            '../src/objects/string.h',
+            '../src/objects/string-inl.h',
+        ],
+      },
+      'actions': [
+          {
+            'action_name': 'gen-postmortem-metadata',
+            'inputs': [
+              '../tools//gen-postmortem-metadata.py',
+              '<@(heapobject_files)',
+            ],
+            'outputs': [
+              '<(SHARED_INTERMEDIATE_DIR)/debug-support.cc',
+            ],
+            'action': [
+              'python',
+              '../tools//gen-postmortem-metadata.py',
+              '<@(_outputs)',
+              '<@(heapobject_files)'
+            ]
+          }
+        ]
+    },
+    {
+      'target_name': 'mksnapshot',
+      'type': 'executable',
+      'dependencies': [
+        'v8_base',
+        'v8_init',
+        'v8_libbase',
+        'v8_libplatform',
+        'v8_nosnapshot',
+      ],
+      'include_dirs+': [
+        '..',
+        '<(DEPTH)',
+      ],
+      'sources': [
+        '../src/snapshot/mksnapshot.cc',
+      ],
+      'conditions': [
+        ['v8_enable_i18n_support==1', {
+          'dependencies': [
+            '<(icu_gyp_path):icui18n',
+            '<(icu_gyp_path):icuuc',
+          ]
+        }],
+        ['want_separate_host_toolset==1', {
+          'toolsets': ['host'],
+        }, {
+          'toolsets': ['target'],
+        }],
+      ],
+    },
+    {
+      'target_name': 'v8_dump_build_config',
+      'type': 'none',
+      'variables': {
+      },
+      'actions': [
+        {
+          'action_name': 'v8_dump_build_config',
+          'inputs': [
+            '../tools//testrunner/utils/dump_build_config_gyp.py',
+          ],
+          'outputs': [
+            '<(PRODUCT_DIR)/v8_build_config.json',
+          ],
+          'action': [
+            'python',
+            '../tools//testrunner/utils/dump_build_config_gyp.py',
+            '<(PRODUCT_DIR)/v8_build_config.json',
+            'dcheck_always_on=<(dcheck_always_on)',
+            'is_asan=<(asan)',
+            'is_cfi=<(cfi_vptr)',
+            'is_component_build=<(component)',
+            'is_debug=<(CONFIGURATION_NAME)',
+            # Not available in gyp.
+            'is_gcov_coverage=0',
+            'is_msan=<(msan)',
+            'is_tsan=<(tsan)',
+            # Not available in gyp.
+            'is_ubsan_vptr=0',
+            'target_cpu=<(target_arch)',
+            'v8_enable_i18n_support=<(v8_enable_i18n_support)',
+            'v8_enable_verify_predictable=<(v8_enable_verify_predictable)',
+            'v8_target_cpu=<(v8_target_arch)',
+            'v8_use_snapshot=<(v8_use_snapshot)',
+          ],
+          'conditions': [
+            ['v8_target_arch=="mips" or v8_target_arch=="mipsel" \
+              or v8_target_arch=="mips64" or v8_target_arch=="mips64el"', {
+                'action':[
+                  'mips_arch_variant=<(mips_arch_variant)',
+                  'mips_use_msa=<(mips_use_msa)',
+                ],
+            }],
+          ],
+        },
+      ],
+    },
+    {
+      'target_name': 'v8_monolith',
+      'type': 'none',
+      'direct_dependent_settings': {
+        'include_dirs': [
+          '../include/',
+        ],
+      },
+      'actions': [
+        {
+          'action_name': 'build_with_gn',
+          'inputs': [
+            '../tools//node/build_gn.py',
+          ],
+          'outputs': [
+            '<(INTERMEDIATE_DIR)/gn/obj/libv8_monolith.a',
+            '<(INTERMEDIATE_DIR)/gn/args.gn',
+          ],
+          'action': [
+            '../tools//node/build_gn.py',
+            '--mode', '<(CONFIGURATION_NAME)',
+            '--v8_path', '../',
+            '--build_path', '<(INTERMEDIATE_DIR)/gn',
+            '--host_os', '<(host_os)',
+            '--flag', 'v8_promise_internal_field_count=<(v8_promise_internal_field_count)',
+            '--flag', 'target_cpu="<(target_arch)"',
+            '--flag', 'target_os="<(OS)"',
+            '--flag', 'v8_target_cpu="<(v8_target_arch)"',
+            '--flag', 'v8_embedder_string="<(v8_embedder_string)"',
+            '--flag', 'v8_use_snapshot=<(v8_use_snapshot)',
+            '--flag', 'v8_optimized_debug=<(v8_optimized_debug)',
+            '--flag', 'v8_enable_disassembler=<(v8_enable_disassembler)',
+            '--flag', 'v8_postmortem_support=<(v8_postmortem_support)',
+          ],
+        },
+      ],
+    },
+  ],
+}
diff --git a/deps/v8/gypfiles/v8vtune.gyp b/deps/v8/gypfiles/v8vtune.gyp
new file mode 100644
index 0000000000..2a756d4b80
--- /dev/null
+++ b/deps/v8/gypfiles/v8vtune.gyp
@@ -0,0 +1,36 @@
+# Copyright 2012 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'variables': {
+    'v8_code': 1,
+  },
+  'includes': ['toolchain.gypi', 'features.gypi'],
+  'targets': [
+    {
+      'target_name': 'v8_vtune',
+      'type': 'static_library',
+      'dependencies': [
+        'v8.gyp:v8',
+      ],
+      'sources': [
+        '../src/third_party/vtune/ittnotify_config.h',
+        '../src/third_party/vtune/ittnotify_types.h',
+        '../src/third_party/vtune/jitprofiling.cc',
+        '../src/third_party/vtune/jitprofiling.h',
+        '../src/third_party/vtune/v8-vtune.h',
+        '../src/third_party/vtune/vtune-jit.cc',
+        '../src/third_party/vtune/vtune-jit.h',
+      ],
+      'direct_dependent_settings': {
+        'defines': ['ENABLE_VTUNE_JIT_INTERFACE',],
+        'conditions': [
+          ['OS != "win"', {
+            'libraries': ['-ldl',],
+          }],
+        ],
+      },
+    },
+  ],
+}
diff --git a/deps/v8/gypfiles/verify_source_deps.py b/deps/v8/gypfiles/verify_source_deps.py
new file mode 100644
index 0000000000..714c6fe84b
--- /dev/null
+++ b/deps/v8/gypfiles/verify_source_deps.py
@@ -0,0 +1,187 @@
+#!/usr/bin/env python
+# Copyright 2015 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""
+Script to print potentially missing source dependencies based on the actual
+.h and .cc files in the source tree and which files are included in the gyp
+and gn files. The latter inclusion is overapproximated.
+
+TODO(machenbach): If two source files with the same name exist, but only one
+is referenced from a gyp/gn file, we won't necessarily detect it.
+"""
+
+import itertools
+import re
+import os
+import subprocess
+import sys
+
+
+V8_BASE = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
+
+GYP_FILES = [
+  os.path.join(V8_BASE, 'gypfiles', 'd8.gyp'),
+  os.path.join(V8_BASE, 'gypfiles', 'v8.gyp'),
+  os.path.join(V8_BASE, 'gypfiles', 'inspector.gypi'),
+  os.path.join(V8_BASE, 'gypfiles', 'v8vtune.gyp'),
+  os.path.join(V8_BASE, 'gypfiles', 'samples.gyp'),
+  os.path.join(V8_BASE, 'gypfiles', 'cctest.gyp'),
+  os.path.join(V8_BASE, 'gypfiles', 'fuzzer.gyp'),
+  os.path.join(V8_BASE, 'gypfiles', 'unittests.gyp'),
+  os.path.join(V8_BASE, 'gypfiles', 'inspector-test.gyp'),
+  os.path.join(V8_BASE, 'gypfiles', 'mkgrokdump.gyp'),
+  os.path.join(V8_BASE, 'gypfiles', 'gmock.gyp'),
+  os.path.join(V8_BASE, 'gypfiles', 'gtest.gyp'),
+  os.path.join(V8_BASE, 'gypfiles', 'parser-shell.gyp'),
+]
+
+ALL_GYP_PREFIXES = [
+  '..',
+  'common',
+  os.path.join('src', 'third_party', 'vtune'),
+  'src',
+  'samples',
+  'testing',
+  'tools',
+  os.path.join('test', 'cctest'),
+  os.path.join('test', 'common'),
+  os.path.join('test', 'fuzzer'),
+  os.path.join('test', 'unittests'),
+  os.path.join('test', 'inspector'),
+  os.path.join('test', 'mkgrokdump'),
+]
+
+GYP_UNSUPPORTED_FEATURES = [
+  'gcmole',
+  'setup-isolate-deserialize.cc',
+  'v8-version.h'
+]
+
+GN_FILES = [
+  os.path.join(V8_BASE, 'BUILD.gn'),
+  os.path.join(V8_BASE, 'build', 'secondary', 'testing', 'gmock', 'BUILD.gn'),
+  os.path.join(V8_BASE, 'build', 'secondary', 'testing', 'gtest', 'BUILD.gn'),
+  os.path.join(V8_BASE, 'src', 'inspector', 'BUILD.gn'),
+  os.path.join(V8_BASE, 'test', 'cctest', 'BUILD.gn'),
+  os.path.join(V8_BASE, 'test', 'unittests', 'BUILD.gn'),
+  os.path.join(V8_BASE, 'test', 'inspector', 'BUILD.gn'),
+  os.path.join(V8_BASE, 'test', 'mkgrokdump', 'BUILD.gn'),
+  os.path.join(V8_BASE, 'tools', 'BUILD.gn'),
+]
+
+GN_UNSUPPORTED_FEATURES = [
+  'aix',
+  'cygwin',
+  'freebsd',
+  'gcmole',
+  'openbsd',
+  'ppc',
+  'qnx',
+  'solaris',
+  'vtune',
+  'v8-version.h',
+]
+
+ALL_GN_PREFIXES = [
+  '..',
+  os.path.join('src', 'inspector'),
+  'src',
+  'testing',
+  os.path.join('test', 'cctest'),
+  os.path.join('test', 'unittests'),
+  os.path.join('test', 'inspector'),
+  os.path.join('test', 'mkgrokdump'),
+]
+
+def pathsplit(path):
+  return re.split('[/\\\\]', path)
+
+def path_no_prefix(path, prefixes):
+  for prefix in prefixes:
+    if path.startswith(prefix + os.sep):
+      return path_no_prefix(path[len(prefix) + 1:], prefixes)
+  return path
+
+
+def isources(prefixes):
+  cmd = ['git', 'ls-tree', '-r', 'HEAD', '--full-name', '--name-only']
+  for f in subprocess.check_output(cmd, universal_newlines=True).split('\n'):
+    if not (f.endswith('.h') or f.endswith('.cc')):
+      continue
+    yield path_no_prefix(os.path.join(*pathsplit(f)), prefixes)
+
+
+def iflatten(obj):
+  if isinstance(obj, dict):
+    for value in obj.values():
+      for i in iflatten(value):
+        yield i
+  elif isinstance(obj, list):
+    for value in obj:
+      for i in iflatten(value):
+        yield i
+  elif isinstance(obj, basestring):
+    yield path_no_prefix(os.path.join(*pathsplit(obj)), ALL_GYP_PREFIXES)
+
+
+def iflatten_gyp_file(gyp_file):
+  """Overaproximates all values in the gyp file.
+
+  Iterates over all string values recursively. Removes '../' path prefixes.
+  """
+  with open(gyp_file) as f:
+    return iflatten(eval(f.read()))
+
+
+def iflatten_gn_file(gn_file):
+  """Overaproximates all values in the gn file.
+
+  Iterates over all double quoted strings.
+  """
+  with open(gn_file) as f:
+    for line in f.read().splitlines():
+      match = re.match(r'.*"([^"]*)".*', line)
+      if match:
+        yield path_no_prefix(
+            os.path.join(*pathsplit(match.group(1))), ALL_GN_PREFIXES)
+
+
+def icheck_values(values, prefixes):
+  for source_file in isources(prefixes):
+    if source_file not in values:
+      yield source_file
+
+
+def missing_gyp_files():
+  gyp_values = set(itertools.chain(
+    *[iflatten_gyp_file(gyp_file) for gyp_file in GYP_FILES]
+    ))
+  gyp_files = sorted(icheck_values(gyp_values, ALL_GYP_PREFIXES))
+  return filter(
+      lambda x: not any(i in x for i in GYP_UNSUPPORTED_FEATURES), gyp_files)
+
+
+def missing_gn_files():
+  gn_values = set(itertools.chain(
+    *[iflatten_gn_file(gn_file) for gn_file in GN_FILES]
+    ))
+
+  gn_files = sorted(icheck_values(gn_values, ALL_GN_PREFIXES))
+  return filter(
+      lambda x: not any(i in x for i in GN_UNSUPPORTED_FEATURES), gn_files)
+
+
+def main():
+  print "----------- Files not in gyp: ------------"
+  for i in missing_gyp_files():
+    print i
+
+  print "\n----------- Files not in gn: -------------"
+  for i in missing_gn_files():
+    print i
+  return 0
+
+if '__main__' == __name__:
+  sys.exit(main())
diff --git a/deps/v8/gypfiles/win/msvs_dependencies.isolate b/deps/v8/gypfiles/win/msvs_dependencies.isolate
deleted file mode 100644
index 2859126659..0000000000
--- a/deps/v8/gypfiles/win/msvs_dependencies.isolate
+++ /dev/null
@@ -1,97 +0,0 @@
-# Copyright 2016 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# TODO(machenbach): Remove this when crbug.com/669910 is resolved.
-{
-  'conditions': [
-    # Copy the VS runtime DLLs into the isolate so that they
-    # don't have to be preinstalled on the target machine.
-    #
-    # VS2013 runtimes
-    ['OS=="win" and msvs_version==2013 and component=="shared_library" and (CONFIGURATION_NAME=="Debug" or CONFIGURATION_NAME=="Debug_x64")', {
-      'variables': {
-        'files': [
-          '<(PRODUCT_DIR)/msvcp120d.dll',
-          '<(PRODUCT_DIR)/msvcr120d.dll',
-        ],
-      },
-    }],
-    ['OS=="win" and msvs_version==2013 and component=="shared_library" and (CONFIGURATION_NAME=="Release" or CONFIGURATION_NAME=="Release_x64")', {
-      'variables': {
-        'files': [
-          '<(PRODUCT_DIR)/msvcp120.dll',
-          '<(PRODUCT_DIR)/msvcr120.dll',
-        ],
-      },
-    }],
-    # VS2015/2017 runtimes
-    ['OS=="win" and (msvs_version==2015 or msvs_version==2017) and component=="shared_library" and (CONFIGURATION_NAME=="Debug" or CONFIGURATION_NAME=="Debug_x64")', {
-      'variables': {
-        'files': [
-          '<(PRODUCT_DIR)/msvcp140d.dll',
-          '<(PRODUCT_DIR)/vccorlib140d.dll',
-          '<(PRODUCT_DIR)/vcruntime140d.dll',
-          '<(PRODUCT_DIR)/ucrtbased.dll',
-        ],
-      },
-    }],
-    ['OS=="win" and (msvs_version==2015 or msvs_version==2017) and component=="shared_library" and (CONFIGURATION_NAME=="Release" or CONFIGURATION_NAME=="Release_x64")', {
-      'variables': {
-        'files': [
-          '<(PRODUCT_DIR)/msvcp140.dll',
-          '<(PRODUCT_DIR)/vccorlib140.dll',
-          '<(PRODUCT_DIR)/vcruntime140.dll',
-          '<(PRODUCT_DIR)/ucrtbase.dll',
-        ],
-      },
-    }],
-    ['OS=="win" and (msvs_version==2015 or msvs_version==2017) and component=="shared_library"', {
-      # Windows 10 Universal C Runtime binaries.
-      'variables': {
-        'files': [
-          '<(PRODUCT_DIR)/api-ms-win-core-console-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-datetime-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-debug-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-errorhandling-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-file-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-file-l1-2-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-file-l2-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-handle-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-heap-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-interlocked-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-libraryloader-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-localization-l1-2-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-memory-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-namedpipe-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-processenvironment-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-processthreads-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-processthreads-l1-1-1.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-profile-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-rtlsupport-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-string-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-synch-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-synch-l1-2-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-sysinfo-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-timezone-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-core-util-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-conio-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-convert-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-environment-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-filesystem-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-heap-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-locale-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-math-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-multibyte-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-private-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-process-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-runtime-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-stdio-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-string-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-time-l1-1-0.dll',
-          '<(PRODUCT_DIR)/api-ms-win-crt-utility-l1-1-0.dll',
-        ],
-      },
-    }],
-  ],
-}