deps: update V8 to 5.4.500.27

Pick up latest commit from the 5.4-lkgr branch.

deps: edit V8 gitignore to allow trace event copy
deps: update V8 trace event to 315bf1e2d45be7d53346c31cfcc37424a32c30c8
deps: edit V8 gitignore to allow gtest_prod.h copy
deps: update V8 gtest to 6f8a66431cb592dad629028a50b3dd418a408c87

PR-URL: https://github.com/nodejs/node/pull/8317
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>

1 files changed, 713 insertions, 302 deletions

diff --git a/deps/v8/BUILD.gn b/deps/v8/BUILD.gn
index 28aca24afc..dcefe3706b 100644
--- a/deps/v8/BUILD.gn
+++ b/deps/v8/BUILD.gn
@@ -4,6 +4,7 @@
 
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
+import("//build/config/dcheck_always_on.gni")
 import("//build/config/mips.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 
@@ -11,16 +12,55 @@ if (is_android) {
   import("//build/config/android/rules.gni")
 }
 
-# Because standalone V8 builds are not supported, assume this is part of a
-# Chromium build.
+import("gni/v8.gni")
+import("gni/isolate.gni")
 import("//build_overrides/v8.gni")
 
 import("snapshot_toolchain.gni")
 
 declare_args() {
-  # Enable the snapshot feature, for fast context creation.
-  # http://v8project.blogspot.com/2015/09/custom-startup-snapshots.html
-  v8_use_snapshot = true
+  # Print to stdout on Android.
+  v8_android_log_stdout = false
+
+  # Sets -DVERIFY_HEAP.
+  v8_enable_verify_heap = false
+
+  # Enable compiler warnings when using V8_DEPRECATED apis.
+  v8_deprecation_warnings = false
+
+  # Enable compiler warnings when using V8_DEPRECATE_SOON apis.
+  v8_imminent_deprecation_warnings = ""
+
+  # Embeds the given script into the snapshot.
+  v8_embed_script = ""
+
+  # Sets -dENABLE_DISASSEMBLER.
+  v8_enable_disassembler = ""
+
+  # Sets -dENABLE_GDB_JIT_INTERFACE.
+  v8_enable_gdbjit = ""
+
+  # Sets -dENABLE_HANDLE_ZAPPING.
+  v8_enable_handle_zapping = is_debug
+
+  # Enable ECMAScript Internationalization API. Enabling this feature will
+  # add a dependency on the ICU library.
+  v8_enable_i18n_support = true
+
+  # Enable slow dchecks.
+  v8_enable_slow_dchecks = false
+
+  # Interpreted regexp engine exists as platform-independent alternative
+  # based where the regular expression is compiled to a bytecode.
+  v8_interpreted_regexp = false
+
+  # Sets -dOBJECT_PRINT.
+  v8_object_print = ""
+
+  # With post mortem support enabled, metadata is embedded into libv8 that
+  # describes various parameters of the VM for use by debuggers. See
+  # tools/gen-postmortem-metadata.py for details.
+  v8_postmortem_support = false
 
   # Similar to vfp but on MIPS.
   v8_can_use_fpu_instructions = true
@@ -29,38 +69,35 @@ declare_args() {
   v8_use_mips_abi_hardfloat = true
 }
 
-# TODO(jochen): These will need to be user-settable to support standalone V8
-# builds.
-v8_deprecation_warnings = false
-v8_enable_disassembler = false
-v8_enable_gdbjit = false
-v8_enable_handle_zapping = false
-v8_enable_i18n_support = true
-v8_enable_verify_heap = false
-v8_interpreted_regexp = false
-v8_object_print = false
-v8_postmortem_support = false
-v8_random_seed = "314159265"
-v8_toolset_for_d8 = "host"
-
-if (is_msan) {
-  # Running the V8-generated code on an ARM simulator is a powerful hack that
-  # allows the tool to see the memory accesses from JITted code. Without this
-  # flag, JS code causes false positive reports from MSan.
-  v8_target_arch = "arm64"
-} else {
-  v8_target_arch = target_cpu
+# Set project-specific defaults for some args if not provided in args.gn. The
+# defaults can be set in the respective build_overrides files.
+if (v8_imminent_deprecation_warnings == "") {
+  if (defined(v8_imminent_deprecation_warnings_default)) {
+    v8_imminent_deprecation_warnings = v8_imminent_deprecation_warnings_default
+  } else {
+    v8_imminent_deprecation_warnings = false
+  }
+}
+if (v8_enable_gdbjit == "") {
+  if (defined(v8_enable_gdbjit_default)) {
+    v8_enable_gdbjit = v8_enable_gdbjit_default
+  } else {
+    v8_enable_gdbjit = false
+  }
 }
 
-if (v8_use_snapshot && v8_use_external_startup_data) {
-  snapshot_target = ":v8_external_snapshot"
-} else if (v8_use_snapshot) {
-  snapshot_target = ":v8_snapshot"
-} else {
-  assert(!v8_use_external_startup_data)
-  snapshot_target = ":v8_nosnapshot"
+# Derived defaults.
+if (v8_object_print == "") {
+  v8_object_print = is_debug && !v8_optimized_debug
+}
+if (v8_enable_disassembler == "") {
+  v8_enable_disassembler = is_debug && !v8_optimized_debug
 }
 
+v8_generated_peephole_source = "$target_gen_dir/bytecode-peephole-table.cc"
+v8_random_seed = "314159265"
+v8_toolset_for_shell = "host"
+
 ###############################################################################
 # Configurations
 #
@@ -88,6 +125,11 @@ config("libplatform_config") {
   include_dirs = [ "include" ]
 }
 
+# This config should be applied to code using the libsampler.
+config("libsampler_config") {
+  include_dirs = [ "include" ]
+}
+
 # This config should only be applied to code using V8 and not any V8 code
 # itself.
 config("external_config") {
@@ -98,6 +140,10 @@ config("external_config") {
     ]
   }
   include_dirs = [ "include" ]
+  libs = []
+  if (is_android && current_toolchain != host_toolchain) {
+    libs += [ "log" ]
+  }
 }
 
 # This config should only be applied to code that needs to be explicitly
@@ -113,31 +159,34 @@ config("features") {
 
   defines = []
 
-  if (v8_enable_disassembler == true) {
+  if (v8_enable_disassembler) {
     defines += [ "ENABLE_DISASSEMBLER" ]
   }
-  if (v8_enable_gdbjit == true) {
+  if (v8_enable_gdbjit) {
     defines += [ "ENABLE_GDB_JIT_INTERFACE" ]
   }
-  if (v8_object_print == true) {
+  if (v8_object_print) {
     defines += [ "OBJECT_PRINT" ]
   }
-  if (v8_enable_verify_heap == true) {
+  if (v8_enable_verify_heap) {
     defines += [ "VERIFY_HEAP" ]
   }
-  if (v8_interpreted_regexp == true) {
+  if (v8_interpreted_regexp) {
     defines += [ "V8_INTERPRETED_REGEXP" ]
   }
-  if (v8_deprecation_warnings == true) {
+  if (v8_deprecation_warnings) {
     defines += [ "V8_DEPRECATION_WARNINGS" ]
   }
-  if (v8_enable_i18n_support == true) {
+  if (v8_imminent_deprecation_warnings) {
+    defines += [ "V8_IMMINENT_DEPRECATION_WARNINGS" ]
+  }
+  if (v8_enable_i18n_support) {
     defines += [ "V8_I18N_SUPPORT" ]
   }
-  if (v8_enable_handle_zapping == true) {
+  if (v8_enable_handle_zapping) {
     defines += [ "ENABLE_HANDLE_ZAPPING" ]
   }
-  if (v8_use_external_startup_data == true) {
+  if (v8_use_external_startup_data) {
     defines += [ "V8_USE_EXTERNAL_STARTUP_DATA" ]
   }
 }
@@ -147,8 +196,9 @@ config("toolchain") {
 
   defines = []
   cflags = []
+  ldflags = []
 
-  if (v8_target_arch == "arm") {
+  if (v8_current_cpu == "arm") {
     defines += [ "V8_TARGET_ARCH_ARM" ]
     if (arm_version == 7) {
       defines += [ "CAN_USE_ARMV7_INSTRUCTIONS" ]
@@ -167,6 +217,7 @@ config("toolchain") {
         "CAN_USE_NEON",
       ]
     }
+
     # TODO(jochen): Add support for arm_test_noprobe.
 
     if (current_cpu != "arm") {
@@ -178,11 +229,12 @@ config("toolchain") {
       }
     }
   }
-  if (v8_target_arch == "arm64") {
+  if (v8_current_cpu == "arm64") {
     defines += [ "V8_TARGET_ARCH_ARM64" ]
   }
+
   # TODO(jochen): Add support for mips.
-  if (v8_target_arch == "mipsel") {
+  if (v8_current_cpu == "mipsel") {
     defines += [ "V8_TARGET_ARCH_MIPS" ]
     if (v8_can_use_fpu_instructions) {
       defines += [ "CAN_USE_FPU_INSTRUCTIONS" ]
@@ -212,14 +264,17 @@ config("toolchain") {
     } else if (mips_arch_variant == "r1") {
       defines += [ "FPU_MODE_FP32" ]
     }
+
     # TODO(jochen): Add support for mips_arch_variant rx and loongson.
   }
+
   # TODO(jochen): Add support for mips64.
-  if (v8_target_arch == "mips64el") {
+  if (v8_current_cpu == "mips64el") {
     defines += [ "V8_TARGET_ARCH_MIPS64" ]
     if (v8_can_use_fpu_instructions) {
       defines += [ "CAN_USE_FPU_INSTRUCTIONS" ]
     }
+
     # TODO(jochen): Add support for big endian host byteorder.
     defines += [ "V8_TARGET_ARCH_MIPS64_LE" ]
     if (v8_use_mips_abi_hardfloat) {
@@ -236,30 +291,43 @@ config("toolchain") {
       defines += [ "_MIPS_ARCH_MIPS64R2" ]
     }
   }
-  if (v8_target_arch == "s390") {
+  if (v8_current_cpu == "s390" || v8_current_cpu == "s390x") {
     defines += [ "V8_TARGET_ARCH_S390" ]
-  } 
-  if (v8_target_arch == "s390x") {
-    defines += [
-      "V8_TARGET_ARCH_S390",
-      "V8_TARGET_ARCH_S390X",
-    ]
+    if (v8_current_cpu == "s390x") {
+      defines += [ "V8_TARGET_ARCH_S390X" ]
+    }
+    if (host_cpu == "x64" || host_cpu == "x86") {
+      defines += [ "V8_TARGET_ARCH_S390_LE_SIM" ]
+    }
   }
-  if (v8_target_arch == "x86") {
+  if (v8_current_cpu == "x86") {
     defines += [ "V8_TARGET_ARCH_IA32" ]
+    if (is_win) {
+      # Ensure no surprising artifacts from 80bit double math with x86.
+      cflags += [ "/arch:SSE2" ]
+    }
   }
-  if (v8_target_arch == "x64") {
+  if (v8_current_cpu == "x64") {
     defines += [ "V8_TARGET_ARCH_X64" ]
+    if (is_win) {
+      # Increase the initial stack size. The default is 1MB, this is 2MB. This
+      # applies only to executables and shared libraries produced by V8 since
+      # ldflags are not pushed to dependants.
+      ldflags += [ "/STACK:2097152" ]
+    }
   }
-     
-  if (is_win) {
-    defines += [ "WIN32" ]
-    # TODO(jochen): Support v8_enable_prof.
+  if (is_android && v8_android_log_stdout) {
+    defines += [ "V8_ANDROID_LOG_STDOUT" ]
   }
 
+  # TODO(jochen): Support v8_enable_prof on Windows.
   # TODO(jochen): Add support for compiling with simulators.
 
   if (is_debug) {
+    if (is_linux && v8_enable_backtrace) {
+      ldflags += [ "-rdynamic" ]
+    }
+
     # TODO(jochen): Add support for different debug optimization levels.
     defines += [
       "ENABLE_DISASSEMBLER",
@@ -267,8 +335,13 @@ config("toolchain") {
       "OBJECT_PRINT",
       "VERIFY_HEAP",
       "DEBUG",
-      "OPTIMIZED_DEBUG",
+      "TRACE_MAPS",
     ]
+    if (v8_enable_slow_dchecks) {
+      defines += [ "ENABLE_SLOW_DCHECKS" ]
+    }
+  } else if (dcheck_always_on) {
+    defines += [ "DEBUG" ]
   }
 }
 
@@ -297,21 +370,16 @@ action("js2c") {
     "src/js/symbol.js",
     "src/js/array.js",
     "src/js/string.js",
-    "src/js/uri.js",
     "src/js/math.js",
-    "src/third_party/fdlibm/fdlibm.js",
     "src/js/regexp.js",
     "src/js/arraybuffer.js",
     "src/js/typedarray.js",
     "src/js/iterator-prototype.js",
-    "src/js/generator.js",
-    "src/js/object-observe.js",
     "src/js/collection.js",
     "src/js/weak-collection.js",
     "src/js/collection-iterator.js",
     "src/js/promise.js",
     "src/js/messages.js",
-    "src/js/json.js",
     "src/js/array-iterator.js",
     "src/js/string-iterator.js",
     "src/js/templates.js",
@@ -359,22 +427,23 @@ action("js2c_experimental") {
   sources = [
     "src/js/macros.py",
     "src/messages.h",
-    "src/js/generator.js",
+    "src/js/harmony-async-await.js",
     "src/js/harmony-atomics.js",
-    "src/js/harmony-regexp-exec.js",
-    "src/js/harmony-object-observe.js",
-    "src/js/harmony-sharedarraybuffer.js",
     "src/js/harmony-simd.js",
-    "src/js/harmony-species.js",
-    "src/js/harmony-unicode-regexps.js",
     "src/js/harmony-string-padding.js",
-    "src/js/promise-extra.js",
   ]
 
   outputs = [
     "$target_gen_dir/experimental-libraries.cc",
   ]
 
+  if (v8_enable_i18n_support) {
+    sources += [
+      "src/js/icu-case-mapping.js",
+      "src/js/intl-extra.js",
+    ]
+  }
+
   args = [
            rebase_path("$target_gen_dir/experimental-libraries.cc",
                        root_build_dir),
@@ -473,14 +542,22 @@ action("d8_js2c") {
          rebase_path(inputs, root_build_dir)
 }
 
-if (is_android) {
+if (is_android && enable_java_templates) {
   android_assets("v8_external_startup_data_assets") {
     if (v8_use_external_startup_data) {
       deps = [
         "//v8",
       ]
-      renaming_sources = v8_external_startup_data_renaming_sources
-      renaming_destinations = v8_external_startup_data_renaming_destinations
+      sources = [
+        "$root_out_dir/natives_blob.bin",
+      ]
+      renaming_sources = [ "$root_out_dir/snapshot_blob.bin" ]
+      if (current_cpu == "arm" || current_cpu == "x86" ||
+          current_cpu == "mipsel") {
+        renaming_destinations = [ "snapshot_blob_32.bin" ]
+      } else {
+        renaming_destinations = [ "snapshot_blob_64.bin" ]
+      }
       disable_compression = true
     }
   }
@@ -543,17 +620,19 @@ action("run_mksnapshot") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
   deps = [
-    ":mksnapshot($snapshot_toolchain)",
+    ":mksnapshot($v8_snapshot_toolchain)",
   ]
 
   script = "tools/run.py"
 
+  sources = []
+
   outputs = [
     "$target_gen_dir/snapshot.cc",
   ]
 
   args = [
-    "./" + rebase_path(get_label_info(":mksnapshot($snapshot_toolchain)",
+    "./" + rebase_path(get_label_info(":mksnapshot($v8_snapshot_toolchain)",
                                       "root_out_dir") + "/mksnapshot",
                        root_build_dir),
     "--startup_src",
@@ -574,13 +653,79 @@ action("run_mksnapshot") {
       rebase_path("$root_out_dir/snapshot_blob.bin", root_build_dir),
     ]
   }
+
+  if (v8_embed_script != "") {
+    sources += [ v8_embed_script ]
+    args += [ rebase_path(v8_embed_script, root_build_dir) ]
+  }
+}
+
+action("run_mkpeephole") {
+  visibility = [ ":*" ]  # Only targets in this file can depend on this.
+
+  deps = [
+    ":mkpeephole($v8_snapshot_toolchain)",
+  ]
+
+  outputs = [
+    v8_generated_peephole_source,
+  ]
+
+  sources = []
+
+  script = "tools/run.py"
+
+  args = [
+    "./" + rebase_path(get_label_info(":mkpeephole($v8_snapshot_toolchain)",
+                                      "root_out_dir") + "/mkpeephole",
+                       root_build_dir),
+    rebase_path(v8_generated_peephole_source, root_build_dir),
+  ]
+}
+
+action("v8_dump_build_config") {
+  script = "tools/testrunner/utils/dump_build_config.py"
+  outputs = [
+    "$root_out_dir/v8_build_config.json",
+  ]
+  args = [
+    rebase_path("$root_out_dir/v8_build_config.json", root_build_dir),
+    "dcheck_always_on=$dcheck_always_on",
+    "is_asan=$is_asan",
+    "is_cfi=$is_cfi",
+    "is_component_build=$is_component_build",
+    "is_debug=$is_debug",
+    "is_msan=$is_msan",
+    "is_tsan=$is_tsan",
+    "target_cpu=\"$target_cpu\"",
+    "v8_enable_i18n_support=$v8_enable_i18n_support",
+    "v8_target_cpu=\"$v8_target_cpu\"",
+    "v8_use_snapshot=$v8_use_snapshot",
+  ]
 }
 
 ###############################################################################
 # Source Sets (aka static libraries)
 #
 
-source_set("v8_nosnapshot") {
+source_set("v8_maybe_snapshot") {
+  if (v8_use_snapshot && v8_use_external_startup_data) {
+    public_deps = [
+      ":v8_external_snapshot",
+    ]
+  } else if (v8_use_snapshot) {
+    public_deps = [
+      ":v8_snapshot",
+    ]
+  } else {
+    # Ignore v8_use_external_startup_data setting if no snapshot is used.
+    public_deps = [
+      ":v8_nosnapshot",
+    ]
+  }
+}
+
+v8_source_set("v8_nosnapshot") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
   deps = [
@@ -599,16 +744,10 @@ source_set("v8_nosnapshot") {
     "src/snapshot/snapshot-empty.cc",
   ]
 
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-  configs += [
-    ":internal_config",
-    ":features",
-    ":toolchain",
-  ]
+  configs = [ ":internal_config" ]
 }
 
-source_set("v8_snapshot") {
+v8_source_set("v8_snapshot") {
   # Only targets in this file and the top-level visibility target can
   # depend on this.
   visibility = [
@@ -637,17 +776,11 @@ source_set("v8_snapshot") {
     "$target_gen_dir/snapshot.cc",
   ]
 
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-  configs += [
-    ":internal_config",
-    ":features",
-    ":toolchain",
-  ]
+  configs = [ ":internal_config" ]
 }
 
 if (v8_use_external_startup_data) {
-  source_set("v8_external_snapshot") {
+  v8_source_set("v8_external_snapshot") {
     visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
     deps = [
@@ -667,22 +800,15 @@ if (v8_use_external_startup_data) {
       "src/snapshot/snapshot-external.cc",
     ]
 
-    configs -= [ "//build/config/compiler:chromium_code" ]
-    configs += [ "//build/config/compiler:no_chromium_code" ]
-    configs += [
-      ":internal_config",
-      ":features",
-      ":toolchain",
-    ]
+    configs = [ ":internal_config" ]
   }
 }
 
-source_set("v8_base") {
+v8_source_set("v8_base") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
   sources = [
-    # TODO(fmeawad): This needs to be updated to support standalone V8 builds.
-    "../base/trace_event/common/trace_event_common.h",
+    "//base/trace_event/common/trace_event_common.h",
     "include/v8-debug.h",
     "include/v8-experimental.h",
     "include/v8-platform.h",
@@ -700,6 +826,7 @@ source_set("v8_base") {
     "src/allocation-site-scopes.h",
     "src/allocation.cc",
     "src/allocation.h",
+    "src/api-arguments-inl.h",
     "src/api-arguments.cc",
     "src/api-arguments.h",
     "src/api-experimental.cc",
@@ -710,22 +837,32 @@ source_set("v8_base") {
     "src/api.h",
     "src/arguments.cc",
     "src/arguments.h",
+    "src/asmjs/asm-js.cc",
+    "src/asmjs/asm-js.h",
+    "src/asmjs/asm-typer.cc",
+    "src/asmjs/asm-typer.h",
+    "src/asmjs/asm-types.cc",
+    "src/asmjs/asm-types.h",
+    "src/asmjs/asm-wasm-builder.cc",
+    "src/asmjs/asm-wasm-builder.h",
     "src/assembler.cc",
     "src/assembler.h",
     "src/assert-scope.cc",
     "src/assert-scope.h",
     "src/ast/ast-expression-rewriter.cc",
     "src/ast/ast-expression-rewriter.h",
-    "src/ast/ast-expression-visitor.cc",
-    "src/ast/ast-expression-visitor.h",
     "src/ast/ast-literal-reindexer.cc",
     "src/ast/ast-literal-reindexer.h",
     "src/ast/ast-numbering.cc",
     "src/ast/ast-numbering.h",
+    "src/ast/ast-traversal-visitor.h",
+    "src/ast/ast-type-bounds.h",
     "src/ast/ast-value-factory.cc",
     "src/ast/ast-value-factory.h",
     "src/ast/ast.cc",
     "src/ast/ast.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",
@@ -736,7 +873,6 @@ source_set("v8_base") {
     "src/ast/scopes.h",
     "src/ast/variables.cc",
     "src/ast/variables.h",
-    "src/atomic-utils.h",
     "src/background-parsing-task.cc",
     "src/background-parsing-task.h",
     "src/bailout-reason.cc",
@@ -751,8 +887,36 @@ source_set("v8_base") {
     "src/bit-vector.h",
     "src/bootstrapper.cc",
     "src/bootstrapper.h",
-    "src/builtins.cc",
-    "src/builtins.h",
+    "src/builtins/builtins-api.cc",
+    "src/builtins/builtins-array.cc",
+    "src/builtins/builtins-arraybuffer.cc",
+    "src/builtins/builtins-boolean.cc",
+    "src/builtins/builtins-call.cc",
+    "src/builtins/builtins-callsite.cc",
+    "src/builtins/builtins-conversion.cc",
+    "src/builtins/builtins-dataview.cc",
+    "src/builtins/builtins-date.cc",
+    "src/builtins/builtins-debug.cc",
+    "src/builtins/builtins-error.cc",
+    "src/builtins/builtins-function.cc",
+    "src/builtins/builtins-generator.cc",
+    "src/builtins/builtins-global.cc",
+    "src/builtins/builtins-handler.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-proxy.cc",
+    "src/builtins/builtins-reflect.cc",
+    "src/builtins/builtins-sharedarraybuffer.cc",
+    "src/builtins/builtins-string.cc",
+    "src/builtins/builtins-symbol.cc",
+    "src/builtins/builtins-typedarray.cc",
+    "src/builtins/builtins-utils.h",
+    "src/builtins/builtins.cc",
+    "src/builtins/builtins.h",
     "src/cached-powers.cc",
     "src/cached-powers.h",
     "src/cancelable-task.cc",
@@ -761,8 +925,11 @@ source_set("v8_base") {
     "src/char-predicates.cc",
     "src/char-predicates.h",
     "src/checks.h",
+    "src/code-events.h",
     "src/code-factory.cc",
     "src/code-factory.h",
+    "src/code-stub-assembler.cc",
+    "src/code-stub-assembler.h",
     "src/code-stubs-hydrogen.cc",
     "src/code-stubs.cc",
     "src/code-stubs.h",
@@ -775,6 +942,10 @@ source_set("v8_base") {
     "src/compilation-dependencies.h",
     "src/compilation-statistics.cc",
     "src/compilation-statistics.h",
+    "src/compiler-dispatcher/compiler-dispatcher-job.cc",
+    "src/compiler-dispatcher/compiler-dispatcher-job.h",
+    "src/compiler-dispatcher/optimizing-compile-dispatcher.cc",
+    "src/compiler-dispatcher/optimizing-compile-dispatcher.h",
     "src/compiler.cc",
     "src/compiler.h",
     "src/compiler/access-builder.cc",
@@ -795,16 +966,16 @@ source_set("v8_base") {
     "src/compiler/bytecode-branch-analysis.h",
     "src/compiler/bytecode-graph-builder.cc",
     "src/compiler/bytecode-graph-builder.h",
+    "src/compiler/bytecode-loop-analysis.cc",
+    "src/compiler/bytecode-loop-analysis.h",
     "src/compiler/c-linkage.cc",
-    "src/compiler/change-lowering.cc",
-    "src/compiler/change-lowering.h",
-    "src/compiler/coalesced-live-ranges.cc",
-    "src/compiler/coalesced-live-ranges.h",
+    "src/compiler/checkpoint-elimination.cc",
+    "src/compiler/checkpoint-elimination.h",
+    "src/compiler/code-assembler.cc",
+    "src/compiler/code-assembler.h",
     "src/compiler/code-generator-impl.h",
     "src/compiler/code-generator.cc",
     "src/compiler/code-generator.h",
-    "src/compiler/code-stub-assembler.cc",
-    "src/compiler/code-stub-assembler.h",
     "src/compiler/common-node-cache.cc",
     "src/compiler/common-node-cache.h",
     "src/compiler/common-operator-reducer.cc",
@@ -820,6 +991,8 @@ source_set("v8_base") {
     "src/compiler/dead-code-elimination.cc",
     "src/compiler/dead-code-elimination.h",
     "src/compiler/diamond.h",
+    "src/compiler/effect-control-linearizer.cc",
+    "src/compiler/effect-control-linearizer.h",
     "src/compiler/escape-analysis-reducer.cc",
     "src/compiler/escape-analysis-reducer.h",
     "src/compiler/escape-analysis.cc",
@@ -842,8 +1015,6 @@ source_set("v8_base") {
     "src/compiler/graph-visualizer.h",
     "src/compiler/graph.cc",
     "src/compiler/graph.h",
-    "src/compiler/greedy-allocator.cc",
-    "src/compiler/greedy-allocator.h",
     "src/compiler/instruction-codes.h",
     "src/compiler/instruction-scheduler.cc",
     "src/compiler/instruction-scheduler.h",
@@ -895,10 +1066,15 @@ source_set("v8_base") {
     "src/compiler/loop-analysis.cc",
     "src/compiler/loop-analysis.h",
     "src/compiler/loop-peeling.cc",
+    "src/compiler/loop-peeling.h",
+    "src/compiler/loop-variable-optimizer.cc",
+    "src/compiler/loop-variable-optimizer.h",
     "src/compiler/machine-operator-reducer.cc",
     "src/compiler/machine-operator-reducer.h",
     "src/compiler/machine-operator.cc",
     "src/compiler/machine-operator.h",
+    "src/compiler/memory-optimizer.cc",
+    "src/compiler/memory-optimizer.h",
     "src/compiler/move-optimizer.cc",
     "src/compiler/move-optimizer.h",
     "src/compiler/node-aux-data.h",
@@ -914,6 +1090,8 @@ source_set("v8_base") {
     "src/compiler/node.h",
     "src/compiler/opcodes.cc",
     "src/compiler/opcodes.h",
+    "src/compiler/operation-typer.cc",
+    "src/compiler/operation-typer.h",
     "src/compiler/operator-properties.cc",
     "src/compiler/operator-properties.h",
     "src/compiler/operator.cc",
@@ -926,6 +1104,8 @@ source_set("v8_base") {
     "src/compiler/pipeline.h",
     "src/compiler/raw-machine-assembler.cc",
     "src/compiler/raw-machine-assembler.h",
+    "src/compiler/redundancy-elimination.cc",
+    "src/compiler/redundancy-elimination.h",
     "src/compiler/register-allocator-verifier.cc",
     "src/compiler/register-allocator-verifier.h",
     "src/compiler/register-allocator.cc",
@@ -948,6 +1128,8 @@ source_set("v8_base") {
     "src/compiler/source-position.h",
     "src/compiler/state-values-utils.cc",
     "src/compiler/state-values-utils.h",
+    "src/compiler/store-store-elimination.cc",
+    "src/compiler/store-store-elimination.h",
     "src/compiler/tail-call-optimization.cc",
     "src/compiler/tail-call-optimization.h",
     "src/compiler/type-hint-analyzer.cc",
@@ -956,6 +1138,7 @@ source_set("v8_base") {
     "src/compiler/type-hints.h",
     "src/compiler/typer.cc",
     "src/compiler/typer.h",
+    "src/compiler/unwinding-info-writer.h",
     "src/compiler/value-numbering-reducer.cc",
     "src/compiler/value-numbering-reducer.h",
     "src/compiler/verifier.cc",
@@ -973,6 +1156,7 @@ source_set("v8_base") {
     "src/conversions-inl.h",
     "src/conversions.cc",
     "src/conversions.h",
+    "src/counters-inl.h",
     "src/counters.cc",
     "src/counters.h",
     "src/crankshaft/compilation-phase.cc",
@@ -1052,6 +1236,8 @@ source_set("v8_base") {
     "src/debug/debug.h",
     "src/debug/liveedit.cc",
     "src/debug/liveedit.h",
+    "src/deoptimize-reason.cc",
+    "src/deoptimize-reason.h",
     "src/deoptimizer.cc",
     "src/deoptimizer.h",
     "src/disasm.h",
@@ -1063,6 +1249,8 @@ source_set("v8_base") {
     "src/dtoa.cc",
     "src/dtoa.h",
     "src/effects.h",
+    "src/eh-frame.cc",
+    "src/eh-frame.h",
     "src/elements-kind.cc",
     "src/elements-kind.h",
     "src/elements.cc",
@@ -1075,6 +1263,8 @@ source_set("v8_base") {
     "src/extensions/free-buffer-extension.h",
     "src/extensions/gc-extension.cc",
     "src/extensions/gc-extension.h",
+    "src/extensions/ignition-statistics-extension.cc",
+    "src/extensions/ignition-statistics-extension.h",
     "src/extensions/statistics-extension.cc",
     "src/extensions/statistics-extension.h",
     "src/extensions/trigger-failure-extension.cc",
@@ -1111,10 +1301,12 @@ source_set("v8_base") {
     "src/handles-inl.h",
     "src/handles.cc",
     "src/handles.h",
-    "src/hashmap.h",
     "src/heap-symbols.h",
+    "src/heap/array-buffer-tracker-inl.h",
     "src/heap/array-buffer-tracker.cc",
     "src/heap/array-buffer-tracker.h",
+    "src/heap/code-stats.cc",
+    "src/heap/code-stats.h",
     "src/heap/gc-idle-time-handler.cc",
     "src/heap/gc-idle-time-handler.h",
     "src/heap/gc-tracer.cc",
@@ -1129,6 +1321,7 @@ source_set("v8_base") {
     "src/heap/mark-compact-inl.h",
     "src/heap/mark-compact.cc",
     "src/heap/mark-compact.h",
+    "src/heap/marking.h",
     "src/heap/memory-reducer.cc",
     "src/heap/memory-reducer.h",
     "src/heap/object-stats.cc",
@@ -1177,10 +1370,29 @@ source_set("v8_base") {
     "src/interpreter/bytecode-array-builder.h",
     "src/interpreter/bytecode-array-iterator.cc",
     "src/interpreter/bytecode-array-iterator.h",
+    "src/interpreter/bytecode-array-writer.cc",
+    "src/interpreter/bytecode-array-writer.h",
+    "src/interpreter/bytecode-dead-code-optimizer.cc",
+    "src/interpreter/bytecode-dead-code-optimizer.h",
+    "src/interpreter/bytecode-decoder.cc",
+    "src/interpreter/bytecode-decoder.h",
+    "src/interpreter/bytecode-flags.cc",
+    "src/interpreter/bytecode-flags.h",
     "src/interpreter/bytecode-generator.cc",
     "src/interpreter/bytecode-generator.h",
+    "src/interpreter/bytecode-label.cc",
+    "src/interpreter/bytecode-label.h",
+    "src/interpreter/bytecode-peephole-optimizer.cc",
+    "src/interpreter/bytecode-peephole-optimizer.h",
+    "src/interpreter/bytecode-peephole-table.h",
+    "src/interpreter/bytecode-pipeline.cc",
+    "src/interpreter/bytecode-pipeline.h",
     "src/interpreter/bytecode-register-allocator.cc",
     "src/interpreter/bytecode-register-allocator.h",
+    "src/interpreter/bytecode-register-optimizer.cc",
+    "src/interpreter/bytecode-register-optimizer.h",
+    "src/interpreter/bytecode-register.cc",
+    "src/interpreter/bytecode-register.h",
     "src/interpreter/bytecode-traits.h",
     "src/interpreter/bytecodes.cc",
     "src/interpreter/bytecodes.h",
@@ -1196,12 +1408,12 @@ source_set("v8_base") {
     "src/interpreter/interpreter-intrinsics.h",
     "src/interpreter/interpreter.cc",
     "src/interpreter/interpreter.h",
-    "src/interpreter/source-position-table.cc",
-    "src/interpreter/source-position-table.h",
     "src/isolate-inl.h",
     "src/isolate.cc",
     "src/isolate.h",
+    "src/json-parser.cc",
     "src/json-parser.h",
+    "src/json-stringifier.cc",
     "src/json-stringifier.h",
     "src/keys.cc",
     "src/keys.h",
@@ -1230,8 +1442,6 @@ source_set("v8_base") {
     "src/objects-printer.cc",
     "src/objects.cc",
     "src/objects.h",
-    "src/optimizing-compile-dispatcher.cc",
-    "src/optimizing-compile-dispatcher.h",
     "src/ostreams.cc",
     "src/ostreams.h",
     "src/parsing/expression-classifier.h",
@@ -1239,6 +1449,8 @@ source_set("v8_base") {
     "src/parsing/func-name-inferrer.h",
     "src/parsing/parameter-initializer-rewriter.cc",
     "src/parsing/parameter-initializer-rewriter.h",
+    "src/parsing/parse-info.cc",
+    "src/parsing/parse-info.h",
     "src/parsing/parser-base.h",
     "src/parsing/parser.cc",
     "src/parsing/parser.h",
@@ -1275,12 +1487,14 @@ source_set("v8_base") {
     "src/profiler/profile-generator-inl.h",
     "src/profiler/profile-generator.cc",
     "src/profiler/profile-generator.h",
-    "src/profiler/sampler.cc",
-    "src/profiler/sampler.h",
+    "src/profiler/profiler-listener.cc",
+    "src/profiler/profiler-listener.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/unbound-queue-inl.h",
     "src/profiler/unbound-queue.h",
     "src/property-descriptor.cc",
@@ -1319,6 +1533,7 @@ source_set("v8_base") {
     "src/runtime/runtime-compiler.cc",
     "src/runtime/runtime-date.cc",
     "src/runtime/runtime-debug.cc",
+    "src/runtime/runtime-error.cc",
     "src/runtime/runtime-forin.cc",
     "src/runtime/runtime-function.cc",
     "src/runtime/runtime-futex.cc",
@@ -1326,13 +1541,11 @@ source_set("v8_base") {
     "src/runtime/runtime-i18n.cc",
     "src/runtime/runtime-internal.cc",
     "src/runtime/runtime-interpreter.cc",
-    "src/runtime/runtime-json.cc",
     "src/runtime/runtime-literals.cc",
     "src/runtime/runtime-liveedit.cc",
     "src/runtime/runtime-maths.cc",
     "src/runtime/runtime-numbers.cc",
     "src/runtime/runtime-object.cc",
-    "src/runtime/runtime-observe.cc",
     "src/runtime/runtime-operators.cc",
     "src/runtime/runtime-proxy.cc",
     "src/runtime/runtime-regexp.cc",
@@ -1342,8 +1555,8 @@ source_set("v8_base") {
     "src/runtime/runtime-symbol.cc",
     "src/runtime/runtime-test.cc",
     "src/runtime/runtime-typedarray.cc",
-    "src/runtime/runtime-uri.cc",
     "src/runtime/runtime-utils.h",
+    "src/runtime/runtime-wasm.cc",
     "src/runtime/runtime.cc",
     "src/runtime/runtime.h",
     "src/safepoint-table.cc",
@@ -1369,6 +1582,8 @@ source_set("v8_base") {
     "src/snapshot/snapshot.h",
     "src/snapshot/startup-serializer.cc",
     "src/snapshot/startup-serializer.h",
+    "src/source-position-table.cc",
+    "src/source-position-table.h",
     "src/source-position.h",
     "src/splay-tree-inl.h",
     "src/splay-tree.h",
@@ -1381,8 +1596,6 @@ source_set("v8_base") {
     "src/string-stream.h",
     "src/strtod.cc",
     "src/strtod.h",
-    "src/third_party/fdlibm/fdlibm.cc",
-    "src/third_party/fdlibm/fdlibm.h",
     "src/tracing/trace-event.cc",
     "src/tracing/trace-event.h",
     "src/transitions-inl.h",
@@ -1397,10 +1610,6 @@ source_set("v8_base") {
     "src/type-info.h",
     "src/types.cc",
     "src/types.h",
-    "src/typing-asm.cc",
-    "src/typing-asm.h",
-    "src/typing-reset.cc",
-    "src/typing-reset.h",
     "src/unicode-cache-inl.h",
     "src/unicode-cache.h",
     "src/unicode-decoder.cc",
@@ -1408,6 +1617,8 @@ source_set("v8_base") {
     "src/unicode-inl.h",
     "src/unicode.cc",
     "src/unicode.h",
+    "src/uri.cc",
+    "src/uri.h",
     "src/utils-inl.h",
     "src/utils.cc",
     "src/utils.h",
@@ -1416,20 +1627,30 @@ source_set("v8_base") {
     "src/v8memory.h",
     "src/v8threads.cc",
     "src/v8threads.h",
+    "src/value-serializer.cc",
+    "src/value-serializer.h",
     "src/version.cc",
     "src/version.h",
     "src/vm-state-inl.h",
     "src/vm-state.h",
-    "src/wasm/asm-wasm-builder.cc",
-    "src/wasm/asm-wasm-builder.h",
     "src/wasm/ast-decoder.cc",
     "src/wasm/ast-decoder.h",
     "src/wasm/decoder.h",
     "src/wasm/encoder.cc",
     "src/wasm/encoder.h",
+    "src/wasm/leb-helper.h",
     "src/wasm/module-decoder.cc",
     "src/wasm/module-decoder.h",
+    "src/wasm/switch-logic.cc",
+    "src/wasm/switch-logic.h",
+    "src/wasm/wasm-debug.cc",
+    "src/wasm/wasm-debug.h",
+    "src/wasm/wasm-external-refs.cc",
     "src/wasm/wasm-external-refs.h",
+    "src/wasm/wasm-function-name-table.cc",
+    "src/wasm/wasm-function-name-table.h",
+    "src/wasm/wasm-interpreter.cc",
+    "src/wasm/wasm-interpreter.h",
     "src/wasm/wasm-js.cc",
     "src/wasm/wasm-js.h",
     "src/wasm/wasm-macro-gen.h",
@@ -1445,8 +1666,9 @@ source_set("v8_base") {
     "src/zone.h",
   ]
 
-  if (v8_target_arch == "x86") {
+  if (v8_current_cpu == "x86") {
     sources += [
+      "src/builtins/ia32/builtins-ia32.cc",
       "src/compiler/ia32/code-generator-ia32.cc",
       "src/compiler/ia32/instruction-codes-ia32.h",
       "src/compiler/ia32/instruction-scheduler-ia32.cc",
@@ -1462,7 +1684,6 @@ source_set("v8_base") {
       "src/ia32/assembler-ia32-inl.h",
       "src/ia32/assembler-ia32.cc",
       "src/ia32/assembler-ia32.h",
-      "src/ia32/builtins-ia32.cc",
       "src/ia32/code-stubs-ia32.cc",
       "src/ia32/code-stubs-ia32.h",
       "src/ia32/codegen-ia32.cc",
@@ -1483,12 +1704,15 @@ source_set("v8_base") {
       "src/regexp/ia32/regexp-macro-assembler-ia32.cc",
       "src/regexp/ia32/regexp-macro-assembler-ia32.h",
     ]
-  } else if (v8_target_arch == "x64") {
+  } else if (v8_current_cpu == "x64") {
     sources += [
+      "src/builtins/x64/builtins-x64.cc",
       "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/crankshaft/x64/lithium-codegen-x64.cc",
       "src/crankshaft/x64/lithium-codegen-x64.h",
       "src/crankshaft/x64/lithium-gap-resolver-x64.cc",
@@ -1507,7 +1731,6 @@ source_set("v8_base") {
       "src/x64/assembler-x64-inl.h",
       "src/x64/assembler-x64.cc",
       "src/x64/assembler-x64.h",
-      "src/x64/builtins-x64.cc",
       "src/x64/code-stubs-x64.cc",
       "src/x64/code-stubs-x64.h",
       "src/x64/codegen-x64.cc",
@@ -1515,18 +1738,18 @@ source_set("v8_base") {
       "src/x64/cpu-x64.cc",
       "src/x64/deoptimizer-x64.cc",
       "src/x64/disasm-x64.cc",
+      "src/x64/eh-frame-x64.cc",
       "src/x64/frames-x64.cc",
       "src/x64/frames-x64.h",
       "src/x64/interface-descriptors-x64.cc",
       "src/x64/macro-assembler-x64.cc",
       "src/x64/macro-assembler-x64.h",
     ]
-  } else if (v8_target_arch == "arm") {
+  } else if (v8_current_cpu == "arm") {
     sources += [
       "src/arm/assembler-arm-inl.h",
       "src/arm/assembler-arm.cc",
       "src/arm/assembler-arm.h",
-      "src/arm/builtins-arm.cc",
       "src/arm/code-stubs-arm.cc",
       "src/arm/code-stubs-arm.h",
       "src/arm/codegen-arm.cc",
@@ -1536,6 +1759,7 @@ source_set("v8_base") {
       "src/arm/cpu-arm.cc",
       "src/arm/deoptimizer-arm.cc",
       "src/arm/disasm-arm.cc",
+      "src/arm/eh-frame-arm.cc",
       "src/arm/frames-arm.cc",
       "src/arm/frames-arm.h",
       "src/arm/interface-descriptors-arm.cc",
@@ -1544,10 +1768,13 @@ source_set("v8_base") {
       "src/arm/macro-assembler-arm.h",
       "src/arm/simulator-arm.cc",
       "src/arm/simulator-arm.h",
+      "src/builtins/arm/builtins-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/crankshaft/arm/lithium-arm.cc",
       "src/crankshaft/arm/lithium-arm.h",
       "src/crankshaft/arm/lithium-codegen-arm.cc",
@@ -1564,12 +1791,11 @@ source_set("v8_base") {
       "src/regexp/arm/regexp-macro-assembler-arm.cc",
       "src/regexp/arm/regexp-macro-assembler-arm.h",
     ]
-  } else if (v8_target_arch == "arm64") {
+  } else if (v8_current_cpu == "arm64") {
     sources += [
       "src/arm64/assembler-arm64-inl.h",
       "src/arm64/assembler-arm64.cc",
       "src/arm64/assembler-arm64.h",
-      "src/arm64/builtins-arm64.cc",
       "src/arm64/code-stubs-arm64.cc",
       "src/arm64/code-stubs-arm64.h",
       "src/arm64/codegen-arm64.cc",
@@ -1582,6 +1808,7 @@ source_set("v8_base") {
       "src/arm64/deoptimizer-arm64.cc",
       "src/arm64/disasm-arm64.cc",
       "src/arm64/disasm-arm64.h",
+      "src/arm64/eh-frame-arm64.cc",
       "src/arm64/frames-arm64.cc",
       "src/arm64/frames-arm64.h",
       "src/arm64/instructions-arm64.cc",
@@ -1597,10 +1824,13 @@ source_set("v8_base") {
       "src/arm64/simulator-arm64.h",
       "src/arm64/utils-arm64.cc",
       "src/arm64/utils-arm64.h",
+      "src/builtins/arm64/builtins-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/crankshaft/arm64/delayed-masm-arm64-inl.h",
       "src/crankshaft/arm64/delayed-masm-arm64.cc",
       "src/crankshaft/arm64/delayed-masm-arm64.h",
@@ -1620,8 +1850,9 @@ source_set("v8_base") {
       "src/regexp/arm64/regexp-macro-assembler-arm64.cc",
       "src/regexp/arm64/regexp-macro-assembler-arm64.h",
     ]
-  } else if (v8_target_arch == "mipsel") {
+  } else if (v8_current_cpu == "mipsel") {
     sources += [
+      "src/builtins/mips/builtins-mips.cc",
       "src/compiler/mips/code-generator-mips.cc",
       "src/compiler/mips/instruction-codes-mips.h",
       "src/compiler/mips/instruction-scheduler-mips.cc",
@@ -1642,7 +1873,6 @@ source_set("v8_base") {
       "src/mips/assembler-mips-inl.h",
       "src/mips/assembler-mips.cc",
       "src/mips/assembler-mips.h",
-      "src/mips/builtins-mips.cc",
       "src/mips/code-stubs-mips.cc",
       "src/mips/code-stubs-mips.h",
       "src/mips/codegen-mips.cc",
@@ -1662,12 +1892,13 @@ source_set("v8_base") {
       "src/regexp/mips/regexp-macro-assembler-mips.cc",
       "src/regexp/mips/regexp-macro-assembler-mips.h",
     ]
-  } else if (v8_target_arch == "mips64el") {
+  } else if (v8_current_cpu == "mips64el") {
     sources += [
-      "compiler/mips64/code-generator-mips64.cc",
-      "compiler/mips64/instruction-codes-mips64.h",
-      "compiler/mips64/instruction-scheduler-mips64.cc",
-      "compiler/mips64/instruction-selector-mips64.cc",
+      "src/builtins/mips64/builtins-mips64.cc",
+      "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/crankshaft/mips64/lithium-codegen-mips64.cc",
       "src/crankshaft/mips64/lithium-codegen-mips64.h",
       "src/crankshaft/mips64/lithium-gap-resolver-mips64.cc",
@@ -1684,7 +1915,6 @@ source_set("v8_base") {
       "src/mips64/assembler-mips64-inl.h",
       "src/mips64/assembler-mips64.cc",
       "src/mips64/assembler-mips64.h",
-      "src/mips64/builtins-mips64.cc",
       "src/mips64/code-stubs-mips64.cc",
       "src/mips64/code-stubs-mips64.h",
       "src/mips64/codegen-mips64.cc",
@@ -1704,8 +1934,9 @@ source_set("v8_base") {
       "src/regexp/mips64/regexp-macro-assembler-mips64.cc",
       "src/regexp/mips64/regexp-macro-assembler-mips64.h",
     ]
-  } else if (v8_target_arch == "s390" || v8_target_arch == "s390x") {
+  } else if (v8_current_cpu == "s390" || v8_current_cpu == "s390x") {
     sources += [
+      "src/builtins/s390/builtins-s390.cc",
       "src/compiler/s390/code-generator-s390.cc",
       "src/compiler/s390/instruction-codes-s390.h",
       "src/compiler/s390/instruction-scheduler-s390.cc",
@@ -1728,7 +1959,6 @@ source_set("v8_base") {
       "src/s390/assembler-s390-inl.h",
       "src/s390/assembler-s390.cc",
       "src/s390/assembler-s390.h",
-      "src/s390/builtins-s390.cc",
       "src/s390/code-stubs-s390.cc",
       "src/s390/code-stubs-s390.h",
       "src/s390/codegen-s390.cc",
@@ -1748,24 +1978,17 @@ source_set("v8_base") {
     ]
   }
 
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-  configs += [
-    ":internal_config",
-    ":features",
-    ":toolchain",
-  ]
-
-  if (!is_debug) {
-    configs -= [ "//build/config/compiler:default_optimization" ]
-    configs += [ "//build/config/compiler:optimize_max" ]
-  }
+  configs = [ ":internal_config" ]
 
   defines = []
   deps = [
     ":v8_libbase",
+    ":v8_libsampler",
   ]
 
+  sources += [ v8_generated_peephole_source ]
+  deps += [ ":run_mkpeephole" ]
+
   if (is_win) {
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     cflags = [ "/wd4267" ]
@@ -1776,9 +1999,6 @@ source_set("v8_base") {
     if (is_win) {
       deps += [ "//third_party/icu:icudata" ]
     }
-
-    # TODO(jochen): Add support for icu_use_data_file_flag
-    defines += [ "ICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE" ]
   } else {
     sources -= [
       "src/i18n.cc",
@@ -1792,13 +2012,14 @@ source_set("v8_base") {
   }
 }
 
-source_set("v8_libbase") {
+v8_source_set("v8_libbase") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
   sources = [
     "src/base/accounting-allocator.cc",
     "src/base/accounting-allocator.h",
     "src/base/adapters.h",
+    "src/base/atomic-utils.h",
     "src/base/atomicops.h",
     "src/base/atomicops_internals_arm64_gcc.h",
     "src/base/atomicops_internals_arm_gcc.h",
@@ -1806,7 +2027,6 @@ source_set("v8_libbase") {
     "src/base/atomicops_internals_mac.h",
     "src/base/atomicops_internals_mips64_gcc.h",
     "src/base/atomicops_internals_mips_gcc.h",
-    "src/base/atomicops_internals_portable.h",
     "src/base/atomicops_internals_s390_gcc.h",
     "src/base/atomicops_internals_tsan.h",
     "src/base/atomicops_internals_x86_gcc.cc",
@@ -1817,11 +2037,20 @@ source_set("v8_libbase") {
     "src/base/build_config.h",
     "src/base/cpu.cc",
     "src/base/cpu.h",
+    "src/base/debug/stack_trace.cc",
+    "src/base/debug/stack_trace.h",
     "src/base/division-by-constant.cc",
     "src/base/division-by-constant.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/ieee754.cc",
+    "src/base/ieee754.h",
     "src/base/iterator.h",
     "src/base/lazy-instance.h",
     "src/base/logging.cc",
@@ -1843,25 +2072,13 @@ source_set("v8_libbase") {
     "src/base/safe_conversions_impl.h",
     "src/base/safe_math.h",
     "src/base/safe_math_impl.h",
-    "src/base/smart-pointers.h",
     "src/base/sys-info.cc",
     "src/base/sys-info.h",
     "src/base/utils/random-number-generator.cc",
     "src/base/utils/random-number-generator.h",
   ]
 
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-  configs += [
-    ":internal_config_base",
-    ":features",
-    ":toolchain",
-  ]
-
-  if (!is_debug) {
-    configs -= [ "//build/config/compiler:default_optimization" ]
-    configs += [ "//build/config/compiler:optimize_max" ]
-  }
+  configs = [ ":internal_config_base" ]
 
   defines = []
 
@@ -1870,7 +2087,10 @@ source_set("v8_libbase") {
   }
 
   if (is_linux) {
-    sources += [ "src/base/platform/platform-linux.cc" ]
+    sources += [
+      "src/base/debug/stack_trace_posix.cc",
+      "src/base/platform/platform-linux.cc",
+    ]
 
     libs = [
       "dl",
@@ -1883,18 +2103,31 @@ source_set("v8_libbase") {
         "rt",
       ]
       if (host_os == "mac") {
-        sources += [ "src/base/platform/platform-macos.cc" ]
+        sources += [
+          "src/base/debug/stack_trace_posix.cc",
+          "src/base/platform/platform-macos.cc",
+        ]
       } else {
-        sources += [ "src/base/platform/platform-linux.cc" ]
+        sources += [
+          "src/base/debug/stack_trace_posix.cc",
+          "src/base/platform/platform-linux.cc",
+        ]
       }
     } else {
-      sources += [ "src/base/platform/platform-linux.cc" ]
+      sources += [
+        "src/base/debug/stack_trace_android.cc",
+        "src/base/platform/platform-linux.cc",
+      ]
     }
   } else if (is_mac) {
-    sources += [ "src/base/platform/platform-macos.cc" ]
+    sources += [
+      "src/base/debug/stack_trace_posix.cc",
+      "src/base/platform/platform-macos.cc",
+    ]
   } else if (is_win) {
     # TODO(jochen): Add support for cygwin.
     sources += [
+      "src/base/debug/stack_trace_win.cc",
       "src/base/platform/platform-win32.cc",
       "src/base/win32-headers.h",
     ]
@@ -1902,6 +2135,8 @@ source_set("v8_libbase") {
     defines += [ "_CRT_RAND_S" ]  # for rand_s()
 
     libs = [
+      "dbghelp.lib",
+      "shlwapi.lib",
       "winmm.lib",
       "ws2_32.lib",
     ]
@@ -1910,36 +2145,51 @@ source_set("v8_libbase") {
   # TODO(jochen): Add support for qnx, freebsd, openbsd, netbsd, and solaris.
 }
 
-source_set("v8_libplatform") {
+v8_source_set("v8_libplatform") {
   sources = [
+    "//base/trace_event/common/trace_event_common.h",
     "include/libplatform/libplatform.h",
+    "include/libplatform/v8-tracing.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",
   ]
 
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-  configs += [
-    ":internal_config_base",
-    ":features",
-    ":toolchain",
+  configs = [ ":internal_config_base" ]
+
+  public_configs = [ ":libplatform_config" ]
+
+  deps = [
+    ":v8_libbase",
   ]
+}
 
-  if (!is_debug) {
-    configs -= [ "//build/config/compiler:default_optimization" ]
-    configs += [ "//build/config/compiler:optimize_max" ]
-  }
+v8_source_set("v8_libsampler") {
+  sources = [
+    "src/libsampler/sampler.cc",
+    "src/libsampler/sampler.h",
+  ]
+
+  configs = [ ":internal_config_base" ]
+
+  public_configs = [ ":libsampler_config" ]
 
   deps = [
     ":v8_libbase",
   ]
 }
 
-source_set("fuzzer_support") {
+v8_source_set("fuzzer_support") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
   sources = [
@@ -1947,136 +2197,317 @@ source_set("fuzzer_support") {
     "test/fuzzer/fuzzer-support.h",
   ]
 
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-  configs += [
-    ":internal_config_base",
-    ":libplatform_config",
-    ":features",
-    ":toolchain",
-  ]
+  configs = [ ":internal_config_base" ]
 
   deps = [
+    ":v8_maybe_snapshot",
+  ]
+
+  public_deps = [
     ":v8_libplatform",
-    snapshot_target,
   ]
 }
 
+v8_source_set("simple_fuzzer") {
+  sources = [
+    "test/fuzzer/fuzzer.cc",
+  ]
+
+  configs = [ ":internal_config_base" ]
+}
+
 ###############################################################################
 # Executables
 #
 
-if (current_toolchain == snapshot_toolchain) {
-  executable("mksnapshot") {
+if (current_toolchain == v8_snapshot_toolchain) {
+  v8_executable("mksnapshot") {
     visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
     sources = [
       "src/snapshot/mksnapshot.cc",
     ]
 
-    configs -= [ "//build/config/compiler:chromium_code" ]
-    configs += [ "//build/config/compiler:no_chromium_code" ]
-    configs += [
-      ":internal_config",
-      ":libplatform_config",
-      ":features",
-      ":toolchain",
-    ]
+    configs = [ ":internal_config" ]
 
     deps = [
       ":v8_base",
       ":v8_libplatform",
       ":v8_nosnapshot",
       "//build/config/sanitizers:deps",
+      "//build/win:default_exe_manifest",
     ]
   }
 }
 
+v8_executable("mkpeephole") {
+  # mkpeephole needs to be built for the build host so the peephole lookup
+  # table can built during build. The table depends on the properties of
+  # bytecodes that are described in bytecodes.{cc,h}.
+  visibility = [ ":*" ]  # Only targets in this file can depend on this.
+
+  sources = [
+    "src/interpreter/bytecode-peephole-optimizer.h",
+    "src/interpreter/bytecodes.cc",
+    "src/interpreter/bytecodes.h",
+    "src/interpreter/mkpeephole.cc",
+  ]
+
+  configs = [
+    ":external_config",
+    ":internal_config",
+  ]
+
+  deps = [
+    ":v8_libbase",
+    "//build/config/sanitizers:deps",
+    "//build/win:default_exe_manifest",
+  ]
+}
+
 ###############################################################################
 # Public targets
 #
 
+want_v8_shell =
+    (current_toolchain == host_toolchain && v8_toolset_for_shell == "host") ||
+    (current_toolchain == v8_snapshot_toolchain &&
+     v8_toolset_for_shell == "host") ||
+    (current_toolchain != host_toolchain && v8_toolset_for_shell == "target")
+
+group("gn_all") {
+  testonly = true
+
+  deps = [
+    ":d8",
+    ":v8_hello_world",
+    ":v8_parser_shell",
+    ":v8_sample_process",
+    ":v8_simple_json_fuzzer",
+    ":v8_simple_parser_fuzzer",
+    ":v8_simple_regexp_fuzzer",
+    ":v8_simple_wasm_asmjs_fuzzer",
+    ":v8_simple_wasm_fuzzer",
+    "test:gn_all",
+    "tools:gn_all",
+  ]
+
+  if (want_v8_shell) {
+    deps += [ ":v8_shell" ]
+  }
+
+  if (v8_test_isolation_mode != "noop") {
+    deps += [ ":d8_run" ]
+  }
+}
+
 if (is_component_build) {
-  component("v8") {
+  v8_component("v8") {
     sources = [
       "src/v8dll-main.cc",
     ]
 
+    deps = [
+      ":v8_dump_build_config",
+    ]
+
     public_deps = [
       ":v8_base",
-      snapshot_target,
+      ":v8_maybe_snapshot",
     ]
 
-    configs -= [ "//build/config/compiler:chromium_code" ]
-    configs += [ "//build/config/compiler:no_chromium_code" ]
-    configs += [
-      ":internal_config",
-      ":features",
-      ":toolchain",
-    ]
+    configs = [ ":internal_config" ]
 
     public_configs = [ ":external_config" ]
-
-    libs = []
-    if (is_android && current_toolchain != host_toolchain) {
-      libs += [ "log" ]
-    }
   }
 } else {
   group("v8") {
+    deps = [
+      ":v8_dump_build_config",
+    ]
+
     public_deps = [
       ":v8_base",
-      snapshot_target,
+      ":v8_maybe_snapshot",
     ]
     public_configs = [ ":external_config" ]
   }
 }
 
-if ((current_toolchain == host_toolchain && v8_toolset_for_d8 == "host") ||
-    (current_toolchain == snapshot_toolchain && v8_toolset_for_d8 == "host") ||
-    (current_toolchain != host_toolchain && v8_toolset_for_d8 == "target")) {
-  executable("d8") {
+v8_executable("d8") {
+  sources = [
+    "src/d8.cc",
+    "src/d8.h",
+  ]
+
+  configs = [
+    # Note: don't use :internal_config here because this target will get
+    # the :external_config applied to it by virtue of depending on :v8, and
+    # you can't have both applied to the same target.
+    ":internal_config_base",
+  ]
+
+  deps = [
+    ":d8_js2c",
+    ":v8",
+    ":v8_libplatform",
+    "//build/config/sanitizers:deps",
+    "//build/win:default_exe_manifest",
+  ]
+
+  # TODO(jochen): Add support for vtunejit.
+
+  if (is_posix) {
+    sources += [ "src/d8-posix.cc" ]
+  } else if (is_win) {
+    sources += [ "src/d8-windows.cc" ]
+  }
+
+  if (!is_component_build) {
+    sources += [ "$target_gen_dir/d8-js.cc" ]
+  }
+  if (v8_enable_i18n_support) {
+    deps += [ "//third_party/icu" ]
+  }
+}
+
+v8_isolate_run("d8") {
+  deps = [
+    ":d8",
+  ]
+
+  isolate = "//src/d8.isolate"
+}
+
+v8_executable("v8_hello_world") {
+  sources = [
+    "samples/hello-world.cc",
+  ]
+
+  configs = [
+    # Note: don't use :internal_config here because this target will get
+    # the :external_config applied to it by virtue of depending on :v8, and
+    # you can't have both applied to the same target.
+    ":internal_config_base",
+  ]
+
+  deps = [
+    ":v8",
+    ":v8_libplatform",
+    "//build/config/sanitizers:deps",
+    "//build/win:default_exe_manifest",
+  ]
+
+  if (v8_enable_i18n_support) {
+    deps += [ "//third_party/icu" ]
+  }
+}
+
+v8_executable("v8_sample_process") {
+  sources = [
+    "samples/process.cc",
+  ]
+
+  configs = [
+    # Note: don't use :internal_config here because this target will get
+    # the :external_config applied to it by virtue of depending on :v8, and
+    # you can't have both applied to the same target.
+    ":internal_config_base",
+  ]
+
+  deps = [
+    ":v8",
+    ":v8_libplatform",
+    "//build/config/sanitizers:deps",
+    "//build/win:default_exe_manifest",
+  ]
+
+  if (v8_enable_i18n_support) {
+    deps += [ "//third_party/icu" ]
+  }
+}
+
+v8_executable("v8_parser_shell") {
+  sources = [
+    "tools/parser-shell.cc",
+    "tools/shell-utils.h",
+  ]
+
+  configs = [
+    ":external_config",
+    ":internal_config_base",
+  ]
+
+  deps = [
+    ":v8_libplatform",
+    "//build/config/sanitizers:deps",
+    "//build/win:default_exe_manifest",
+  ]
+
+  if (is_component_build) {
+    # v8_parser_shell can't be built against a shared library, so we
+    # need to depend on the underlying static target in that case.
+    deps += [ ":v8_maybe_snapshot" ]
+  } else {
+    deps += [ ":v8" ]
+  }
+
+  if (v8_enable_i18n_support) {
+    deps += [ "//third_party/icu" ]
+  }
+
+  if (is_win) {
+    # Suppress warnings about importing locally defined symbols.
+    if (is_component_build) {
+      ldflags = [
+        "/ignore:4049",
+        "/ignore:4217",
+      ]
+    }
+  }
+}
+
+if (want_v8_shell) {
+  v8_executable("v8_shell") {
     sources = [
-      "src/d8.cc",
-      "src/d8.h",
+      "samples/shell.cc",
     ]
 
-    configs -= [ "//build/config/compiler:chromium_code" ]
-    configs += [ "//build/config/compiler:no_chromium_code" ]
-    configs += [
+    configs = [
       # Note: don't use :internal_config here because this target will get
       # the :external_config applied to it by virtue of depending on :v8, and
       # you can't have both applied to the same target.
       ":internal_config_base",
-      ":features",
-      ":toolchain",
     ]
 
     deps = [
-      ":d8_js2c",
       ":v8",
       ":v8_libplatform",
       "//build/config/sanitizers:deps",
+      "//build/win:default_exe_manifest",
     ]
 
-    # TODO(jochen): Add support for vtunejit.
-
-    if (is_posix) {
-      sources += [ "src/d8-posix.cc" ]
-    } else if (is_win) {
-      sources += [ "src/d8-windows.cc" ]
-    }
-
-    if (!is_component_build) {
-      sources += [ "$target_gen_dir/d8-js.cc" ]
-    }
     if (v8_enable_i18n_support) {
       deps += [ "//third_party/icu" ]
     }
   }
 }
 
-source_set("json_fuzzer") {
+template("v8_fuzzer") {
+  name = target_name
+  forward_variables_from(invoker, "*")
+  v8_executable("v8_simple_" + name) {
+    deps = [
+      ":" + name,
+      ":simple_fuzzer",
+      "//build/win:default_exe_manifest",
+    ]
+
+    configs = [ ":external_config" ]
+  }
+}
+
+v8_source_set("json_fuzzer") {
   sources = [
     "test/fuzzer/json.cc",
   ]
@@ -2085,17 +2516,13 @@ source_set("json_fuzzer") {
     ":fuzzer_support",
   ]
 
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-  configs += [
-    ":internal_config",
-    ":libplatform_config",
-    ":features",
-    ":toolchain",
-  ]
+  configs = [ ":internal_config" ]
+}
+
+v8_fuzzer("json_fuzzer") {
 }
 
-source_set("parser_fuzzer") {
+v8_source_set("parser_fuzzer") {
   sources = [
     "test/fuzzer/parser.cc",
   ]
@@ -2104,17 +2531,13 @@ source_set("parser_fuzzer") {
     ":fuzzer_support",
   ]
 
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-  configs += [
-    ":internal_config",
-    ":libplatform_config",
-    ":features",
-    ":toolchain",
-  ]
+  configs = [ ":internal_config" ]
+}
+
+v8_fuzzer("parser_fuzzer") {
 }
 
-source_set("regexp_fuzzer") {
+v8_source_set("regexp_fuzzer") {
   sources = [
     "test/fuzzer/regexp.cc",
   ]
@@ -2123,17 +2546,13 @@ source_set("regexp_fuzzer") {
     ":fuzzer_support",
   ]
 
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-  configs += [
-    ":internal_config",
-    ":libplatform_config",
-    ":features",
-    ":toolchain",
-  ]
+  configs = [ ":internal_config" ]
+}
+
+v8_fuzzer("regexp_fuzzer") {
 }
 
-source_set("wasm_fuzzer") {
+v8_source_set("wasm_fuzzer") {
   sources = [
     "test/fuzzer/wasm.cc",
   ]
@@ -2142,17 +2561,13 @@ source_set("wasm_fuzzer") {
     ":fuzzer_support",
   ]
 
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-  configs += [
-    ":internal_config",
-    ":libplatform_config",
-    ":features",
-    ":toolchain",
-  ]
+  configs = [ ":internal_config" ]
+}
+
+v8_fuzzer("wasm_fuzzer") {
 }
 
-source_set("wasm_asmjs_fuzzer") {
+v8_source_set("wasm_asmjs_fuzzer") {
   sources = [
     "test/fuzzer/wasm-asmjs.cc",
   ]
@@ -2161,12 +2576,8 @@ source_set("wasm_asmjs_fuzzer") {
     ":fuzzer_support",
   ]
 
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-  configs += [
-    ":internal_config",
-    ":libplatform_config",
-    ":features",
-    ":toolchain",
-  ]
+  configs = [ ":internal_config" ]
+}
+
+v8_fuzzer("wasm_asmjs_fuzzer") {
 }