deps: update V8 to 7.1.302.28

PR-URL: https://github.com/nodejs/node/pull/23423
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Myles Borins <myles.borins@gmail.com>

50 files changed, 1747 insertions, 753 deletions

diff --git a/deps/v8/tools/BUILD.gn b/deps/v8/tools/BUILD.gn
index 05c382e2f6..3ae98078f1 100644
--- a/deps/v8/tools/BUILD.gn
+++ b/deps/v8/tools/BUILD.gn
@@ -30,11 +30,11 @@ group("v8_android_test_runner_deps") {
 
   if (is_android && !build_with_chromium) {
     data_deps = [
-      "../build/android:test_runner_py",
+      "//build/android:test_runner_py",
     ]
     data = [
       # This is used by android.py, but not included by test_runner_py above.
-      "../third_party/catapult/devil/devil/android/perf/",
+      "//third_party/catapult/devil/devil/android/perf/",
     ]
   }
 }
diff --git a/deps/v8/tools/bigint-tester.py b/deps/v8/tools/bigint-tester.py
index d48d2546f9..2deab883fa 100755
--- a/deps/v8/tools/bigint-tester.py
+++ b/deps/v8/tools/bigint-tester.py
@@ -30,8 +30,6 @@ TEST_HEADER = """\
 // found in the LICENSE file.
 
 // Generated by %s.
-
-// Flags: --harmony-bigint
 """ % sys.argv[0]
 
 TEST_BODY = """
@@ -109,7 +107,7 @@ class TestGenerator(object):
       with open(path, "w") as f:
         f.write(self.EmitData(count))
         f.write(self.EmitTestBody())
-      return subprocess.call("%s --harmony-bigint %s" % (binary, path),
+      return subprocess.call("%s %s" % (binary, path),
                              shell=True)
     finally:
       os.close(fd)
diff --git a/deps/v8/tools/blink_tests/TestExpectations b/deps/v8/tools/blink_tests/TestExpectations
index 3655c5c93a..e6cc3d274f 100644
--- a/deps/v8/tools/blink_tests/TestExpectations
+++ b/deps/v8/tools/blink_tests/TestExpectations
@@ -3,3 +3,5 @@
 # Turn off Slimming Paint tests on linux.
 [ Linux ] virtual/slimmingpaint/ [ Skip ]
 
+# Several failures since https://crrev.com/c/1196547
+crbug.com/879604 external/wpt/cookies/samesite/ [ Skip ]
diff --git a/deps/v8/tools/callstats.html b/deps/v8/tools/callstats.html
index 2618b50b71..2afd0602d8 100644
--- a/deps/v8/tools/callstats.html
+++ b/deps/v8/tools/callstats.html
@@ -1507,6 +1507,7 @@ code is governed by a BSD-style license that can be found in the LICENSE file.
         this.groups = [
           this.total,
           Group.groups.get('ic').entry(),
+          Group.groups.get('optimize-background').entry(),
           Group.groups.get('optimize').entry(),
           Group.groups.get('compile-background').entry(),
           Group.groups.get('compile').entry(),
@@ -1715,14 +1716,16 @@ code is governed by a BSD-style license that can be found in the LICENSE file.
     }
     Group.add('total', new Group('Total', /.*Total.*/, '#BBB'));
     Group.add('ic', new Group('IC', /.*IC_.*/, "#3366CC"));
+    Group.add('optimize-background', new Group('Optimize-Background',
+        /(.*OptimizeConcurrent.*)|RecompileConcurrent.*/, "#702000"));
     Group.add('optimize', new Group('Optimize',
         /StackGuard|.*Optimize.*|.*Deoptimize.*|Recompile.*/, "#DC3912"));
     Group.add('compile-background', new Group('Compile-Background',
-        /(.*CompileBackground.*)/, "#b9a720"));
+        /(.*CompileBackground.*)/, "#b08000"));
     Group.add('compile', new Group('Compile',
         /(^Compile.*)|(.*_Compile.*)/, "#FFAA00"));
     Group.add('parse-background',
-        new Group('Parse-Background', /.*ParseBackground.*/, "#af744d"));
+        new Group('Parse-Background', /.*ParseBackground.*/, "#c05000"));
     Group.add('parse', new Group('Parse', /.*Parse.*/, "#FF6600"));
     Group.add('callback', new Group('Blink C++', /.*Callback.*/, "#109618"));
     Group.add('api', new Group('API', /.*API.*/, "#990099"));
diff --git a/deps/v8/tools/callstats.py b/deps/v8/tools/callstats.py
index 4ee4e83c02..91f8637acd 100755
--- a/deps/v8/tools/callstats.py
+++ b/deps/v8/tools/callstats.py
@@ -180,7 +180,7 @@ def run_site(site, domain, args, timeout=None):
           user_data_dir = args.user_data_dir
         else:
           user_data_dir = tempfile.mkdtemp(prefix="chr_")
-        js_flags = "--runtime-call-stats --noconcurrent-recompilation"
+        js_flags = "--runtime-call-stats"
         if args.replay_wpr: js_flags += " --allow-natives-syntax"
         if args.js_flags: js_flags += " " + args.js_flags
         chrome_flags = get_chrome_flags(js_flags, user_data_dir)
@@ -218,7 +218,7 @@ def run_site(site, domain, args, timeout=None):
           # Abort after too many retries, no point in ever increasing the
           # timeout.
           print("TOO MANY EMPTY RESULTS ABORTING RUN")
-          break
+          return
         timeout += 2 ** retries_since_good_run
         retries_since_good_run += 1
         print("EMPTY RESULT, REPEATING RUN ({})".format(
@@ -240,6 +240,8 @@ def read_sites_file(args):
           if item['timeout'] > args.timeout: item['timeout'] = args.timeout
           sites.append(item)
     except ValueError:
+      args.error("Warning: Could not read sites file as JSON, falling back to "
+                 "primitive file")
       with open(args.sites_file, "rt") as f:
         for line in f:
           line = line.strip()
@@ -349,11 +351,22 @@ def statistics(data):
            'stddev': stddev, 'min': low, 'max': high, 'ci': ci }
 
 
+def add_category_total(entries, groups, category_prefix):
+  group_data = { 'time': 0, 'count': 0 }
+  for group_name, regexp in groups:
+    if not group_name.startswith('Group-' + category_prefix): continue
+    group_data['time'] += entries[group_name]['time']
+    group_data['count'] += entries[group_name]['count']
+  entries['Group-' + category_prefix + '-Total'] = group_data
+
+
 def read_stats(path, domain, args):
   groups = [];
   if args.aggregate:
     groups = [
         ('Group-IC', re.compile(".*IC_.*")),
+        ('Group-OptimizeBackground',
+         re.compile(".*OptimizeConcurrent.*|RecompileConcurrent.*")),
         ('Group-Optimize',
          re.compile("StackGuard|.*Optimize.*|.*Deoptimize.*|Recompile.*")),
         ('Group-CompileBackground', re.compile("(.*CompileBackground.*)")),
@@ -405,20 +418,10 @@ def read_stats(path, domain, args):
       group_data['time'] += entries[group_name]['time']
       group_data['count'] += entries[group_name]['count']
     entries['Group-Total-V8'] = group_data
-    # Calculate the Parse-Total group
-    group_data = { 'time': 0, 'count': 0 }
-    for group_name, regexp in groups:
-      if not group_name.startswith('Group-Parse'): continue
-      group_data['time'] += entries[group_name]['time']
-      group_data['count'] += entries[group_name]['count']
-    entries['Group-Parse-Total'] = group_data
-    # Calculate the Compile-Total group
-    group_data = { 'time': 0, 'count': 0 }
-    for group_name, regexp in groups:
-      if not group_name.startswith('Group-Compile'): continue
-      group_data['time'] += entries[group_name]['time']
-      group_data['count'] += entries[group_name]['count']
-    entries['Group-Compile-Total'] = group_data
+    # Calculate the Parse-Total, Compile-Total and Optimize-Total groups
+    add_category_total(entries, groups, 'Parse')
+    add_category_total(entries, groups, 'Compile')
+    add_category_total(entries, groups, 'Optimize')
     # Append the sums as single entries to domain.
     for key in entries:
       if key not in domain: domain[key] = { 'time_list': [], 'count_list': [] }
@@ -651,7 +654,7 @@ def main():
         "-l", "--log-stderr", type=str, metavar="<path>",
         help="specify where chrome's stderr should go (default: /dev/null)")
     subparser.add_argument(
-        "sites", type=str, metavar="<URL>", nargs="*",
+        "--sites", type=str, metavar="<URL>", nargs="*",
         help="specify benchmark website")
   add_replay_args(subparsers["run"])
 
diff --git a/deps/v8/tools/gen-postmortem-metadata.py b/deps/v8/tools/gen-postmortem-metadata.py
index 9bc1dd66d5..b98a92d266 100644
--- a/deps/v8/tools/gen-postmortem-metadata.py
+++ b/deps/v8/tools/gen-postmortem-metadata.py
@@ -193,9 +193,9 @@ consts_misc = [
         'value': 'ScopeInfo::kVariablePartIndex' },
 
     { 'name': 'jsarray_buffer_was_neutered_mask',
-        'value': 'JSArrayBuffer::WasNeutered::kMask' },
+        'value': 'JSArrayBuffer::WasNeuteredBit::kMask' },
     { 'name': 'jsarray_buffer_was_neutered_shift',
-        'value': 'JSArrayBuffer::WasNeutered::kShift' },
+        'value': 'JSArrayBuffer::WasNeuteredBit::kShift' },
 
     { 'name': 'context_idx_scope_info',
         'value': 'Context::SCOPE_INFO_INDEX' },
@@ -250,7 +250,9 @@ extras_accessors = [
     'FixedArray, data, uintptr_t, kHeaderSize',
     'FixedTypedArrayBase, external_pointer, Object, kExternalPointerOffset',
     'JSArrayBuffer, backing_store, Object, kBackingStoreOffset',
-    'JSArrayBufferView, byte_offset, Object, kByteOffsetOffset',
+    'JSArrayBuffer, byte_length, size_t, kByteLengthOffset',
+    'JSArrayBufferView, byte_length, size_t, kByteLengthOffset',
+    'JSArrayBufferView, byte_offset, size_t, kByteOffsetOffset',
     'JSTypedArray, length, Object, kLengthOffset',
     'Map, instance_size_in_words, char, kInstanceSizeInWordsOffset',
     'Map, inobject_properties_start_or_constructor_function_index, char, kInObjectPropertiesStartOrConstructorFunctionIndexOffset',
@@ -275,6 +277,7 @@ extras_accessors = [
     'SlicedString, parent, String, kParentOffset',
     'Code, instruction_start, uintptr_t, kHeaderSize',
     'Code, instruction_size, int, kInstructionSizeOffset',
+    'String, length, int32_t, kLengthOffset',
 ];
 
 #
diff --git a/deps/v8/tools/generate-header-include-checks.py b/deps/v8/tools/generate-header-include-checks.py
index ca3b0079ca..7ff52dd740 100755
--- a/deps/v8/tools/generate-header-include-checks.py
+++ b/deps/v8/tools/generate-header-include-checks.py
@@ -34,7 +34,6 @@ AUTO_EXCLUDE = [
   'src/compiler/js-context-specialization.h',
   'src/compiler/raw-machine-assembler.h',
   'src/dateparser-inl.h',
-  'src/heap/incremental-marking.h',
   'src/ic/ic.h',
   'src/lookup.h',
   'src/parsing/parser.h',
diff --git a/deps/v8/tools/grokdump.py b/deps/v8/tools/grokdump.py
index 60215857c0..34689316af 100755
--- a/deps/v8/tools/grokdump.py
+++ b/deps/v8/tools/grokdump.py
@@ -1715,9 +1715,9 @@ class V8Heap(object):
     "EXTERNAL_SYMBOL_TYPE": ExternalString,
     "EXTERNAL_SYMBOL_WITH_ONE_BYTE_DATA_TYPE": ExternalString,
     "EXTERNAL_ONE_BYTE_SYMBOL_TYPE": ExternalString,
-    "SHORT_EXTERNAL_SYMBOL_TYPE": ExternalString,
-    "SHORT_EXTERNAL_SYMBOL_WITH_ONE_BYTE_DATA_TYPE": ExternalString,
-    "SHORT_EXTERNAL_ONE_BYTE_SYMBOL_TYPE": ExternalString,
+    "UNCACHED_EXTERNAL_SYMBOL_TYPE": ExternalString,
+    "UNCACHED_EXTERNAL_SYMBOL_WITH_ONE_BYTE_DATA_TYPE": ExternalString,
+    "UNCACHED_EXTERNAL_ONE_BYTE_SYMBOL_TYPE": ExternalString,
     "STRING_TYPE": SeqString,
     "ONE_BYTE_STRING_TYPE": SeqString,
     "CONS_STRING_TYPE": ConsString,
diff --git a/deps/v8/tools/heap-stats/categories.js b/deps/v8/tools/heap-stats/categories.js
index 4ede5e9a45..63b99aae7e 100644
--- a/deps/v8/tools/heap-stats/categories.js
+++ b/deps/v8/tools/heap-stats/categories.js
@@ -70,10 +70,10 @@ const CATEGORIES = new Map([
       'ONE_BYTE_STRING_TYPE',
       'OTHER_CONTEXT_TYPE',
       'PROPERTY_ARRAY_TYPE',
-      'SHORT_EXTERNAL_INTERNALIZED_STRING_TYPE',
-      'SHORT_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE',
-      'SHORT_EXTERNAL_ONE_BYTE_STRING_TYPE',
-      'SHORT_EXTERNAL_STRING_TYPE',
+      'UNCACHED_EXTERNAL_INTERNALIZED_STRING_TYPE',
+      'UNCACHED_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE',
+      'UNCACHED_EXTERNAL_ONE_BYTE_STRING_TYPE',
+      'UNCACHED_EXTERNAL_STRING_TYPE',
       'SLICED_ONE_BYTE_STRING_TYPE',
       'SLICED_STRING_TYPE',
       'STRING_EXTERNAL_RESOURCE_ONE_BYTE_TYPE',
diff --git a/deps/v8/tools/node/fetch_deps.py b/deps/v8/tools/node/fetch_deps.py
index 26b9d6a72f..332c6e2d7d 100755
--- a/deps/v8/tools/node/fetch_deps.py
+++ b/deps/v8/tools/node/fetch_deps.py
@@ -32,12 +32,15 @@ GCLIENT_SOLUTION = [
       "v8/test/mozilla/data"                  : None,
       "v8/test/test262/data"                  : None,
       "v8/test/test262/harness"               : None,
+      "v8/third_party/android_ndk"            : None,
       "v8/third_party/android_tools"          : None,
       "v8/third_party/catapult"               : None,
       "v8/third_party/colorama/src"           : None,
+      "v8/third_party/fuchsia-sdk"            : None,
       "v8/third_party/instrumented_libraries" : None,
       "v8/tools/luci-go"                      : None,
       "v8/tools/swarming_client"              : None,
+      "v8/third_party/qemu-linux-x64"         : None,
     },
   },
 ]
diff --git a/deps/v8/tools/node/update_node.py b/deps/v8/tools/node/update_node.py
index 759e9d5aac..fb3c2a0aec 100755
--- a/deps/v8/tools/node/update_node.py
+++ b/deps/v8/tools/node/update_node.py
@@ -34,17 +34,12 @@ import node_common
 TARGET_SUBDIR = os.path.join("deps", "v8")
 
 SUB_REPOSITORIES = [ ["base", "trace_event", "common"],
-                     ["third_party", "googletest", "src"],
-                     ["third_party", "jinja2"],
-                     ["third_party", "markupsafe"] ]
+                     ["third_party", "googletest", "src"] ]
 
 DELETE_FROM_GITIGNORE = [ "/base",
-                          "/third_party/googletest/src",
-                          "/third_party/jinja2",
-                          "/third_party/markupsafe" ]
+                          "/third_party/googletest/src" ]
 
 # Node.js requires only a single header file from gtest to build V8.
-# Both jinja2 and markupsafe are required to generate part of the inspector.
 ADD_TO_GITIGNORE = [ "/third_party/googletest/*",
                      "!/third_party/googletest/BUILD.gn",
                      "!/third_party/googletest/src",
@@ -55,9 +50,7 @@ ADD_TO_GITIGNORE = [ "/third_party/googletest/*",
                      "/third_party/googletest/src/googletest/include/*",
                      "!/third_party/googletest/src/googletest/include/gtest",
                      "/third_party/googletest/src/googletest/include/gtest/*",
-                     "!/third_party/googletest/src/googletest/include/gtest/gtest_prod.h",
-                     "!/third_party/jinja2",
-                     "!/third_party/markupsafe" ]
+                     "!/third_party/googletest/src/googletest/include/gtest/gtest_prod.h" ]
 
 # Node.js owns deps/v8/gypfiles in their downstream repository.
 FILES_TO_KEEP = [ "gypfiles" ]
diff --git a/deps/v8/tools/perf-to-html.py b/deps/v8/tools/perf-to-html.py
deleted file mode 100755
index e3979360a7..0000000000
--- a/deps/v8/tools/perf-to-html.py
+++ /dev/null
@@ -1,381 +0,0 @@
-#!/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.
-'''
-python %prog
-
-Convert a perf trybot JSON file into a pleasing HTML page. It can read
-from standard input or via the --filename option. Examples:
-
-  cat results.json | %prog --title "ia32 results"
-  %prog -f results.json -t "ia32 results" -o results.html
-'''
-
-import json
-import math
-from optparse import OptionParser
-import os
-import shutil
-import sys
-import tempfile
-
-PERCENT_CONSIDERED_SIGNIFICANT = 0.5
-PROBABILITY_CONSIDERED_SIGNIFICANT = 0.02
-PROBABILITY_CONSIDERED_MEANINGLESS = 0.05
-
-
-def ComputeZ(baseline_avg, baseline_sigma, mean, n):
-  if baseline_sigma == 0:
-    return 1000.0;
-  return abs((mean - baseline_avg) / (baseline_sigma / math.sqrt(n)))
-
-
-# Values from http://www.fourmilab.ch/rpkp/experiments/analysis/zCalc.html
-def ComputeProbability(z):
-  if z > 2.575829: # p 0.005: two sided < 0.01
-    return 0
-  if z > 2.326348: # p 0.010
-    return 0.01
-  if z > 2.170091: # p 0.015
-    return 0.02
-  if z > 2.053749: # p 0.020
-    return 0.03
-  if z > 1.959964: # p 0.025: two sided < 0.05
-    return 0.04
-  if z > 1.880793: # p 0.030
-    return 0.05
-  if z > 1.811910: # p 0.035
-    return 0.06
-  if z > 1.750686: # p 0.040
-    return 0.07
-  if z > 1.695397: # p 0.045
-    return 0.08
-  if z > 1.644853: # p 0.050: two sided < 0.10
-    return 0.09
-  if z > 1.281551: # p 0.100: two sided < 0.20
-    return 0.10
-  return 0.20 # two sided p >= 0.20
-
-
-class Result:
-  def __init__(self, test_name, count, hasScoreUnits, result, sigma,
-               master_result, master_sigma):
-    self.result_ = float(result)
-    self.sigma_ = float(sigma)
-    self.master_result_ = float(master_result)
-    self.master_sigma_ = float(master_sigma)
-    self.significant_ = False
-    self.notable_ = 0
-    self.percentage_string_ = ""
-    # compute notability and significance.
-    try:
-      if hasScoreUnits:
-        compare_num = 100*self.result_/self.master_result_ - 100
-      else:
-        compare_num = 100*self.master_result_/self.result_ - 100
-      if abs(compare_num) > 0.1:
-        self.percentage_string_ = "%3.1f" % (compare_num)
-        z = ComputeZ(self.master_result_, self.master_sigma_, self.result_, count)
-        p = ComputeProbability(z)
-        if p < PROBABILITY_CONSIDERED_SIGNIFICANT:
-          self.significant_ = True
-        if compare_num >= PERCENT_CONSIDERED_SIGNIFICANT:
-          self.notable_ = 1
-        elif compare_num <= -PERCENT_CONSIDERED_SIGNIFICANT:
-          self.notable_ = -1
-    except ZeroDivisionError:
-      self.percentage_string_ = "NaN"
-      self.significant_ = True
-
-  def result(self):
-    return self.result_
-
-  def sigma(self):
-    return self.sigma_
-
-  def master_result(self):
-    return self.master_result_
-
-  def master_sigma(self):
-    return self.master_sigma_
-
-  def percentage_string(self):
-    return self.percentage_string_;
-
-  def isSignificant(self):
-    return self.significant_
-
-  def isNotablyPositive(self):
-    return self.notable_ > 0
-
-  def isNotablyNegative(self):
-    return self.notable_ < 0
-
-
-class Benchmark:
-  def __init__(self, name, data):
-    self.name_ = name
-    self.tests_ = {}
-    for test in data:
-      # strip off "<name>/" prefix, allowing for subsequent "/"s
-      test_name = test.split("/", 1)[1]
-      self.appendResult(test_name, data[test])
-
-  # tests is a dictionary of Results
-  def tests(self):
-    return self.tests_
-
-  def SortedTestKeys(self):
-    keys = self.tests_.keys()
-    keys.sort()
-    t = "Total"
-    if t in keys:
-      keys.remove(t)
-      keys.append(t)
-    return keys
-
-  def name(self):
-    return self.name_
-
-  def appendResult(self, test_name, test_data):
-    with_string = test_data["result with patch   "]
-    data = with_string.split()
-    master_string = test_data["result without patch"]
-    master_data = master_string.split()
-    runs = int(test_data["runs"])
-    units = test_data["units"]
-    hasScoreUnits = units == "score"
-    self.tests_[test_name] = Result(test_name,
-                                    runs,
-                                    hasScoreUnits,
-                                    data[0], data[2],
-                                    master_data[0], master_data[2])
-
-
-class BenchmarkRenderer:
-  def __init__(self, output_file):
-    self.print_output_ = []
-    self.output_file_ = output_file
-
-  def Print(self, str_data):
-    self.print_output_.append(str_data)
-
-  def FlushOutput(self):
-    string_data = "\n".join(self.print_output_)
-    print_output = []
-    if self.output_file_:
-      # create a file
-      with open(self.output_file_, "w") as text_file:
-        text_file.write(string_data)
-    else:
-      print(string_data)
-
-  def RenderOneBenchmark(self, benchmark):
-    self.Print("<h2>")
-    self.Print("<a name=\"" + benchmark.name() + "\">")
-    self.Print(benchmark.name() + "</a> <a href=\"#top\">(top)</a>")
-    self.Print("</h2>");
-    self.Print("<table class=\"benchmark\">")
-    self.Print("<thead>")
-    self.Print("  <th>Test</th>")
-    self.Print("  <th>Result</th>")
-    self.Print("  <th>Master</th>")
-    self.Print("  <th>%</th>")
-    self.Print("</thead>")
-    self.Print("<tbody>")
-    tests = benchmark.tests()
-    for test in benchmark.SortedTestKeys():
-      t = tests[test]
-      self.Print("  <tr>")
-      self.Print("    <td>" + test + "</td>")
-      self.Print("    <td>" + str(t.result()) + "</td>")
-      self.Print("    <td>" + str(t.master_result()) + "</td>")
-      t = tests[test]
-      res = t.percentage_string()
-      if t.isSignificant():
-        res = self.bold(res)
-      if t.isNotablyPositive():
-        res = self.green(res)
-      elif t.isNotablyNegative():
-        res = self.red(res)
-      self.Print("    <td>" + res + "</td>")
-      self.Print("  </tr>")
-    self.Print("</tbody>")
-    self.Print("</table>")
-
-  def ProcessJSONData(self, data, title):
-    self.Print("<h1>" + title + "</h1>")
-    self.Print("<ul>")
-    for benchmark in data:
-     if benchmark != "errors":
-       self.Print("<li><a href=\"#" + benchmark + "\">" + benchmark + "</a></li>")
-    self.Print("</ul>")
-    for benchmark in data:
-      if benchmark != "errors":
-        benchmark_object = Benchmark(benchmark, data[benchmark])
-        self.RenderOneBenchmark(benchmark_object)
-
-  def bold(self, data):
-    return "<b>" + data + "</b>"
-
-  def red(self, data):
-    return "<font color=\"red\">" + data + "</font>"
-
-
-  def green(self, data):
-    return "<font color=\"green\">" + data + "</font>"
-
-  def PrintHeader(self):
-    data = """<html>
-<head>
-<title>Output</title>
-<style type="text/css">
-/*
-Style inspired by Andy Ferra's gist at https://gist.github.com/andyferra/2554919
-*/
-body {
-  font-family: Helvetica, arial, sans-serif;
-  font-size: 14px;
-  line-height: 1.6;
-  padding-top: 10px;
-  padding-bottom: 10px;
-  background-color: white;
-  padding: 30px;
-}
-h1, h2, h3, h4, h5, h6 {
-  margin: 20px 0 10px;
-  padding: 0;
-  font-weight: bold;
-  -webkit-font-smoothing: antialiased;
-  cursor: text;
-  position: relative;
-}
-h1 {
-  font-size: 28px;
-  color: black;
-}
-
-h2 {
-  font-size: 24px;
-  border-bottom: 1px solid #cccccc;
-  color: black;
-}
-
-h3 {
-  font-size: 18px;
-}
-
-h4 {
-  font-size: 16px;
-}
-
-h5 {
-  font-size: 14px;
-}
-
-h6 {
-  color: #777777;
-  font-size: 14px;
-}
-
-p, blockquote, ul, ol, dl, li, table, pre {
-  margin: 15px 0;
-}
-
-li p.first {
-  display: inline-block;
-}
-
-ul, ol {
-  padding-left: 30px;
-}
-
-ul :first-child, ol :first-child {
-  margin-top: 0;
-}
-
-ul :last-child, ol :last-child {
-  margin-bottom: 0;
-}
-
-table {
-  padding: 0;
-}
-
-table tr {
-  border-top: 1px solid #cccccc;
-  background-color: white;
-  margin: 0;
-  padding: 0;
-}
-
-table tr:nth-child(2n) {
-  background-color: #f8f8f8;
-}
-
-table tr th {
-  font-weight: bold;
-  border: 1px solid #cccccc;
-  text-align: left;
-  margin: 0;
-  padding: 6px 13px;
-}
-table tr td {
-  border: 1px solid #cccccc;
-  text-align: left;
-  margin: 0;
-  padding: 6px 13px;
-}
-table tr th :first-child, table tr td :first-child {
-  margin-top: 0;
-}
-table tr th :last-child, table tr td :last-child {
-  margin-bottom: 0;
-}
-</style>
-</head>
-<body>
-"""
-    self.Print(data)
-
-  def PrintFooter(self):
-    data = """</body>
-</html>
-"""
-    self.Print(data)
-
-
-def Render(opts, args):
-  if opts.filename:
-    with open(opts.filename) as json_data:
-      data = json.load(json_data)
-  else:
-    # load data from stdin
-    data = json.load(sys.stdin)
-
-  if opts.title:
-    title = opts.title
-  elif opts.filename:
-    title = opts.filename
-  else:
-    title = "Benchmark results"
-  renderer = BenchmarkRenderer(opts.output)
-  renderer.PrintHeader()
-  renderer.ProcessJSONData(data, title)
-  renderer.PrintFooter()
-  renderer.FlushOutput()
-
-
-if __name__ == '__main__':
-  parser = OptionParser(usage=__doc__)
-  parser.add_option("-f", "--filename", dest="filename",
-                    help="Specifies the filename for the JSON results "
-                         "rather than reading from stdin.")
-  parser.add_option("-t", "--title", dest="title",
-                    help="Optional title of the web page.")
-  parser.add_option("-o", "--output", dest="output",
-                    help="Write html output to this file rather than stdout.")
-
-  (opts, args) = parser.parse_args()
-  Render(opts, args)
diff --git a/deps/v8/tools/profile.js b/deps/v8/tools/profile.js
index 74b4b3bf66..ef362712fe 100644
--- a/deps/v8/tools/profile.js
+++ b/deps/v8/tools/profile.js
@@ -892,16 +892,24 @@ JsonProfile.prototype.addStaticCode = function(
 
 JsonProfile.prototype.addCode = function(
     kind, name, timestamp, start, size) {
+  let codeId = this.codeEntries_.length;
+  // Find out if we have a static code entry for the code. If yes, we will
+  // make sure it is written to the JSON file just once.
+  let staticEntry = this.codeMap_.findAddress(start);
+  if (staticEntry && staticEntry.entry.type === 'CPP') {
+    codeId = staticEntry.entry.codeId;
+  }
+
   var entry = new CodeMap.CodeEntry(size, name, 'CODE');
   this.codeMap_.addCode(start, entry);
 
-  entry.codeId = this.codeEntries_.length;
-  this.codeEntries_.push({
+  entry.codeId = codeId;
+  this.codeEntries_[codeId] = {
     name : entry.name,
     timestamp: timestamp,
     type : entry.type,
     kind : kind
-  });
+  };
 
   return entry;
 };
@@ -975,7 +983,7 @@ JsonProfile.prototype.addSourcePositions = function(
   if (!entry) return;
   var codeId = entry.codeId;
 
-  // Resolve the inlined fucntions list.
+  // Resolve the inlined functions list.
   if (inlinedFunctions.length > 0) {
     inlinedFunctions = inlinedFunctions.substring(1).split("S");
     for (var i = 0; i < inlinedFunctions.length; i++) {
diff --git a/deps/v8/tools/profview/index.html b/deps/v8/tools/profview/index.html
index 957b6d04d6..8695a41e3a 100644
--- a/deps/v8/tools/profview/index.html
+++ b/deps/v8/tools/profview/index.html
@@ -22,7 +22,7 @@ found in the LICENSE file. -->
   Chrome V8 profiling log processor
 </h3>
 
-<input type="file" id="fileinput" />
+<input type="file" id="fileinput" /><div id="source-status"></div>
 <br>
 <hr>
 
@@ -59,6 +59,10 @@ found in the LICENSE file. -->
   </table>
   <div>
     Current code object: <span id="timeline-currentCode"></span>
+    <button id="source-viewer-hide-button">Hide source</button>
+  </div>
+  <div>
+    <table id="source-viewer"> </table>
   </div>
 </div>
 
diff --git a/deps/v8/tools/profview/profile-utils.js b/deps/v8/tools/profview/profile-utils.js
index f5a85bed8d..4be55893dd 100644
--- a/deps/v8/tools/profview/profile-utils.js
+++ b/deps/v8/tools/profview/profile-utils.js
@@ -93,9 +93,10 @@ function codeEquals(code1, code2, allowDifferentKinds = false) {
 
 function createNodeFromStackEntry(code, codeId, vmState) {
   let name = code ? code.name : "UNKNOWN";
-
-  return { name, codeId, type : resolveCodeKindAndVmState(code, vmState),
-           children : [], ownTicks : 0, ticks : 0 };
+  let node = createEmptyNode(name);
+  node.codeId = codeId;
+  node.type = resolveCodeKindAndVmState(code, vmState);
+  return node;
 }
 
 function childIdFromCode(codeId, code) {
@@ -148,29 +149,30 @@ function findNextFrame(file, stack, stackPos, step, filter) {
 }
 
 function addOrUpdateChildNode(parent, file, stackIndex, stackPos, ascending) {
-  let stack = file.ticks[stackIndex].s;
-  let vmState = file.ticks[stackIndex].vm;
-  let codeId = stack[stackPos];
-  let code = codeId >= 0 ? file.code[codeId] : undefined;
   if (stackPos === -1) {
     // We reached the end without finding the next step.
     // If we are doing top-down call tree, update own ticks.
     if (!ascending) {
       parent.ownTicks++;
     }
-  } else {
-    console.assert(stackPos >= 0 && stackPos < stack.length);
-    // We found a child node.
-    let childId = childIdFromCode(codeId, code);
-    let child = parent.children[childId];
-    if (!child) {
-      child = createNodeFromStackEntry(code, codeId, vmState);
-      child.delayedExpansion = { frameList : [], ascending };
-      parent.children[childId] = child;
-    }
-    child.ticks++;
-    addFrameToFrameList(child.delayedExpansion.frameList, stackIndex, stackPos);
+    return;
+  }
+
+  let stack = file.ticks[stackIndex].s;
+  console.assert(stackPos >= 0 && stackPos < stack.length);
+  let codeId = stack[stackPos];
+  let code = codeId >= 0 ? file.code[codeId] : undefined;
+  // We found a child node.
+  let childId = childIdFromCode(codeId, code);
+  let child = parent.children[childId];
+  if (!child) {
+    let vmState = file.ticks[stackIndex].vm;
+    child = createNodeFromStackEntry(code, codeId, vmState);
+    child.delayedExpansion = { frameList : [], ascending };
+    parent.children[childId] = child;
   }
+  child.ticks++;
+  addFrameToFrameList(child.delayedExpansion.frameList, stackIndex, stackPos);
 }
 
 // This expands a tree node (direct children only).
@@ -314,13 +316,7 @@ class FunctionListTree {
       this.tree = root;
       this.categories = categories;
     } else {
-      this.tree = {
-        name : "root",
-        codeId: -1,
-        children : [],
-        ownTicks : 0,
-        ticks : 0
-      };
+      this.tree = createEmptyNode("root");
       this.categories = null;
     }
 
@@ -339,7 +335,7 @@ class FunctionListTree {
       let codeId = stack[i];
       if (codeId < 0 || this.codeVisited[codeId]) continue;
 
-      let code = codeId >= 0 ? file.code[codeId] : undefined;
+      let code = file.code[codeId];
       if (this.filter) {
         let type = code ? code.type : undefined;
         let kind = code ? code.kind : undefined;
@@ -601,3 +597,15 @@ function computeOptimizationStats(file,
     softDeoptimizations,
   };
 }
+
+function normalizeLeadingWhitespace(lines) {
+  let regex = /^\s*/;
+  let minimumLeadingWhitespaceChars = Infinity;
+  for (let line of lines) {
+    minimumLeadingWhitespaceChars =
+        Math.min(minimumLeadingWhitespaceChars, regex.exec(line)[0].length);
+  }
+  for (let i = 0; i < lines.length; i++) {
+    lines[i] = lines[i].substring(minimumLeadingWhitespaceChars);
+  }
+}
diff --git a/deps/v8/tools/profview/profview.css b/deps/v8/tools/profview/profview.css
index eb77ef14d8..ca39745f4b 100644
--- a/deps/v8/tools/profview/profview.css
+++ b/deps/v8/tools/profview/profview.css
@@ -19,6 +19,10 @@ body {
   font-family: 'Roboto', sans-serif;
 }
 
+#source-status {
+  display: inline-block;
+}
+
 .tree-row-arrow {
   margin-right: 0.2em;
   text-align: right;
@@ -35,6 +39,7 @@ body {
 
 .tree-row-name {
   margin-left: 0.2em;
+  margin-right: 0.2em;
 }
 
 .codeid-link {
@@ -42,6 +47,54 @@ body {
   cursor: pointer;
 }
 
+.view-source-link {
+  text-decoration: underline;
+  cursor: pointer;
+  font-size: 10pt;
+  margin-left: 0.6em;
+  color: #555555;
+}
+
+#source-viewer {
+  border: 1px solid black;
+  padding: 0.2em;
+  font-family: 'Roboto Mono', monospace;
+  white-space: pre;
+  margin-top: 1em;
+  margin-bottom: 1em;
+}
+
+#source-viewer td.line-none {
+  background-color: white;
+}
+
+#source-viewer td.line-cold {
+  background-color: #e1f5fe;
+}
+
+#source-viewer td.line-mediumcold {
+  background-color: #b2ebf2;
+}
+
+#source-viewer td.line-mediumhot {
+  background-color: #c5e1a5;
+}
+
+#source-viewer td.line-hot {
+  background-color: #dce775;
+}
+
+#source-viewer td.line-superhot {
+  background-color: #ffee58;
+}
+
+#source-viewer .source-line-number {
+  padding-left: 0.2em;
+  padding-right: 0.2em;
+  color: #003c8f;
+  background-color: #eceff1;
+}
+
 div.mode-button {
   padding: 1em 3em;
   display: inline-block;
diff --git a/deps/v8/tools/profview/profview.js b/deps/v8/tools/profview/profview.js
index e976b00be3..5bd64a49bd 100644
--- a/deps/v8/tools/profview/profview.js
+++ b/deps/v8/tools/profview/profview.js
@@ -8,6 +8,12 @@ function $(id) {
   return document.getElementById(id);
 }
 
+function removeAllChildren(element) {
+  while (element.firstChild) {
+    element.removeChild(element.firstChild);
+  }
+}
+
 let components;
 function createViews() {
   components = [
@@ -16,6 +22,7 @@ function createViews() {
     new HelpView(),
     new SummaryView(),
     new ModeBarView(),
+    new ScriptSourceView(),
   ];
 }
 
@@ -24,6 +31,7 @@ function emptyState() {
     file : null,
     mode : null,
     currentCodeId : null,
+    viewingSource: false,
     start : 0,
     end : Infinity,
     timelineSize : {
@@ -34,7 +42,8 @@ function emptyState() {
       attribution : "js-exclude-bc",
       categories : "code-type",
       sort : "time"
-    }
+    },
+    sourceData: null
   };
 }
 
@@ -119,11 +128,27 @@ let main = {
     }
   },
 
+  updateSources(file) {
+    let statusDiv = $("source-status");
+    if (!file) {
+      statusDiv.textContent = "";
+      return;
+    }
+    if (!file.scripts || file.scripts.length === 0) {
+      statusDiv.textContent =
+          "Script source not available. Run profiler with --log-source-code.";
+      return;
+    }
+    statusDiv.textContent = "Script source is available.";
+    main.currentState.sourceData = new SourceData(file);
+  },
+
   setFile(file) {
     if (file !== main.currentState.file) {
       let lastMode = main.currentState.mode || "summary";
       main.currentState = emptyState();
       main.currentState.file = file;
+      main.updateSources(file);
       main.setMode(lastMode);
       main.delayRender();
     }
@@ -137,6 +162,14 @@ let main = {
     }
   },
 
+  setViewingSource(value) {
+    if (main.currentState.viewingSource !== value) {
+      main.currentState = Object.assign({}, main.currentState);
+      main.currentState.viewingSource = value;
+      main.delayRender();
+    }
+  },
+
   onResize() {
     main.delayRender();
   },
@@ -328,6 +361,20 @@ function createFunctionNode(name, codeId) {
   return nameElement;
 }
 
+function createViewSourceNode(codeId) {
+  let linkElement = document.createElement("span");
+  linkElement.appendChild(document.createTextNode("View source"));
+  linkElement.classList.add("view-source-link");
+  linkElement.onclick = (event) => {
+    main.setCurrentCode(codeId);
+    main.setViewingSource(true);
+    // Prevent the click from bubbling to the row and causing it to
+    // collapse/expand.
+    event.stopPropagation();
+  };
+  return linkElement;
+}
+
 const COLLAPSED_ARROW = "\u25B6";
 const EXPANDED_ARROW = "\u25BC";
 
@@ -448,6 +495,10 @@ class CallTreeView {
       nameCell.appendChild(arrow);
       nameCell.appendChild(createTypeNode(node.type));
       nameCell.appendChild(createFunctionNode(node.name, node.codeId));
+      if (main.currentState.sourceData &&
+          main.currentState.sourceData.hasSource(node.name)) {
+        nameCell.appendChild(createViewSourceNode(node.codeId));
+      }
 
       // Inclusive ticks cell.
       c = row.insertCell();
@@ -793,8 +844,8 @@ class TimelineView {
       return;
     }
 
-    let width = Math.round(window.innerWidth - 20);
-    let height = Math.round(window.innerHeight / 5);
+    let width = Math.round(document.documentElement.clientWidth - 20);
+    let height = Math.round(document.documentElement.clientHeight / 5);
 
     if (oldState) {
       if (width === oldState.timelineSize.width &&
@@ -1010,9 +1061,7 @@ class TimelineView {
       cell.appendChild(document.createTextNode(" " + desc.text));
     }
 
-    while (this.currentCode.firstChild) {
-      this.currentCode.removeChild(this.currentCode.firstChild);
-    }
+    removeAllChildren(this.currentCode);
     if (currentCodeId) {
       let currentCode = file.code[currentCodeId];
       this.currentCode.appendChild(document.createTextNode(currentCode.name));
@@ -1083,10 +1132,7 @@ class SummaryView {
     }
 
     this.element.style.display = "inherit";
-
-    while (this.element.firstChild) {
-      this.element.removeChild(this.element.firstChild);
-    }
+    removeAllChildren(this.element);
 
     let stats = computeOptimizationStats(
         this.currentState.file, newState.start, newState.end);
@@ -1237,6 +1283,217 @@ class SummaryView {
   }
 }
 
+class ScriptSourceView {
+  constructor() {
+    this.table = $("source-viewer");
+    this.hideButton = $("source-viewer-hide-button");
+    this.hideButton.onclick = () => {
+      main.setViewingSource(false);
+    };
+  }
+
+  render(newState) {
+    let oldState = this.currentState;
+    if (!newState.file || !newState.viewingSource) {
+      this.table.style.display = "none";
+      this.hideButton.style.display = "none";
+      this.currentState = null;
+      return;
+    }
+    if (oldState) {
+      if (newState.file === oldState.file &&
+          newState.currentCodeId === oldState.currentCodeId &&
+          newState.viewingSource === oldState.viewingSource) {
+        // No change, nothing to do.
+        return;
+      }
+    }
+    this.currentState = newState;
+
+    this.table.style.display = "inline-block";
+    this.hideButton.style.display = "inline";
+    removeAllChildren(this.table);
+
+    let functionId =
+        this.currentState.file.code[this.currentState.currentCodeId].func;
+    let sourceView =
+        this.currentState.sourceData.generateSourceView(functionId);
+    for (let i = 0; i < sourceView.source.length; i++) {
+      let sampleCount = sourceView.lineSampleCounts[i] || 0;
+      let sampleProportion = sourceView.samplesTotal > 0 ?
+                             sampleCount / sourceView.samplesTotal : 0;
+      let heatBucket;
+      if (sampleProportion === 0) {
+        heatBucket = "line-none";
+      } else if (sampleProportion < 0.2) {
+        heatBucket = "line-cold";
+      } else if (sampleProportion < 0.4) {
+        heatBucket = "line-mediumcold";
+      } else if (sampleProportion < 0.6) {
+        heatBucket = "line-mediumhot";
+      } else if (sampleProportion < 0.8) {
+        heatBucket = "line-hot";
+      } else {
+        heatBucket = "line-superhot";
+      }
+
+      let row = this.table.insertRow(-1);
+
+      let lineNumberCell = row.insertCell(-1);
+      lineNumberCell.classList.add("source-line-number");
+      lineNumberCell.textContent = i + sourceView.firstLineNumber;
+
+      let sampleCountCell = row.insertCell(-1);
+      sampleCountCell.classList.add(heatBucket);
+      sampleCountCell.textContent = sampleCount;
+
+      let sourceLineCell = row.insertCell(-1);
+      sourceLineCell.classList.add(heatBucket);
+      sourceLineCell.textContent = sourceView.source[i];
+    }
+
+    $("timeline-currentCode").scrollIntoView();
+  }
+}
+
+class SourceData {
+  constructor(file) {
+    this.scripts = new Map();
+    for (let i = 0; i < file.scripts.length; i++) {
+      const scriptBlock = file.scripts[i];
+      if (scriptBlock === null) continue; // Array may be sparse.
+      let source = scriptBlock.source.split("\n");
+      this.scripts.set(i, source);
+    }
+
+    this.functions = new Map();
+    for (let codeId = 0; codeId < file.code.length; ++codeId) {
+      let codeBlock = file.code[codeId];
+      if (codeBlock.source) {
+        let data = this.functions.get(codeBlock.func);
+        if (!data) {
+          data = new FunctionSourceData(codeBlock.source.script,
+                                        codeBlock.source.start,
+                                        codeBlock.source.end);
+          this.functions.set(codeBlock.func, data);
+        }
+        data.addSourceBlock(codeId, codeBlock.source);
+      }
+    }
+
+    for (let tick of file.ticks) {
+      let stack = tick.s;
+      for (let i = 0; i < stack.length; i += 2) {
+        let codeId = stack[i];
+        if (codeId < 0) continue;
+        let functionid = file.code[codeId].func;
+        if (this.functions.has(functionId)) {
+          let codeOffset = stack[i + 1];
+          this.functions.get(functionId).addOffsetSample(codeId, codeOffset);
+        }
+      }
+    }
+  }
+
+  getScript(scriptId) {
+    return this.scripts.get(scriptId);
+  }
+
+  getLineForScriptOffset(script, scriptOffset) {
+    let line = 0;
+    let charsConsumed = 0;
+    for (; line < script.length; ++line) {
+      charsConsumed += script[line].length + 1; // Add 1 for newline.
+      if (charsConsumed > scriptOffset) break;
+    }
+    return line;
+  }
+
+  hasSource(functionId) {
+    return this.functions.has(functionId);
+  }
+
+  generateSourceView(functionId) {
+    console.assert(this.hasSource(functionId));
+    let data = this.functions.get(functionId);
+    let scriptId = data.scriptId;
+    let script = this.getScript(scriptId);
+    let firstLineNumber =
+        this.getLineForScriptOffset(script, data.startScriptOffset);
+    let lastLineNumber =
+        this.getLineForScriptOffset(script, data.endScriptOffset);
+    let lines = script.slice(firstLineNumber, lastLineNumber + 1);
+    normalizeLeadingWhitespace(lines);
+
+    let samplesTotal = 0;
+    let lineSampleCounts = [];
+    for (let [codeId, block] of data.codes) {
+      block.offsets.forEach((sampleCount, codeOffset) => {
+        let sourceOffset = block.positionTable.getScriptOffset(codeOffset);
+        let lineNumber =
+            this.getLineForScriptOffset(script, sourceOffset) - firstLineNumber;
+        samplesTotal += sampleCount;
+        lineSampleCounts[lineNumber] =
+            (lineSampleCounts[lineNumber] || 0) + sampleCount;
+      });
+    }
+
+    return {
+      source: lines,
+      lineSampleCounts: lineSampleCounts,
+      samplesTotal: samplesTotal,
+      firstLineNumber: firstLineNumber + 1  // Source code is 1-indexed.
+    };
+  }
+}
+
+class FunctionSourceData {
+  constructor(scriptId, startScriptOffset, endScriptOffset) {
+    this.scriptId = scriptId;
+    this.startScriptOffset = startScriptOffset;
+    this.endScriptOffset = endScriptOffset;
+
+    this.codes = new Map();
+  }
+
+  addSourceBlock(codeId, source) {
+    this.codes.set(codeId, {
+      positionTable: new SourcePositionTable(source.positions),
+      offsets: []
+    });
+  }
+
+  addOffsetSample(codeId, codeOffset) {
+    let codeIdOffsets = this.codes.get(codeId).offsets;
+    codeIdOffsets[codeOffset] = (codeIdOffsets[codeOffset] || 0) + 1;
+  }
+}
+
+class SourcePositionTable {
+  constructor(encodedTable) {
+    this.offsetTable = [];
+    let offsetPairRegex = /C([0-9]+)O([0-9]+)/g;
+    while (true) {
+      let regexResult = offsetPairRegex.exec(encodedTable);
+      if (!regexResult) break;
+      let codeOffset = parseInt(regexResult[1]);
+      let scriptOffset = parseInt(regexResult[2]);
+      if (isNaN(codeOffset) || isNaN(scriptOffset)) continue;
+      this.offsetTable.push(codeOffset, scriptOffset);
+    }
+  }
+
+  getScriptOffset(codeOffset) {
+    console.assert(codeOffset >= 0);
+    for (let i = this.offsetTable.length - 2; i >= 0; i -= 2) {
+      if (this.offsetTable[i] <= codeOffset) {
+        return this.offsetTable[i + 1];
+      }
+    }
+    return this.offsetTable[1];
+  }
+}
+
 class HelpView {
   constructor() {
     this.element = $("help");
diff --git a/deps/v8/tools/release/create_release.py b/deps/v8/tools/release/create_release.py
index e5c2114b1a..ffa5c2a0ca 100755
--- a/deps/v8/tools/release/create_release.py
+++ b/deps/v8/tools/release/create_release.py
@@ -222,7 +222,7 @@ class LandBranch(Step):
       self.GitUpload(author=self._options.author,
                      force=True,
                      bypass_hooks=True,
-                     private=True)
+                     no_autocc=True)
     cmd = "cl land --bypass-hooks -f"
     if self._options.dry_run:
       print "Dry run. Command:\ngit %s" % cmd
diff --git a/deps/v8/tools/release/filter_build_files.py b/deps/v8/tools/release/filter_build_files.py
index 7d3f22138a..9cc6607108 100755
--- a/deps/v8/tools/release/filter_build_files.py
+++ b/deps/v8/tools/release/filter_build_files.py
@@ -35,7 +35,7 @@ SUPPLEMENTARY_FILES = [
 LIBRARY_FILES = {
   'android': ['*.a', '*.so'],
   'linux': ['*.a', '*.so'],
-  'mac': ['*.a', '*.so'],
+  'mac': ['*.a', '*.so', '*.dylib'],
   'win': ['*.lib', '*.dll'],
 }
 
diff --git a/deps/v8/tools/release/git_recipes.py b/deps/v8/tools/release/git_recipes.py
index 9deaee891b..a002f4211c 100644
--- a/deps/v8/tools/release/git_recipes.py
+++ b/deps/v8/tools/release/git_recipes.py
@@ -206,8 +206,8 @@ class GitRecipesMixin(object):
     self.Git(MakeArgs(args), **kwargs)
 
   def GitUpload(self, reviewer="", author="", force=False, cq=False,
-                cq_dry_run=False, bypass_hooks=False, cc="", private=False,
-                tbr_reviewer="", **kwargs):
+                cq_dry_run=False, bypass_hooks=False, cc="", tbr_reviewer="",
+                no_autocc=False, **kwargs):
     args = ["cl upload --send-mail"]
     if author:
       args += ["--email", Quoted(author)]
@@ -223,11 +223,11 @@ class GitRecipesMixin(object):
       args.append("--cq-dry-run")
     if bypass_hooks:
       args.append("--bypass-hooks")
+    if no_autocc:
+      args.append("--no-autocc")
     if cc:
       args += ["--cc", Quoted(cc)]
     args += ["--gerrit"]
-    if private:
-      args += ["--private"]
     # TODO(machenbach): Check output in forced mode. Verify that all required
     # base files were uploaded, if not retry.
     self.Git(MakeArgs(args), pipe=False, **kwargs)
diff --git a/deps/v8/tools/release/test_scripts.py b/deps/v8/tools/release/test_scripts.py
index 565b2b7c8f..f3dc400e58 100755
--- a/deps/v8/tools/release/test_scripts.py
+++ b/deps/v8/tools/release/test_scripts.py
@@ -934,7 +934,7 @@ TBR=reviewer@chromium.org"""
       Cmd("git commit -aF \"%s\"" % TEST_CONFIG["COMMITMSG_FILE"], "",
           cb=CheckVersionCommit),
       Cmd("git cl upload --send-mail --email \"author@chromium.org\" "
-          "-f --bypass-hooks --gerrit --private", ""),
+          "-f --bypass-hooks --no-autocc --gerrit", ""),
       Cmd("git cl land --bypass-hooks -f", ""),
       Cmd("git fetch", ""),
       Cmd("git log -1 --format=%H --grep="
diff --git a/deps/v8/tools/run-clang-tidy.py b/deps/v8/tools/run-clang-tidy.py
new file mode 100755
index 0000000000..11826f19b1
--- /dev/null
+++ b/deps/v8/tools/run-clang-tidy.py
@@ -0,0 +1,420 @@
+#!/usr/bin/env python
+#
+# 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.
+
+import json
+import multiprocessing
+import optparse
+import os
+import re
+import subprocess
+import sys
+
+CLANG_TIDY_WARNING = re.compile(r'(\/.*?)\ .*\[(.*)\]$')
+CLANG_TIDY_CMDLINE_OUT = re.compile(r'^clang-tidy.*\ .*|^\./\.\*')
+FILE_REGEXS = ['../src/*', '../test/*']
+HEADER_REGEX = ['\.\.\/src\/.*|\.\.\/include\/.*|\.\.\/test\/.*']
+
+THREADS = multiprocessing.cpu_count()
+
+
+class ClangTidyWarning(object):
+  """
+  Wraps up a clang-tidy warning to present aggregated information.
+  """
+
+  def __init__(self, warning_type):
+    self.warning_type = warning_type
+    self.occurrences = set()
+
+  def add_occurrence(self, file_path):
+    self.occurrences.add(file_path.lstrip())
+
+  def __hash__(self):
+    return hash(self.warning_type)
+
+  def to_string(self, file_loc):
+    s = '[%s] #%d\n' % (self.warning_type, len(self.occurrences))
+    if file_loc:
+      s += ' ' + '\n  '.join(self.occurrences)
+      s += '\n'
+    return s
+
+  def __str__(self):
+    return self.to_string(False)
+
+  def __lt__(self, other):
+    return len(self.occurrences) < len(other.occurrences)
+
+
+def GenerateCompileCommands(build_folder):
+  """
+  Generate a compilation database.
+
+  Currently clang-tidy-4 does not understand all flags that are passed
+  by the build system, therefore, we remove them from the generated file.
+  """
+  ninja_ps = subprocess.Popen(
+    ['ninja', '-t', 'compdb', 'cxx', 'cc'],
+    stdout=subprocess.PIPE,
+    cwd=build_folder)
+
+  out_filepath = os.path.join(build_folder, 'compile_commands.json')
+  with open(out_filepath, 'w') as cc_file:
+    while True:
+        line = ninja_ps.stdout.readline()
+
+        if line == '':
+            break
+
+        line = line.replace('-fcomplete-member-pointers', '')
+        line = line.replace('-Wno-enum-compare-switch', '')
+        line = line.replace('-Wno-ignored-pragma-optimize', '')
+        line = line.replace('-Wno-null-pointer-arithmetic', '')
+        line = line.replace('-Wno-unused-lambda-capture', '')
+        cc_file.write(line)
+
+
+def skip_line(line):
+  """
+  Check if a clang-tidy output line should be skipped.
+  """
+  return bool(CLANG_TIDY_CMDLINE_OUT.search(line))
+
+
+def ClangTidyRunFull(build_folder, skip_output_filter, checks, auto_fix):
+  """
+  Run clang-tidy on the full codebase and print warnings.
+  """
+  extra_args = []
+  if auto_fix:
+    extra_args.append('-fix')
+
+  if checks is not None:
+    extra_args.append('-checks')
+    extra_args.append('-*, ' + checks)
+
+  with open(os.devnull, 'w') as DEVNULL:
+    ct_process = subprocess.Popen(
+      ['run-clang-tidy', '-j' + str(THREADS), '-p', '.']
+       + ['-header-filter'] + HEADER_REGEX + extra_args
+       + FILE_REGEXS,
+      cwd=build_folder,
+      stdout=subprocess.PIPE,
+      stderr=DEVNULL)
+  removing_check_header = False
+  empty_lines = 0
+
+  while True:
+    line = ct_process.stdout.readline()
+    if line == '':
+      break
+
+    # Skip all lines after Enbale checks and before two newlines,
+    # i.e., skip clang-tidy check list.
+    if line.startswith('Enabled checks'):
+      removing_check_header = True
+    if removing_check_header and not skip_output_filter:
+      if line == '\n':
+        empty_lines += 1
+      if empty_lines == 2:
+        removing_check_header = False
+      continue
+
+    # Different lines get removed to ease output reading.
+    if not skip_output_filter and skip_line(line):
+      continue
+
+    # Print line, because no filter was matched.
+    if line != '\n':
+        sys.stdout.write(line)
+
+
+def ClangTidyRunAggregate(build_folder, print_files):
+  """
+  Run clang-tidy on the full codebase and aggregate warnings into categories.
+  """
+  with open(os.devnull, 'w') as DEVNULL:
+    ct_process = subprocess.Popen(
+      ['run-clang-tidy', '-j' + str(THREADS), '-p', '.'] +
+        ['-header-filter'] + HEADER_REGEX +
+        FILE_REGEXS,
+      cwd=build_folder,
+      stdout=subprocess.PIPE,
+      stderr=DEVNULL)
+  warnings = dict()
+  while True:
+    line = ct_process.stdout.readline()
+    if line == '':
+      break
+
+    res = CLANG_TIDY_WARNING.search(line)
+    if res is not None:
+      warnings.setdefault(
+          res.group(2),
+          ClangTidyWarning(res.group(2))).add_occurrence(res.group(1))
+
+  for warning in sorted(warnings.values(), reverse=True):
+    sys.stdout.write(warning.to_string(print_files))
+
+
+def ClangTidyRunDiff(build_folder, diff_branch, auto_fix):
+  """
+  Run clang-tidy on the diff between current and the diff_branch.
+  """
+  if diff_branch is None:
+    diff_branch = subprocess.check_output(['git', 'merge-base',
+                                           'HEAD', 'origin/master']).strip()
+
+  git_ps = subprocess.Popen(
+    ['git', 'diff', '-U0', diff_branch], stdout=subprocess.PIPE)
+
+  extra_args = []
+  if auto_fix:
+    extra_args.append('-fix')
+
+  with open(os.devnull, 'w') as DEVNULL:
+    """
+    The script `clang-tidy-diff` does not provide support to add header-
+    filters. To still analyze headers we use the build path option `-path` to
+    inject out header-filter option.  This works because the script just adds
+    the passed path string to the commandline of clang-tidy.
+    """
+    modified_build_folder = build_folder
+    modified_build_folder += ' -header-filter='
+    modified_build_folder += '\'' + ''.join(HEADER_REGEX) + '\''
+
+    ct_ps = subprocess.Popen(
+      ['clang-tidy-diff.py', '-path', modified_build_folder, '-p1'] +
+        extra_args,
+      stdin=git_ps.stdout,
+      stdout=subprocess.PIPE,
+      stderr=DEVNULL)
+  git_ps.wait()
+  while True:
+    line = ct_ps.stdout.readline()
+    if line == '':
+      break
+
+    if skip_line(line):
+      continue
+
+    sys.stdout.write(line)
+
+
+def rm_prefix(string, prefix):
+  """
+  Removes prefix from a string until the new string
+  no longer starts with the prefix.
+  """
+  while string.startswith(prefix):
+    string = string[len(prefix):]
+  return string
+
+
+def ClangTidyRunSingleFile(build_folder, filename_to_check, auto_fix,
+                           line_ranges=[]):
+  """
+  Run clang-tidy on a single file.
+  """
+  files_with_relative_path = []
+
+  compdb_filepath = os.path.join(build_folder, 'compile_commands.json')
+  with open(compdb_filepath) as raw_json_file:
+    compdb = json.load(raw_json_file)
+
+  for db_entry in compdb:
+    if db_entry['file'].endswith(filename_to_check):
+      files_with_relative_path.append(db_entry['file'])
+
+  with open(os.devnull, 'w') as DEVNULL:
+    for file_with_relative_path in files_with_relative_path:
+      line_filter = None
+      if len(line_ranges) != 0:
+        line_filter = '['
+        line_filter += '{ \"lines\":[' + ', '.join(line_ranges)
+        line_filter += '], \"name\":\"'
+        line_filter += rm_prefix(file_with_relative_path,
+                                 '../') + '\"}'
+        line_filter += ']'
+
+      extra_args = ['-line-filter=' + line_filter] if line_filter else []
+
+      if auto_fix:
+        extra_args.append('-fix')
+
+      subprocess.call(['clang-tidy', '-p', '.'] +
+                      extra_args +
+                      [file_with_relative_path],
+                      cwd=build_folder,
+                      stderr=DEVNULL)
+
+
+def CheckClangTidy():
+  """
+  Checks if a clang-tidy binary exists.
+  """
+  with open(os.devnull, 'w') as DEVNULL:
+    return subprocess.call(['which', 'clang-tidy'], stdout=DEVNULL) == 0
+
+
+def CheckCompDB(build_folder):
+  """
+  Checks if a compilation database exists in the build_folder.
+  """
+  return os.path.isfile(os.path.join(build_folder, 'compile_commands.json'))
+
+
+def DetectBuildFolder():
+    """
+    Tries to auto detect the last used build folder in out/
+    """
+    outdirs_folder = 'out/'
+    last_used = None
+    last_timestamp = -1
+    for outdir in [outdirs_folder + folder_name
+                   for folder_name in os.listdir(outdirs_folder)
+                   if os.path.isdir(outdirs_folder + folder_name)]:
+        outdir_modified_timestamp = os.path.getmtime(outdir)
+        if  outdir_modified_timestamp > last_timestamp:
+            last_timestamp = outdir_modified_timestamp
+            last_used = outdir
+
+    return last_used
+
+
+def GetOptions():
+  """
+  Generate the option parser for this script.
+  """
+  result = optparse.OptionParser()
+  result.add_option(
+    '-b',
+    '--build-folder',
+    help='Set V8 build folder',
+    dest='build_folder',
+    default=None)
+  result.add_option(
+    '-j',
+    help='Set the amount of threads that should be used',
+    dest='threads',
+    default=None)
+  result.add_option(
+    '--gen-compdb',
+    help='Generate a compilation database for clang-tidy',
+    default=False,
+    action='store_true')
+  result.add_option(
+    '--no-output-filter',
+    help='Done use any output filterning',
+    default=False,
+    action='store_true')
+  result.add_option(
+    '--fix',
+    help='Fix auto fixable issues',
+    default=False,
+    dest='auto_fix',
+    action='store_true'
+  )
+
+  # Full clang-tidy.
+  full_run_g = optparse.OptionGroup(result, 'Clang-tidy full', '')
+  full_run_g.add_option(
+    '--full',
+    help='Run clang-tidy on the whole codebase',
+    default=False,
+    action='store_true')
+  full_run_g.add_option('--checks',
+                        help='Clang-tidy checks to use.',
+                        default=None)
+  result.add_option_group(full_run_g)
+
+  # Aggregate clang-tidy.
+  agg_run_g = optparse.OptionGroup(result, 'Clang-tidy aggregate', '')
+  agg_run_g.add_option('--aggregate', help='Run clang-tidy on the whole '\
+             'codebase and aggregate the warnings',
+             default=False, action='store_true')
+  agg_run_g.add_option('--show-loc', help='Show file locations when running '\
+             'in aggregate mode', default=False,
+             action='store_true')
+  result.add_option_group(agg_run_g)
+
+  # Diff clang-tidy.
+  diff_run_g = optparse.OptionGroup(result, 'Clang-tidy diff', '')
+  diff_run_g.add_option('--branch', help='Run clang-tidy on the diff '\
+             'between HEAD and the merge-base between HEAD '\
+             'and DIFF_BRANCH (origin/master by default).',
+             default=None, dest='diff_branch')
+  result.add_option_group(diff_run_g)
+
+  # Single clang-tidy.
+  single_run_g = optparse.OptionGroup(result, 'Clang-tidy single', '')
+  single_run_g.add_option(
+    '--single', help='', default=False, action='store_true')
+  single_run_g.add_option(
+    '--file', help='File name to check', default=None, dest='file_name')
+  single_run_g.add_option('--lines', help='Limit checks to a line range. '\
+              'For example: --lines="[2,4], [5,6]"',
+              default=[], dest='line_ranges')
+
+  result.add_option_group(single_run_g)
+  return result
+
+
+def main():
+  parser = GetOptions()
+  (options, _) = parser.parse_args()
+
+  if options.threads is not None:
+    global THREADS
+    THREADS = options.threads
+
+  if options.build_folder is None:
+    options.build_folder = DetectBuildFolder()
+
+  if not CheckClangTidy():
+    print 'Could not find clang-tidy'
+  elif options.build_folder is None or not os.path.isdir(options.build_folder):
+    print 'Please provide a build folder with -b'
+  elif options.gen_compdb:
+    GenerateCompileCommands(options.build_folder)
+  elif not CheckCompDB(options.build_folder):
+    print 'Could not find compilation database, ' \
+      'please generate it with --gen-compdb'
+  else:
+    print 'Using build folder:', options.build_folder
+    if options.full:
+      print 'Running clang-tidy - full'
+      ClangTidyRunFull(options.build_folder,
+                       options.no_output_filter,
+                       options.checks,
+                       options.auto_fix)
+    elif options.aggregate:
+      print 'Running clang-tidy - aggregating warnings'
+      if options.auto_fix:
+        print 'Auto fix not working in aggregate mode, running without.'
+      ClangTidyRunAggregate(options.build_folder, options.show_loc)
+    elif options.single:
+      print 'Running clang-tidy - single on ' + options.file_name
+      if options.file_name is not None:
+        line_ranges = []
+        for match in re.findall(r'(\[.*?\])', options.line_ranges):
+          if match is not []:
+            line_ranges.append(match)
+        ClangTidyRunSingleFile(options.build_folder,
+                               options.file_name,
+                               options.auto_fix,
+                               line_ranges)
+      else:
+        print 'Filename provided, please specify a filename with --file'
+    else:
+      print 'Running clang-tidy'
+      ClangTidyRunDiff(options.build_folder,
+                       options.diff_branch,
+                       options.auto_fix)
+
+
+if __name__ == '__main__':
+  main()
diff --git a/deps/v8/tools/run_perf.py b/deps/v8/tools/run_perf.py
index 310bd8a008..67861db3ea 100755
--- a/deps/v8/tools/run_perf.py
+++ b/deps/v8/tools/run_perf.py
@@ -780,7 +780,9 @@ class AndroidPlatform(Platform):  # pragma: no cover
     except android.CommandFailedException as e:
       logging.info(title % "Stdout" + "\n%s", e.output)
       raise
-    except android.TimeoutException:
+    except android.TimeoutException as e:
+      if e.output:
+        logging.info(title % "Stdout" + "\n%s", e.output)
       logging.warning(">>> Test timed out after %ss.", runnable.timeout)
       stdout = ""
     if runnable.process_size:
diff --git a/deps/v8/tools/sanitizers/tsan_suppressions.txt b/deps/v8/tools/sanitizers/tsan_suppressions.txt
index 270340e484..839636c8ce 100644
--- a/deps/v8/tools/sanitizers/tsan_suppressions.txt
+++ b/deps/v8/tools/sanitizers/tsan_suppressions.txt
@@ -4,3 +4,7 @@
 # Incorrectly detected lock cycles in test-lockers
 # https://code.google.com/p/thread-sanitizer/issues/detail?id=81
 deadlock:LockAndUnlockDifferentIsolatesThread::Run
+
+# Data race in a third party lib
+# https://bugs.chromium.org/p/v8/issues/detail?id=8110
+race:IndianCalendar::fgSystemDefaultCenturyStartYear
diff --git a/deps/v8/tools/test262-results-parser.js b/deps/v8/tools/test262-results-parser.js
new file mode 100644
index 0000000000..379436e3f0
--- /dev/null
+++ b/deps/v8/tools/test262-results-parser.js
@@ -0,0 +1,41 @@
+// 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.
+//
+// Run the test runner and dump a json file. Use this script to pass
+// the json file and return a list of failing tests that can be copied
+// to test262.status.
+//
+// Usage:
+//
+// Run the test runner to generate the results:
+// $ tools/run-tests.py --gn test262 --json-test-results=tools/.test262-results.json
+//
+// Run this script to print the formatted results:
+// $ node tools/test262-results-parser.js .test262-results.json
+//
+// Note: The json results file generated by the test runner should be
+// in the tools/ directly, which is the same dir as this script.
+
+var fs = require('fs'),
+    path = require('path');
+
+function main() {
+  if (process.argv.length === 2)  {
+    throw new Error('File name required as first arg.');
+  }
+
+  var fileName = process.argv[2],
+      fullPath = path.join(__dirname, fileName),
+      results = require(fullPath)[0].results,
+      tests = new Set();
+  for (let result of results) {
+    let [_, ...test] = result.name.split('/');
+    tests.add(`  '${test.join('/')}': [FAIL],`);
+  }
+
+
+  [...tests].sort().forEach(i => console.log(i));
+}
+
+main();
diff --git a/deps/v8/tools/testrunner/base_runner.py b/deps/v8/tools/testrunner/base_runner.py
index 481cc10134..fcb2202f8a 100644
--- a/deps/v8/tools/testrunner/base_runner.py
+++ b/deps/v8/tools/testrunner/base_runner.py
@@ -73,13 +73,12 @@ TEST_MAP = {
   ],
   # This needs to stay in sync with test/d8_default.isolate.
   "d8_default": [
-    # TODO(machenbach): uncomment after infra side lands.
-    #"debugger",
+    "debugger",
     "mjsunit",
     "webkit",
-    #"message",
-    #"preparser",
-    #"intl",
+    "message",
+    "preparser",
+    "intl",
   ],
   # This needs to stay in sync with test/optimize_for_size.isolate.
   "optimize_for_size": [
@@ -312,6 +311,9 @@ class BaseTestRunner(object):
     parser.add_option("--junitout", help="File name of the JUnit output")
     parser.add_option("--junittestsuite", default="v8tests",
                       help="The testsuite name in the JUnit output file")
+    parser.add_option("--exit-after-n-failures", type="int", default=100,
+                      help="Exit after the first N failures instead of "
+                           "running all tests. Pass 0 to disable this feature.")
 
     # Rerun
     parser.add_option("--rerun-failures-count", default=0, type=int,
@@ -745,6 +747,9 @@ class BaseTestRunner(object):
         self.mode_options.execution_mode))
     return procs
 
+  def _create_result_tracker(self, options):
+    return progress.ResultsTracker(options.exit_after_n_failures)
+
   def _create_timeout_proc(self, options):
     if not options.total_timeout_sec:
       return None
diff --git a/deps/v8/tools/testrunner/local/android.py b/deps/v8/tools/testrunner/local/android.py
index fb25bb5a17..707614f095 100644
--- a/deps/v8/tools/testrunner/local/android.py
+++ b/deps/v8/tools/testrunner/local/android.py
@@ -18,8 +18,9 @@ DEVICE_DIR = '/data/local/tmp/v8/'
 
 
 class TimeoutException(Exception):
-  def __init__(self, timeout):
+  def __init__(self, timeout, output=None):
     self.timeout = timeout
+    self.output = output
 
 
 class CommandFailedException(Exception):
@@ -170,8 +171,8 @@ class _Driver(object):
         return '\n'.join(output)
       except device_errors.AdbCommandFailedError as e:
         raise CommandFailedException(e.status, e.output)
-      except device_errors.CommandTimeoutError:
-        raise TimeoutException(timeout)
+      except device_errors.CommandTimeoutError as e:
+        raise TimeoutException(timeout, e.output)
 
 
     if logcat_file:
diff --git a/deps/v8/tools/testrunner/local/command.py b/deps/v8/tools/testrunner/local/command.py
index 302d568e87..d176323d02 100644
--- a/deps/v8/tools/testrunner/local/command.py
+++ b/deps/v8/tools/testrunner/local/command.py
@@ -211,7 +211,7 @@ class AndroidCommand(BaseCommand):
     """
     self.shell_name = os.path.basename(shell)
     self.shell_dir = os.path.dirname(shell)
-    self.files_to_push = resources_func()
+    self.files_to_push = (resources_func or (lambda: []))()
 
     # Make all paths in arguments relative and also prepare files from arguments
     # for pushing to the device.
diff --git a/deps/v8/tools/testrunner/local/pool.py b/deps/v8/tools/testrunner/local/pool.py
index 7c9a250bc3..9735f8ea66 100644
--- a/deps/v8/tools/testrunner/local/pool.py
+++ b/deps/v8/tools/testrunner/local/pool.py
@@ -26,6 +26,9 @@ def setup_testing():
   from threading import Thread as Process
   # Monkeypatch threading Queue to look like multiprocessing Queue.
   Queue.cancel_join_thread = lambda self: None
+  # Monkeypatch os.kill and add fake pid property on Thread.
+  os.kill = lambda *args: None
+  Process.pid = property(lambda self: None)
 
 
 class NormalResult():
diff --git a/deps/v8/tools/testrunner/num_fuzzer.py b/deps/v8/tools/testrunner/num_fuzzer.py
index b55dd2102d..3b76541604 100755
--- a/deps/v8/tools/testrunner/num_fuzzer.py
+++ b/deps/v8/tools/testrunner/num_fuzzer.py
@@ -138,7 +138,7 @@ class NumFuzzer(base_runner.BaseTestRunner):
     fuzzer_rng = random.Random(options.fuzzer_random_seed)
 
     combiner = self._create_combiner(fuzzer_rng, options)
-    results = ResultsTracker()
+    results = self._create_result_tracker(options)
     execproc = ExecutionProc(options.j)
     sigproc = self._create_signal_proc()
     indicators = self._create_progress_indicators(options)
diff --git a/deps/v8/tools/testrunner/objects/predictable.py b/deps/v8/tools/testrunner/objects/predictable.py
index 48279d625c..52d14ea460 100644
--- a/deps/v8/tools/testrunner/objects/predictable.py
+++ b/deps/v8/tools/testrunner/objects/predictable.py
@@ -45,5 +45,4 @@ class OutProc(outproc_base.BaseOutProc):
 
 class PredictableFilterProc(testproc_base.TestProcFilter):
   def _filter(self, test):
-    return (statusfile.FAIL in test.expected_outcomes or
-            test.output_proc.negative)
+    return test.skip_predictable()
diff --git a/deps/v8/tools/testrunner/objects/testcase.py b/deps/v8/tools/testrunner/objects/testcase.py
index 7416590dd0..de8bc561eb 100644
--- a/deps/v8/tools/testrunner/objects/testcase.py
+++ b/deps/v8/tools/testrunner/objects/testcase.py
@@ -37,6 +37,21 @@ from ..local import utils
 
 FLAGS_PATTERN = re.compile(r"//\s+Flags:(.*)")
 
+# Patterns for additional resource files on Android. Files that are not covered
+# by one of the other patterns below will be specified in the resources section.
+RESOURCES_PATTERN = re.compile(r"//\s+Resources:(.*)")
+# Pattern to auto-detect files to push on Android for statements like:
+# load("path/to/file.js")
+LOAD_PATTERN = re.compile(
+    r"(?:load|readbuffer|read)\((?:'|\")([^'\"]*)(?:'|\")\)")
+# Pattern to auto-detect files to push on Android for statements like:
+# import "path/to/file.js"
+MODULE_RESOURCES_PATTERN_1 = re.compile(
+    r"(?:import|export)(?:\(| )(?:'|\")([^'\"]*)(?:'|\")")
+# Pattern to auto-detect files to push on Android for statements like:
+# import foobar from "path/to/file.js"
+MODULE_RESOURCES_PATTERN_2 = re.compile(
+    r"(?:import|export).*from (?:'|\")([^'\"]*)(?:'|\")")
 
 
 class TestCase(object):
@@ -143,7 +158,10 @@ class TestCase(object):
   def get_command(self):
     params = self._get_cmd_params()
     env = self._get_cmd_env()
-    shell, shell_flags = self._get_shell_with_flags()
+    shell = self.get_shell()
+    if utils.IsWindows():
+      shell += '.exe'
+    shell_flags = self._get_shell_flags()
     timeout = self._get_timeout(params)
     return self._create_cmd(shell, shell_flags + params, env, timeout)
 
@@ -207,14 +225,8 @@ class TestCase(object):
   def _get_suite_flags(self):
     return []
 
-  def _get_shell_with_flags(self):
-    shell = self.get_shell()
-    shell_flags = []
-    if shell == 'd8':
-      shell_flags.append('--test')
-    if utils.IsWindows():
-      shell += '.exe'
-    return shell, shell_flags
+  def _get_shell_flags(self):
+    return []
 
   def _get_timeout(self, params):
     timeout = self._test_config.timeout
@@ -228,7 +240,7 @@ class TestCase(object):
     return timeout
 
   def get_shell(self):
-    return 'd8'
+    raise NotImplementedError()
 
   def _get_suffix(self):
     return '.js'
@@ -269,6 +281,10 @@ class TestCase(object):
     """
     return []
 
+  def skip_predictable(self):
+    """Returns True if the test case is not suitable for predictable testing."""
+    return True
+
   @property
   def output_proc(self):
     if self.expected_outcomes is outproc.OUTCOMES_PASS:
@@ -285,3 +301,57 @@ class TestCase(object):
 
   def __str__(self):
     return self.suite.name + '/' + self.name
+
+
+class D8TestCase(TestCase):
+  def get_shell(self):
+    return "d8"
+
+  def _get_shell_flags(self):
+    return ['--test']
+
+  def _get_resources_for_file(self, file):
+    """Returns for a given file a list of absolute paths of files needed by the
+    given file.
+    """
+    with open(file) as f:
+      source = f.read()
+    result = []
+    def add_path(path):
+      result.append(os.path.abspath(path.replace('/', os.path.sep)))
+    for match in RESOURCES_PATTERN.finditer(source):
+      # There are several resources per line. Relative to base dir.
+      for path in match.group(1).strip().split():
+        add_path(path)
+    for match in LOAD_PATTERN.finditer(source):
+      # Files in load statements are relative to base dir.
+      add_path(match.group(1))
+    for match in MODULE_RESOURCES_PATTERN_1.finditer(source):
+      # Imported files are relative to the file importing them.
+      add_path(os.path.join(os.path.dirname(file), match.group(1)))
+    for match in MODULE_RESOURCES_PATTERN_2.finditer(source):
+      # Imported files are relative to the file importing them.
+      add_path(os.path.join(os.path.dirname(file), match.group(1)))
+    return result
+
+  def _get_resources(self):
+    """Returns the list of files needed by a test case."""
+    if not self._get_source_path():
+      return []
+    result = set()
+    to_check = [self._get_source_path()]
+    # Recurse over all files until reaching a fixpoint.
+    while to_check:
+      next_resource = to_check.pop()
+      result.add(next_resource)
+      for resource in self._get_resources_for_file(next_resource):
+        # Only add files that exist on disc. The pattens we check for give some
+        # false positives otherwise.
+        if resource not in result and os.path.exists(resource):
+          to_check.append(resource)
+    return sorted(list(result))
+
+  def skip_predictable(self):
+    """Returns True if the test case is not suitable for predictable testing."""
+    return (statusfile.FAIL in self.expected_outcomes or
+            self.output_proc.negative)
diff --git a/deps/v8/tools/testrunner/standard_runner.py b/deps/v8/tools/testrunner/standard_runner.py
index bd5df9b482..bf7d3f133d 100755
--- a/deps/v8/tools/testrunner/standard_runner.py
+++ b/deps/v8/tools/testrunner/standard_runner.py
@@ -282,7 +282,7 @@ class StandardTestRunner(base_runner.BaseTestRunner):
       print '>>> Running with test processors'
       loader = LoadProc()
       tests_counter = TestsCounter()
-      results = ResultsTracker()
+      results = self._create_result_tracker(options)
       indicators = self._create_progress_indicators(options)
 
       outproc_factory = None
diff --git a/deps/v8/tools/testrunner/testproc/progress.py b/deps/v8/tools/testrunner/testproc/progress.py
index 221c64bfdd..50b7307e1c 100644
--- a/deps/v8/tools/testrunner/testproc/progress.py
+++ b/deps/v8/tools/testrunner/testproc/progress.py
@@ -32,13 +32,15 @@ class TestsCounter(base.TestProcObserver):
 
 
 class ResultsTracker(base.TestProcObserver):
-  def __init__(self):
+  """Tracks number of results and stops to run tests if max_failures reached."""
+  def __init__(self, max_failures):
     super(ResultsTracker, self).__init__()
     self._requirement = base.DROP_OUTPUT
 
     self.failed = 0
     self.remaining = 0
     self.total = 0
+    self.max_failures = max_failures
 
   def _on_next_test(self, test):
     self.total += 1
@@ -48,6 +50,9 @@ class ResultsTracker(base.TestProcObserver):
     self.remaining -= 1
     if result.has_unexpected_output:
       self.failed += 1
+      if self.max_failures and self.failed >= self.max_failures:
+        print '>>> Too many failures, exiting...'
+        self.stop()
 
 
 class ProgressIndicator(base.TestProcObserver):
diff --git a/deps/v8/tools/torque/format-torque.py b/deps/v8/tools/torque/format-torque.py
index 3470d2f3c3..aac432ef41 100755
--- a/deps/v8/tools/torque/format-torque.py
+++ b/deps/v8/tools/torque/format-torque.py
@@ -11,24 +11,77 @@ import sys
 import re
 from subprocess import Popen, PIPE
 
+def preprocess(input):
+  input = re.sub(r'(if\s+)constexpr(\s*\()', r'\1/*COxp*/\2', input)
+  input = re.sub(r'(\)\s*\:\s*\S+\s+)labels\s+',
+      r'\1,\n/*_LABELS_HOLD_*/ ', input)
+  input = re.sub(r'(\s+)operator\s*(\'[^\']+\')', r'\1/*_OPE \2*/', input)
+  input = re.sub(r'(\s+)typeswitch\s*\(', r'\1/*_TYPE*/switch (', input)
+  input = re.sub(r'(\s+)case\s*\(([^\s]+)\s+\:\s*([^\:]+)\)(\s*)\:',
+      r'\1case \3: /*_TSV\2:*/', input)
+  input = re.sub(r'(\s+)case\s*\(([^\:]+)\)(\s*)\:',
+      r'\1case \2: /*_TSX*/', input)
+  input = re.sub(r'\sgenerates\s+\'([^\']+)\'\s*',
+      r' _GeNeRaTeS00_/*\1@*/', input)
+  input = re.sub(r'\sconstexpr\s+\'([^\']+)\'\s*',
+      r' _CoNsExP_/*\1@*/', input)
+  input = re.sub(r'\notherwise',
+      r'\n otherwise', input)
+  input = re.sub(r'(\n\s*\S[^\n]*\s)otherwise',
+      r'\1_OtheSaLi', input)
+  return input
+
+def postprocess(output):
+  output = re.sub(r'\/\*COxp\*\/', r'constexpr', output)
+  output = re.sub(r'(\S+)\s*: type([,>])', r'\1: type\2', output)
+  output = re.sub(r',([\n ]*)\/\*_LABELS_HOLD_\*\/', r'\1labels', output)
+  output = re.sub(r'\/\*_OPE \'([^\']+)\'\*\/', r"operator '\1'", output)
+  output = re.sub(r'\/\*_TYPE\*\/(\s*)switch', r'typeswitch', output)
+  output = re.sub(r'case ([^\:]+)\:\s*\/\*_TSX\*\/',
+      r'case (\1):', output)
+  output = re.sub(r'case ([^\:]+)\:\s*\/\*_TSV([^\:]+)\:\*\/',
+      r'case (\2: \1):', output)
+  output = re.sub(r'\n_GeNeRaTeS00_\s*\/\*([^@]+)@\*\/',
+      r"\n    generates '\1'", output)
+  output = re.sub(r'_GeNeRaTeS00_\s*\/\*([^@]+)@\*\/',
+      r"generates '\1'", output)
+  output = re.sub(r'_CoNsExP_\s*\/\*([^@]+)@\*\/',
+      r"constexpr '\1'", output)
+  output = re.sub(r'\n(\s+)otherwise',
+      r"\n\1    otherwise", output)
+  output = re.sub(r'\n(\s+)_OtheSaLi',
+      r"\n\1otherwise", output)
+  output = re.sub(r'_OtheSaLi',
+      r"otherwise", output)
+  return output
+
 if len(sys.argv) < 2 or len(sys.argv) > 3:
   print "invalid number of arguments"
   sys.exit(-1)
 
 use_stdout = True
-if len(sys.argv) == 3 and sys.argv[1] == '-i':
-  use_stdout = False
+lint = False
+if len(sys.argv) == 3:
+  if sys.argv[1] == '-i':
+    use_stdout = False
+  if sys.argv[1] == '-l':
+    lint = True
 
 filename = sys.argv[len(sys.argv) - 1]
 
 with open(filename, 'r') as content_file:
   content = content_file.read()
+original_input = content
 p = Popen(['clang-format', '-assume-filename=.ts'], stdin=PIPE, stdout=PIPE, stderr=PIPE)
-output, err = p.communicate(content)
+output, err = p.communicate(preprocess(content))
+output = postprocess(output)
 rc = p.returncode
 if (rc <> 0):
   sys.exit(rc);
-if use_stdout:
+if lint:
+  if (output != original_input):
+    print >>sys.stderr, filename + ' requires formatting'
+elif use_stdout:
   print output
 else:
   output_file = open(filename, 'w')
diff --git a/deps/v8/tools/torque/vscode-torque/syntaxes/torque.tmLanguage.json b/deps/v8/tools/torque/vscode-torque/syntaxes/torque.tmLanguage.json
index ece8527c2d..d1d43e5dcb 100644
--- a/deps/v8/tools/torque/vscode-torque/syntaxes/torque.tmLanguage.json
+++ b/deps/v8/tools/torque/vscode-torque/syntaxes/torque.tmLanguage.json
@@ -30,7 +30,7 @@
 		},
 		{
 			"name": "support.function.torque",
-			"match": "\\b(min|max|assert|check|debug|unreachable)\\b"
+			"match": "\\b(assert|check|debug|unreachable|Cast|Convert|FromConstexpr|UnsafeCast)\\b"
 		},
     {
       "name": "support.variable.torque",
@@ -65,7 +65,7 @@
 			},
 			{
 				"name": "keyword.other.torque",
-				"match": "\\b(constexpr|module|macro|builtin|runtime|javascript|implicit|deferred|cast|convert|label|labels|tail|isnt|is|let|generates|type|extends|extern|const)\\b"
+				"match": "\\b(constexpr|module|macro|builtin|runtime|javascript|implicit|deferred|label|labels|tail|let|generates|type|extends|extern|const|typeswitch|case)\\b"
 			},
 			{
 				"name": "keyword.operator.torque",
diff --git a/deps/v8/tools/try_perf.py b/deps/v8/tools/try_perf.py
index 58035efcc0..c6dc394389 100755
--- a/deps/v8/tools/try_perf.py
+++ b/deps/v8/tools/try_perf.py
@@ -18,6 +18,7 @@ BOTS = {
   '--nexus7': 'v8_nexus7_perf_try',
   '--nexus10': 'v8_nexus10_perf_try',
   '--pixel2': 'v8_pixel2_perf_try',
+  '--nokia1': 'v8_nokia1_perf_try',
 }
 
 # This list will contain builder names that should be triggered on an internal
@@ -25,6 +26,7 @@ BOTS = {
 SWARMING_BOTS = [
   'v8_linux64_perf_try',
   'v8_pixel2_perf_try',
+  'v8_nokia1_perf_try',
 ]
 
 DEFAULT_BOTS = [
diff --git a/deps/v8/tools/turbolizer/README.md b/deps/v8/tools/turbolizer/README.md
index 01d5099c3e..293f4a20a6 100644
--- a/deps/v8/tools/turbolizer/README.md
+++ b/deps/v8/tools/turbolizer/README.md
@@ -10,8 +10,8 @@ the '--trace-turbo' command-line flag.
 
 Turbolizer is build using npm:
 
-  npm i
-  npm run-script build
+    npm i
+    npm run-script build
 
 Afterwards, turbolizer can be hosted locally by starting a web server that serve
 the contents of the turbolizer directory, e.g.:
diff --git a/deps/v8/tools/turbolizer/rollup.config.js b/deps/v8/tools/turbolizer/rollup.config.js
index 844e6e186d..bb34555a7d 100644
--- a/deps/v8/tools/turbolizer/rollup.config.js
+++ b/deps/v8/tools/turbolizer/rollup.config.js
@@ -6,8 +6,7 @@ import typescript from 'rollup-plugin-typescript2';
 import node from 'rollup-plugin-node-resolve';
 
 export default {
-  entry: "src/turbo-visualizer.ts",
-  format: "iife",
+  input: "src/turbo-visualizer.ts",
   plugins: [node(), typescript({abortOnError:false})],
-  dest: "build/turbolizer.js"
+  output: {file: "build/turbolizer.js", format: "iife", sourcemap: true}
 };
diff --git a/deps/v8/tools/turbolizer/src/graphmultiview.ts b/deps/v8/tools/turbolizer/src/graphmultiview.ts
index 66d1103e38..f9e7efb58c 100644
--- a/deps/v8/tools/turbolizer/src/graphmultiview.ts
+++ b/deps/v8/tools/turbolizer/src/graphmultiview.ts
@@ -4,6 +4,7 @@
 
 import {GraphView} from "./graph-view.js"
 import {ScheduleView} from "./schedule-view.js"
+import {SequenceView} from "./sequence-view.js"
 import {SourceResolver} from "./source-resolver.js"
 import {SelectionBroker} from "./selection-broker.js"
 import {View, PhaseView} from "./view.js"
@@ -13,6 +14,7 @@ export class GraphMultiView extends View {
   selectionBroker: SelectionBroker;
   graph: GraphView;
   schedule: ScheduleView;
+  sequence: SequenceView;
   selectMenu: HTMLSelectElement;
   currentPhaseView: View & PhaseView;
 
@@ -36,6 +38,7 @@ export class GraphMultiView extends View {
     this.graph = new GraphView(id, selectionBroker,
       (phaseName) => view.displayPhaseByName(phaseName));
     this.schedule = new ScheduleView(id, selectionBroker);
+    this.sequence = new SequenceView(id, selectionBroker);
     this.selectMenu = (<HTMLSelectElement>document.getElementById('display-selector'));
   }
 
@@ -69,6 +72,8 @@ export class GraphMultiView extends View {
       this.displayPhaseView(this.graph, phase.data);
     } else if (phase.type == 'schedule') {
       this.displayPhaseView(this.schedule, phase);
+    } else if (phase.type == 'sequence') {
+      this.displayPhaseView(this.sequence, phase);
     }
   }
 
diff --git a/deps/v8/tools/turbolizer/src/sequence-view.ts b/deps/v8/tools/turbolizer/src/sequence-view.ts
new file mode 100644
index 0000000000..afddb56649
--- /dev/null
+++ b/deps/v8/tools/turbolizer/src/sequence-view.ts
@@ -0,0 +1,235 @@
+// 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.
+
+import {Sequence} from "./source-resolver.js"
+import {isIterable} from "./util.js"
+import {PhaseView} from "./view.js"
+import {TextView} from "./text-view.js"
+
+export class SequenceView extends TextView implements PhaseView {
+  sequence: Sequence;
+  search_info: Array<any>;
+
+  createViewElement() {
+    const pane = document.createElement('div');
+    pane.setAttribute('id', "sequence");
+    return pane;
+  }
+
+  constructor(parentId, broker) {
+    super(parentId, broker, null);
+  }
+
+  attachSelection(s) {
+    const view = this;
+    if (!(s instanceof Set)) return;
+    view.selectionHandler.clear();
+    view.blockSelectionHandler.clear();
+    const selected = new Array();
+    for (const key of s) selected.push(key);
+    view.selectionHandler.select(selected, true);
+  }
+
+  detachSelection() {
+    this.blockSelection.clear();
+    return this.selection.detachSelection();
+  }
+
+  initializeContent(data, rememberedSelection) {
+    this.divNode.innerHTML = '';
+    this.sequence = data.sequence;
+    this.search_info = [];
+    this.addBlocks(this.sequence.blocks);
+    this.attachSelection(rememberedSelection);
+  }
+
+  elementForBlock(block) {
+    const view = this;
+    function createElement(tag: string, cls: string | Array<string>, content?: string) {
+      const el = document.createElement(tag);
+      if (isIterable(cls)) {
+        for (const c of cls) el.classList.add(c);
+      } else {
+        el.classList.add(cls);
+      }
+      if (content != undefined) el.innerHTML = content;
+      return el;
+    }
+
+    function mkLinkHandler(id, handler) {
+      return function (e) {
+        e.stopPropagation();
+        if (!e.shiftKey) {
+          handler.clear();
+        }
+        handler.select(["" + id], true);
+      };
+    }
+
+    function mkBlockLinkHandler(blockId) {
+      return mkLinkHandler(blockId, view.blockSelectionHandler);
+    }
+
+    function mkOperandLinkHandler(text) {
+      return mkLinkHandler(text, view.selectionHandler);
+    }
+
+    function elementForOperand(operand, search_info) {
+      var text = operand.text;
+      const operandEl = createElement("div", ["parameter", "tag", "clickable", operand.type], text);
+      if (operand.tooltip) {
+        operandEl.setAttribute("title", operand.tooltip);
+      }
+      operandEl.onclick = mkOperandLinkHandler(text);
+      search_info.push(text);
+      view.addHtmlElementForNodeId(text, operandEl);
+      return operandEl;
+    }
+
+    function elementForInstruction(instruction, search_info) {
+      const instNodeEl = createElement("div", "instruction-node");
+
+      const inst_id = createElement("div", "instruction-id", instruction.id);
+      instNodeEl.appendChild(inst_id);
+
+      const instContentsEl = createElement("div", "instruction-contents");
+      instNodeEl.appendChild(instContentsEl);
+
+      // Print gap moves.
+      const gapEl = createElement("div", "gap", "gap");
+      instContentsEl.appendChild(gapEl);
+      for (const gap of instruction.gaps) {
+        const moves = createElement("div", ["comma-sep-list", "gap-move"]);
+        for (const move of gap) {
+          const moveEl = createElement("div", "move");
+          const destinationEl = elementForOperand(move[0], search_info);
+          moveEl.appendChild(destinationEl);
+          const assignEl = createElement("div", "assign", "=");
+          moveEl.appendChild(assignEl);
+          const sourceEl = elementForOperand(move[1], search_info);
+          moveEl.appendChild(sourceEl);
+          moves.appendChild(moveEl);
+        }
+        gapEl.appendChild(moves);
+      }
+
+      const instEl = createElement("div", "instruction");
+      instContentsEl.appendChild(instEl);
+
+      if (instruction.outputs.length > 0) {
+        const outputs = createElement("div", ["comma-sep-list", "input-output-list"]);
+        for (const output of instruction.outputs) {
+          const outputEl = elementForOperand(output, search_info);
+          outputs.appendChild(outputEl);
+        }
+        instEl.appendChild(outputs);
+        const assignEl = createElement("div", "assign", "=");
+        instEl.appendChild(assignEl);
+      }
+
+      var text = instruction.opcode + instruction.flags;
+      const inst_label = createElement("div", "node-label", text);
+      search_info.push(text);
+      view.addHtmlElementForNodeId(text, inst_label);
+      instEl.appendChild(inst_label);
+
+      if (instruction.inputs.length > 0) {
+        const inputs = createElement("div", ["comma-sep-list", "input-output-list"]);
+        for (const input of instruction.inputs) {
+          const inputEl = elementForOperand(input, search_info);
+          inputs.appendChild(inputEl);
+        }
+        instEl.appendChild(inputs);
+      }
+
+      if (instruction.temps.length > 0) {
+        const temps = createElement("div", ["comma-sep-list", "input-output-list", "temps"]);
+        for (const temp of instruction.temps) {
+          const tempEl = elementForOperand(temp, search_info);
+          temps.appendChild(tempEl);
+        }
+        instEl.appendChild(temps);
+      }
+
+      return instNodeEl;
+    }
+
+    const sequence_block = createElement("div", "schedule-block");
+
+    const block_id = createElement("div", ["block-id", "com", "clickable"], block.id);
+    block_id.onclick = mkBlockLinkHandler(block.id);
+    sequence_block.appendChild(block_id);
+    const block_pred = createElement("div", ["predecessor-list", "block-list", "comma-sep-list"]);
+    for (const pred of block.predecessors) {
+      const predEl = createElement("div", ["block-id", "com", "clickable"], pred);
+      predEl.onclick = mkBlockLinkHandler(pred);
+      block_pred.appendChild(predEl);
+    }
+    if (block.predecessors.length > 0) sequence_block.appendChild(block_pred);
+    const phis = createElement("div", "phis");
+    sequence_block.appendChild(phis);
+
+    const phiLabel = createElement("div", "phi-label", "phi:");
+    phis.appendChild(phiLabel);
+
+    const phiContents = createElement("div", "phi-contents");
+    phis.appendChild(phiContents);
+
+    for (const phi of block.phis) {
+      const phiEl = createElement("div", "phi");
+      phiContents.appendChild(phiEl);
+
+      const outputEl = elementForOperand(phi.output, this.search_info);
+      phiEl.appendChild(outputEl);
+
+      const assignEl = createElement("div", "assign", "=");
+      phiEl.appendChild(assignEl);
+
+      for (const input of phi.operands) {
+        const inputEl = createElement("div", ["parameter", "tag", "clickable"], input);
+        phiEl.appendChild(inputEl);
+      }
+    }
+
+    const instructions = createElement("div", "instructions");
+    for (const instruction of block.instructions) {
+      instructions.appendChild(elementForInstruction(instruction, this.search_info));
+    }
+    sequence_block.appendChild(instructions);
+    const block_succ = createElement("div", ["successor-list", "block-list", "comma-sep-list"]);
+    for (const succ of block.successors) {
+      const succEl = createElement("div", ["block-id", "com", "clickable"], succ);
+      succEl.onclick = mkBlockLinkHandler(succ);
+      block_succ.appendChild(succEl);
+    }
+    if (block.successors.length > 0) sequence_block.appendChild(block_succ);
+    this.addHtmlElementForBlockId(block.id, sequence_block);
+    return sequence_block;
+  }
+
+  addBlocks(blocks) {
+    for (const block of blocks) {
+      const blockEl = this.elementForBlock(block);
+      this.divNode.appendChild(blockEl);
+    }
+  }
+
+  searchInputAction(searchBar, e) {
+    e.stopPropagation();
+    this.selectionHandler.clear();
+    const query = searchBar.value;
+    if (query.length == 0) return;
+    const select = [];
+    window.sessionStorage.setItem("lastSearch", query);
+    const reg = new RegExp(query);
+    for (const item of this.search_info) {
+      if (reg.exec(item) != null) {
+        select.push(item);
+      }
+    }
+    this.selectionHandler.select(select, true);
+  }
+
+  onresize() { }
+}
diff --git a/deps/v8/tools/turbolizer/src/source-resolver.ts b/deps/v8/tools/turbolizer/src/source-resolver.ts
index b2412d3e31..20f1f5070a 100644
--- a/deps/v8/tools/turbolizer/src/source-resolver.ts
+++ b/deps/v8/tools/turbolizer/src/source-resolver.ts
@@ -76,6 +76,10 @@ export interface Schedule {
   nodes: Array<any>;
 }
 
+export interface Sequence {
+  blocks: Array<any>;
+}
+
 export class SourceResolver {
   nodePositionMap: Array<AnyPosition>;
   sources: Array<Source>;
@@ -383,7 +387,10 @@ export class SourceResolver {
       if (phase.type == 'disassembly') {
         this.disassemblyPhase = phase;
       } else if (phase.type == 'schedule') {
-        this.phases.push(this.parseSchedule(phase))
+        this.phases.push(this.parseSchedule(phase));
+        this.phaseNames.set(phase.name, this.phases.length);
+      } else if (phase.type == 'sequence') {
+        this.phases.push(this.parseSequence(phase));
         this.phaseNames.set(phase.name, this.phases.length);
       } else if (phase.type == 'instructions') {
         if (phase.nodeIdToInstructionRange) {
@@ -525,4 +532,8 @@ export class SourceResolver {
     phase.schedule = state;
     return phase;
   }
+  parseSequence(phase) {
+    phase.sequence = { blocks: phase.blocks };
+    return phase;
+  }
 }
diff --git a/deps/v8/tools/turbolizer/turbo-visualizer.css b/deps/v8/tools/turbolizer/turbo-visualizer.css
index fcc68ee371..c7d45a7ee2 100644
--- a/deps/v8/tools/turbolizer/turbo-visualizer.css
+++ b/deps/v8/tools/turbolizer/turbo-visualizer.css
@@ -485,6 +485,11 @@ text {
     margin-left: -80px;
 }
 
+#sequence {
+    font-family: monospace;
+    margin-top: 50px;
+}
+
 #schedule {
     font-family: monospace;
     margin-top: 50px;
@@ -579,6 +584,52 @@ text {
     display: inline;
 }
 
+.instruction * {
+    padding-right: .5ex;
+}
+
+.phi-label, .instruction-id {
+    display: inline-block;
+    padding-right: .5ex;
+    padding-left: .5ex;
+    min-width: 1ex;
+    vertical-align: top;
+}
+
+.instruction-id:after {
+    content: ":";
+}
+
+.instruction-node, .gap, .instruction {
+    display: block;
+}
+
+.phi-contents, .instruction-contents, .gap *, .instruction * {
+    display: inline-block;
+}
+
+.phi * {
+    padding-right: 1ex;
+    display: inline-block;
+}
+
+.gap .gap-move {
+    padding-left: .5ex;
+    padding-right: .5ex;
+}
+
+.gap > *:before {
+    content: "(";
+}
+
+.gap > *:after {
+    content: ")";
+}
+
+.parameter.constant {
+    outline: 1px dotted red;
+}
+
 .clickable:hover {
     text-decoration: underline;
 }
@@ -601,4 +652,13 @@ text {
 
 .comma-sep-list > *:last-child {
     padding-right: 0ex;
-}
\ No newline at end of file
+}
+
+.temps:before {
+    content: "temps: ";
+}
+
+.temps {
+    padding-left: .5ex;
+    outline: 1px dotted grey;
+}
diff --git a/deps/v8/tools/unittests/run_tests_test.py b/deps/v8/tools/unittests/run_tests_test.py
index 4fb6aaff13..4eb9feeac6 100755
--- a/deps/v8/tools/unittests/run_tests_test.py
+++ b/deps/v8/tools/unittests/run_tests_test.py
@@ -684,5 +684,28 @@ class SystemTest(unittest.TestCase):
       self.assertIn('sweet/bananas', result.stdout)
       self.assertEqual(1, result.returncode, result)
 
+  def testExitAfterNFailures(self):
+    with temp_base() as basedir:
+      result = run_tests(
+          basedir,
+          '--mode=Release',
+          '--progress=verbose',
+          '--exit-after-n-failures=2',
+          '-j1',
+          'sweet/mangoes',       # PASS
+          'sweet/strawberries',  # FAIL
+          'sweet/blackberries',  # FAIL
+          'sweet/raspberries',   # should not run
+      )
+      self.assertIn('Running 4 base tests', result.stdout, result)
+      self.assertIn('sweet/mangoes: pass', result.stdout, result)
+      self.assertIn('sweet/strawberries: FAIL', result.stdout, result)
+      self.assertIn('Too many failures, exiting...', result.stdout, result)
+      self.assertIn('sweet/blackberries: FAIL', result.stdout, result)
+      self.assertNotIn('Done running sweet/raspberries', result.stdout, result)
+      self.assertIn('2 tests failed', result.stdout, result)
+      self.assertIn('3 tests ran', result.stdout, result)
+      self.assertEqual(1, result.returncode, result)
+
 if __name__ == '__main__':
   unittest.main()
diff --git a/deps/v8/tools/unittests/testdata/expected_test_results1.json b/deps/v8/tools/unittests/testdata/expected_test_results1.json
index e889ecabce..9ae985c3dc 100644
--- a/deps/v8/tools/unittests/testdata/expected_test_results1.json
+++ b/deps/v8/tools/unittests/testdata/expected_test_results1.json
@@ -4,13 +4,14 @@
   "mode": "release", 
   "results": [
     {
-      "command": "/usr/bin/python out/Release/d8_mocked.py strawberries --random-seed=123 --nohard-abort", 
+      "command": "/usr/bin/python out/Release/d8_mocked.py --test strawberries --random-seed=123 --nohard-abort", 
       "duration": 1, 
       "exit_code": 1, 
       "expected": [
         "PASS"
       ], 
       "flags": [
+        "--test",
         "strawberries", 
         "--random-seed=123", 
         "--nohard-abort"
@@ -20,18 +21,19 @@
       "result": "FAIL", 
       "run": 1, 
       "stderr": "", 
-      "stdout": "strawberries --random-seed=123 --nohard-abort\n", 
+      "stdout": "--test strawberries --random-seed=123 --nohard-abort\n", 
       "target_name": "d8_mocked.py", 
       "variant": "default"
     }, 
     {
-      "command": "/usr/bin/python out/Release/d8_mocked.py strawberries --random-seed=123 --nohard-abort", 
+      "command": "/usr/bin/python out/Release/d8_mocked.py --test strawberries --random-seed=123 --nohard-abort", 
       "duration": 1, 
       "exit_code": 1, 
       "expected": [
         "PASS"
       ], 
       "flags": [
+        "--test",
         "strawberries", 
         "--random-seed=123", 
         "--nohard-abort"
@@ -41,18 +43,19 @@
       "result": "FAIL", 
       "run": 2, 
       "stderr": "", 
-      "stdout": "strawberries --random-seed=123 --nohard-abort\n", 
+      "stdout": "--test strawberries --random-seed=123 --nohard-abort\n", 
       "target_name": "d8_mocked.py", 
       "variant": "default"
     }, 
     {
-      "command": "/usr/bin/python out/Release/d8_mocked.py strawberries --random-seed=123 --nohard-abort", 
+      "command": "/usr/bin/python out/Release/d8_mocked.py --test strawberries --random-seed=123 --nohard-abort", 
       "duration": 1, 
       "exit_code": 1, 
       "expected": [
         "PASS"
       ], 
       "flags": [
+        "--test",
         "strawberries", 
         "--random-seed=123", 
         "--nohard-abort"
@@ -62,16 +65,17 @@
       "result": "FAIL", 
       "run": 3, 
       "stderr": "", 
-      "stdout": "strawberries --random-seed=123 --nohard-abort\n", 
+      "stdout": "--test strawberries --random-seed=123 --nohard-abort\n", 
       "target_name": "d8_mocked.py", 
       "variant": "default"
     }
   ], 
   "slowest_tests": [
     {
-      "command": "/usr/bin/python out/Release/d8_mocked.py strawberries --random-seed=123 --nohard-abort", 
+      "command": "/usr/bin/python out/Release/d8_mocked.py --test strawberries --random-seed=123 --nohard-abort", 
       "duration": 1, 
       "flags": [
+        "--test",
         "strawberries", 
         "--random-seed=123", 
         "--nohard-abort"
@@ -80,9 +84,10 @@
       "name": "sweet/strawberries"
     }, 
     {
-      "command": "/usr/bin/python out/Release/d8_mocked.py strawberries --random-seed=123 --nohard-abort", 
+      "command": "/usr/bin/python out/Release/d8_mocked.py --test strawberries --random-seed=123 --nohard-abort", 
       "duration": 1, 
       "flags": [
+        "--test",
         "strawberries", 
         "--random-seed=123", 
         "--nohard-abort"
@@ -91,9 +96,10 @@
       "name": "sweet/strawberries"
     }, 
     {
-      "command": "/usr/bin/python out/Release/d8_mocked.py strawberries --random-seed=123 --nohard-abort", 
+      "command": "/usr/bin/python out/Release/d8_mocked.py --test strawberries --random-seed=123 --nohard-abort", 
       "duration": 1, 
       "flags": [
+        "--test",
         "strawberries", 
         "--random-seed=123", 
         "--nohard-abort"
diff --git a/deps/v8/tools/unittests/testdata/testroot1/test/sweet/sweet.status b/deps/v8/tools/unittests/testdata/testroot1/test/sweet/sweet.status
index 74214631dc..d823cfd231 100644
--- a/deps/v8/tools/unittests/testdata/testroot1/test/sweet/sweet.status
+++ b/deps/v8/tools/unittests/testdata/testroot1/test/sweet/sweet.status
@@ -6,6 +6,7 @@
 [ALWAYS, {
   'raspberries': FAIL,
   'strawberries': [PASS, ['mode == release', SLOW], ['mode == debug', NO_VARIANTS]],
+  'mangoes': [PASS, SLOW],
 
   # Both cherries and apples are to test how PASS an FAIL from different
   # sections are merged.
diff --git a/deps/v8/tools/unittests/testdata/testroot1/test/sweet/testcfg.py b/deps/v8/tools/unittests/testdata/testroot1/test/sweet/testcfg.py
index 1fcf2864b6..bf9c780621 100644
--- a/deps/v8/tools/unittests/testdata/testroot1/test/sweet/testcfg.py
+++ b/deps/v8/tools/unittests/testdata/testroot1/test/sweet/testcfg.py
@@ -12,15 +12,17 @@ from testrunner.objects import testcase
 class TestSuite(testsuite.TestSuite):
   def ListTests(self):
     return map(
-        self._create_test,
-        ['bananas', 'apples', 'cherries', 'strawberries', 'raspberries'],
+        self._create_test, [
+          'bananas', 'apples', 'cherries', 'mangoes', 'strawberries',
+          'blackberries', 'raspberries',
+        ],
     )
 
   def _test_class(self):
     return TestCase
 
 
-class TestCase(testcase.TestCase):
+class TestCase(testcase.D8TestCase):
   def get_shell(self):
     return 'd8_mocked.py'
 
diff --git a/deps/v8/tools/v8_presubmit.py b/deps/v8/tools/v8_presubmit.py
index 13b4abd86c..f35bd9a2ee 100755
--- a/deps/v8/tools/v8_presubmit.py
+++ b/deps/v8/tools/v8_presubmit.py
@@ -100,6 +100,27 @@ def CppLintWorker(command):
           ' in your $PATH. Lint check skipped.')
     process.kill()
 
+def TorqueLintWorker(command):
+  try:
+    process = subprocess.Popen(command, stderr=subprocess.PIPE)
+    process.wait()
+    out_lines = ""
+    error_count = 0
+    while True:
+      out_line = process.stderr.readline()
+      if out_line == '' and process.poll() != None:
+        break
+      out_lines += out_line
+      error_count += 1
+    sys.stdout.write(out_lines)
+    if error_count != 0:
+        sys.stdout.write("tip: use 'tools/torque/format-torque.py -i <filename>'\n");
+    return error_count
+  except KeyboardInterrupt:
+    process.kill()
+  except:
+    print('Error running format-torque.py')
+    process.kill()
 
 class FileContentsCache(object):
 
@@ -244,7 +265,7 @@ class CppLintProcessor(SourceFileProcessor):
     good_files_cache.Load()
     files = good_files_cache.FilterUnchangedFiles(files)
     if len(files) == 0:
-      print 'No changes in files detected. Skipping cpplint check.'
+      print 'No changes in C/C++ files detected. Skipping cpplint check.'
       return True
 
     filters = ",".join([n for n in LINT_RULES])
@@ -270,10 +291,64 @@ class CppLintProcessor(SourceFileProcessor):
         good_files_cache.RemoveFile(files[i])
 
     total_errors = sum(results)
-    print "Total errors found: %d" % total_errors
+    print "Total C/C++ files found that require formatting: %d" % total_errors
     good_files_cache.Save()
     return total_errors == 0
 
+class TorqueFormatProcessor(SourceFileProcessor):
+  """
+  Check .tq files to verify they follow the Torque style guide.
+  """
+
+  def IsRelevant(self, name):
+    return name.endswith('.tq')
+
+  def GetPathsToSearch(self):
+    dirs = ['third-party', 'src']
+    test_dirs = ['torque']
+    return dirs + [join('test', dir) for dir in test_dirs]
+
+  def GetTorquelintScript(self):
+    torque_tools = os.path.join(TOOLS_PATH, "torque")
+    torque_path = os.path.join(torque_tools, "format-torque.py")
+
+    if os.path.isfile(torque_path):
+      return torque_path
+
+    return None
+
+  def ProcessFiles(self, files):
+    good_files_cache = FileContentsCache('.torquelint-cache')
+    good_files_cache.Load()
+    files = good_files_cache.FilterUnchangedFiles(files)
+    if len(files) == 0:
+      print 'No changes in Torque files detected. Skipping Torque lint check.'
+      return True
+
+    torquelint = self.GetTorquelintScript()
+    if torquelint is None:
+      print('Could not find format-torque.')
+      sys.exit(1)
+
+    command = [sys.executable, torquelint, '-l']
+
+    commands = [command + [file] for file in files]
+    count = multiprocessing.cpu_count()
+    pool = multiprocessing.Pool(count)
+    try:
+      results = pool.map_async(TorqueLintWorker, commands).get()
+    except KeyboardInterrupt:
+      print "\nCaught KeyboardInterrupt, terminating workers."
+      sys.exit(1)
+
+    for i in range(len(files)):
+      if results[i] > 0:
+        good_files_cache.RemoveFile(files[i])
+
+    total_errors = sum(results)
+    print "Total Torque files requiring formatting: %d" % total_errors
+    good_files_cache.Save()
+    return total_errors == 0
 
 COPYRIGHT_HEADER_PATTERN = re.compile(
     r'Copyright [\d-]*20[0-1][0-9] the V8 project authors. All rights reserved.')
@@ -297,7 +372,7 @@ class SourceProcessor(SourceFileProcessor):
         m = pattern.match(line)
         if m:
           runtime_functions.append(m.group(1))
-    if len(runtime_functions) < 450:
+    if len(runtime_functions) < 250:
       print ("Runtime functions list is suspiciously short. "
              "Consider updating the presubmit script.")
       sys.exit(1)
@@ -584,6 +659,8 @@ def Main():
   if not options.no_lint:
     print "Running C++ lint check..."
     success &= CppLintProcessor().RunOnPath(workspace)
+  print "Running Torque formatting check..."
+  success &= TorqueFormatProcessor().RunOnPath(workspace)
   print "Running copyright header, trailing whitespaces and " \
         "two empty lines between declarations check..."
   success &= SourceProcessor().RunOnPath(workspace)
diff --git a/deps/v8/tools/v8heapconst.py b/deps/v8/tools/v8heapconst.py
index 16927d85b3..f8c8061ff4 100644
--- a/deps/v8/tools/v8heapconst.py
+++ b/deps/v8/tools/v8heapconst.py
@@ -12,9 +12,9 @@ INSTANCE_TYPES = {
   8: "ONE_BYTE_INTERNALIZED_STRING_TYPE",
   10: "EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE",
   18: "EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE",
-  34: "SHORT_EXTERNAL_INTERNALIZED_STRING_TYPE",
-  42: "SHORT_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE",
-  50: "SHORT_EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE",
+  34: "UNCACHED_EXTERNAL_INTERNALIZED_STRING_TYPE",
+  42: "UNCACHED_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE",
+  50: "UNCACHED_EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE",
   64: "STRING_TYPE",
   65: "CONS_STRING_TYPE",
   66: "EXTERNAL_STRING_TYPE",
@@ -26,9 +26,9 @@ INSTANCE_TYPES = {
   75: "SLICED_ONE_BYTE_STRING_TYPE",
   77: "THIN_ONE_BYTE_STRING_TYPE",
   82: "EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE",
-  98: "SHORT_EXTERNAL_STRING_TYPE",
-  106: "SHORT_EXTERNAL_ONE_BYTE_STRING_TYPE",
-  114: "SHORT_EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE",
+  98: "UNCACHED_EXTERNAL_STRING_TYPE",
+  106: "UNCACHED_EXTERNAL_ONE_BYTE_STRING_TYPE",
+  114: "UNCACHED_EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE",
   128: "SYMBOL_TYPE",
   129: "HEAP_NUMBER_TYPE",
   130: "BIGINT_TYPE",
@@ -82,48 +82,50 @@ INSTANCE_TYPES = {
   178: "PROMISE_FULFILL_REACTION_JOB_TASK_TYPE",
   179: "PROMISE_REJECT_REACTION_JOB_TASK_TYPE",
   180: "PROMISE_RESOLVE_THENABLE_JOB_TASK_TYPE",
-  181: "ALLOCATION_SITE_TYPE",
-  182: "FIXED_ARRAY_TYPE",
-  183: "OBJECT_BOILERPLATE_DESCRIPTION_TYPE",
-  184: "HASH_TABLE_TYPE",
-  185: "ORDERED_HASH_MAP_TYPE",
-  186: "ORDERED_HASH_SET_TYPE",
-  187: "NAME_DICTIONARY_TYPE",
-  188: "GLOBAL_DICTIONARY_TYPE",
-  189: "NUMBER_DICTIONARY_TYPE",
-  190: "SIMPLE_NUMBER_DICTIONARY_TYPE",
-  191: "STRING_TABLE_TYPE",
-  192: "EPHEMERON_HASH_TABLE_TYPE",
-  193: "SCOPE_INFO_TYPE",
-  194: "SCRIPT_CONTEXT_TABLE_TYPE",
-  195: "BLOCK_CONTEXT_TYPE",
-  196: "CATCH_CONTEXT_TYPE",
-  197: "DEBUG_EVALUATE_CONTEXT_TYPE",
-  198: "EVAL_CONTEXT_TYPE",
-  199: "FUNCTION_CONTEXT_TYPE",
-  200: "MODULE_CONTEXT_TYPE",
-  201: "NATIVE_CONTEXT_TYPE",
-  202: "SCRIPT_CONTEXT_TYPE",
-  203: "WITH_CONTEXT_TYPE",
-  204: "WEAK_FIXED_ARRAY_TYPE",
-  205: "DESCRIPTOR_ARRAY_TYPE",
-  206: "TRANSITION_ARRAY_TYPE",
-  207: "CALL_HANDLER_INFO_TYPE",
-  208: "CELL_TYPE",
-  209: "CODE_DATA_CONTAINER_TYPE",
-  210: "FEEDBACK_CELL_TYPE",
-  211: "FEEDBACK_VECTOR_TYPE",
-  212: "LOAD_HANDLER_TYPE",
-  213: "PRE_PARSED_SCOPE_DATA_TYPE",
-  214: "PROPERTY_ARRAY_TYPE",
-  215: "PROPERTY_CELL_TYPE",
-  216: "SHARED_FUNCTION_INFO_TYPE",
-  217: "SMALL_ORDERED_HASH_MAP_TYPE",
-  218: "SMALL_ORDERED_HASH_SET_TYPE",
-  219: "STORE_HANDLER_TYPE",
-  220: "UNCOMPILED_DATA_WITHOUT_PRE_PARSED_SCOPE_TYPE",
-  221: "UNCOMPILED_DATA_WITH_PRE_PARSED_SCOPE_TYPE",
-  222: "WEAK_ARRAY_LIST_TYPE",
+  181: "MICROTASK_QUEUE_TYPE",
+  182: "ALLOCATION_SITE_TYPE",
+  183: "FIXED_ARRAY_TYPE",
+  184: "OBJECT_BOILERPLATE_DESCRIPTION_TYPE",
+  185: "HASH_TABLE_TYPE",
+  186: "ORDERED_HASH_MAP_TYPE",
+  187: "ORDERED_HASH_SET_TYPE",
+  188: "NAME_DICTIONARY_TYPE",
+  189: "GLOBAL_DICTIONARY_TYPE",
+  190: "NUMBER_DICTIONARY_TYPE",
+  191: "SIMPLE_NUMBER_DICTIONARY_TYPE",
+  192: "STRING_TABLE_TYPE",
+  193: "EPHEMERON_HASH_TABLE_TYPE",
+  194: "SCOPE_INFO_TYPE",
+  195: "SCRIPT_CONTEXT_TABLE_TYPE",
+  196: "AWAIT_CONTEXT_TYPE",
+  197: "BLOCK_CONTEXT_TYPE",
+  198: "CATCH_CONTEXT_TYPE",
+  199: "DEBUG_EVALUATE_CONTEXT_TYPE",
+  200: "EVAL_CONTEXT_TYPE",
+  201: "FUNCTION_CONTEXT_TYPE",
+  202: "MODULE_CONTEXT_TYPE",
+  203: "NATIVE_CONTEXT_TYPE",
+  204: "SCRIPT_CONTEXT_TYPE",
+  205: "WITH_CONTEXT_TYPE",
+  206: "WEAK_FIXED_ARRAY_TYPE",
+  207: "DESCRIPTOR_ARRAY_TYPE",
+  208: "TRANSITION_ARRAY_TYPE",
+  209: "CALL_HANDLER_INFO_TYPE",
+  210: "CELL_TYPE",
+  211: "CODE_DATA_CONTAINER_TYPE",
+  212: "FEEDBACK_CELL_TYPE",
+  213: "FEEDBACK_VECTOR_TYPE",
+  214: "LOAD_HANDLER_TYPE",
+  215: "PRE_PARSED_SCOPE_DATA_TYPE",
+  216: "PROPERTY_ARRAY_TYPE",
+  217: "PROPERTY_CELL_TYPE",
+  218: "SHARED_FUNCTION_INFO_TYPE",
+  219: "SMALL_ORDERED_HASH_MAP_TYPE",
+  220: "SMALL_ORDERED_HASH_SET_TYPE",
+  221: "STORE_HANDLER_TYPE",
+  222: "UNCOMPILED_DATA_WITHOUT_PRE_PARSED_SCOPE_TYPE",
+  223: "UNCOMPILED_DATA_WITH_PRE_PARSED_SCOPE_TYPE",
+  224: "WEAK_ARRAY_LIST_TYPE",
   1024: "JS_PROXY_TYPE",
   1025: "JS_GLOBAL_OBJECT_TYPE",
   1026: "JS_GLOBAL_PROXY_TYPE",
@@ -158,18 +160,23 @@ INSTANCE_TYPES = {
   1081: "JS_WEAK_SET_TYPE",
   1082: "JS_TYPED_ARRAY_TYPE",
   1083: "JS_DATA_VIEW_TYPE",
-  1084: "JS_INTL_COLLATOR_TYPE",
-  1085: "JS_INTL_LIST_FORMAT_TYPE",
-  1086: "JS_INTL_LOCALE_TYPE",
-  1087: "JS_INTL_PLURAL_RULES_TYPE",
-  1088: "JS_INTL_RELATIVE_TIME_FORMAT_TYPE",
-  1089: "WASM_GLOBAL_TYPE",
-  1090: "WASM_INSTANCE_TYPE",
-  1091: "WASM_MEMORY_TYPE",
-  1092: "WASM_MODULE_TYPE",
-  1093: "WASM_TABLE_TYPE",
-  1094: "JS_BOUND_FUNCTION_TYPE",
-  1095: "JS_FUNCTION_TYPE",
+  1084: "JS_INTL_V8_BREAK_ITERATOR_TYPE",
+  1085: "JS_INTL_COLLATOR_TYPE",
+  1086: "JS_INTL_DATE_TIME_FORMAT_TYPE",
+  1087: "JS_INTL_LIST_FORMAT_TYPE",
+  1088: "JS_INTL_LOCALE_TYPE",
+  1089: "JS_INTL_NUMBER_FORMAT_TYPE",
+  1090: "JS_INTL_PLURAL_RULES_TYPE",
+  1091: "JS_INTL_RELATIVE_TIME_FORMAT_TYPE",
+  1092: "JS_INTL_SEGMENTER_TYPE",
+  1093: "WASM_EXCEPTION_TYPE",
+  1094: "WASM_GLOBAL_TYPE",
+  1095: "WASM_INSTANCE_TYPE",
+  1096: "WASM_MEMORY_TYPE",
+  1097: "WASM_MODULE_TYPE",
+  1098: "WASM_TABLE_TYPE",
+  1099: "JS_BOUND_FUNCTION_TYPE",
+  1100: "JS_FUNCTION_TYPE",
 }
 
 # List of known V8 maps.
@@ -177,139 +184,148 @@ KNOWN_MAPS = {
   ("RO_SPACE", 0x02201): (138, "FreeSpaceMap"),
   ("RO_SPACE", 0x02251): (132, "MetaMap"),
   ("RO_SPACE", 0x022d1): (131, "NullMap"),
-  ("RO_SPACE", 0x02341): (205, "DescriptorArrayMap"),
-  ("RO_SPACE", 0x023a1): (204, "WeakFixedArrayMap"),
+  ("RO_SPACE", 0x02341): (207, "DescriptorArrayMap"),
+  ("RO_SPACE", 0x023a1): (206, "WeakFixedArrayMap"),
   ("RO_SPACE", 0x023f1): (152, "OnePointerFillerMap"),
   ("RO_SPACE", 0x02441): (152, "TwoPointerFillerMap"),
   ("RO_SPACE", 0x024c1): (131, "UninitializedMap"),
-  ("RO_SPACE", 0x02539): (8, "OneByteInternalizedStringMap"),
-  ("RO_SPACE", 0x025e1): (131, "UndefinedMap"),
-  ("RO_SPACE", 0x02641): (129, "HeapNumberMap"),
-  ("RO_SPACE", 0x026c1): (131, "TheHoleMap"),
-  ("RO_SPACE", 0x02771): (131, "BooleanMap"),
-  ("RO_SPACE", 0x02869): (136, "ByteArrayMap"),
-  ("RO_SPACE", 0x028b9): (182, "FixedArrayMap"),
-  ("RO_SPACE", 0x02909): (182, "FixedCOWArrayMap"),
-  ("RO_SPACE", 0x02959): (184, "HashTableMap"),
-  ("RO_SPACE", 0x029a9): (128, "SymbolMap"),
-  ("RO_SPACE", 0x029f9): (72, "OneByteStringMap"),
-  ("RO_SPACE", 0x02a49): (193, "ScopeInfoMap"),
-  ("RO_SPACE", 0x02a99): (216, "SharedFunctionInfoMap"),
-  ("RO_SPACE", 0x02ae9): (133, "CodeMap"),
-  ("RO_SPACE", 0x02b39): (199, "FunctionContextMap"),
-  ("RO_SPACE", 0x02b89): (208, "CellMap"),
-  ("RO_SPACE", 0x02bd9): (215, "GlobalPropertyCellMap"),
-  ("RO_SPACE", 0x02c29): (135, "ForeignMap"),
-  ("RO_SPACE", 0x02c79): (206, "TransitionArrayMap"),
-  ("RO_SPACE", 0x02cc9): (211, "FeedbackVectorMap"),
-  ("RO_SPACE", 0x02d69): (131, "ArgumentsMarkerMap"),
-  ("RO_SPACE", 0x02e11): (131, "ExceptionMap"),
-  ("RO_SPACE", 0x02eb9): (131, "TerminationExceptionMap"),
-  ("RO_SPACE", 0x02f69): (131, "OptimizedOutMap"),
-  ("RO_SPACE", 0x03011): (131, "StaleRegisterMap"),
-  ("RO_SPACE", 0x03089): (201, "NativeContextMap"),
-  ("RO_SPACE", 0x030d9): (200, "ModuleContextMap"),
-  ("RO_SPACE", 0x03129): (198, "EvalContextMap"),
-  ("RO_SPACE", 0x03179): (202, "ScriptContextMap"),
-  ("RO_SPACE", 0x031c9): (195, "BlockContextMap"),
-  ("RO_SPACE", 0x03219): (196, "CatchContextMap"),
-  ("RO_SPACE", 0x03269): (203, "WithContextMap"),
-  ("RO_SPACE", 0x032b9): (197, "DebugEvaluateContextMap"),
-  ("RO_SPACE", 0x03309): (194, "ScriptContextTableMap"),
-  ("RO_SPACE", 0x03359): (151, "FeedbackMetadataArrayMap"),
-  ("RO_SPACE", 0x033a9): (182, "ArrayListMap"),
-  ("RO_SPACE", 0x033f9): (130, "BigIntMap"),
-  ("RO_SPACE", 0x03449): (183, "ObjectBoilerplateDescriptionMap"),
-  ("RO_SPACE", 0x03499): (137, "BytecodeArrayMap"),
-  ("RO_SPACE", 0x034e9): (209, "CodeDataContainerMap"),
-  ("RO_SPACE", 0x03539): (150, "FixedDoubleArrayMap"),
-  ("RO_SPACE", 0x03589): (188, "GlobalDictionaryMap"),
-  ("RO_SPACE", 0x035d9): (210, "ManyClosuresCellMap"),
-  ("RO_SPACE", 0x03629): (182, "ModuleInfoMap"),
-  ("RO_SPACE", 0x03679): (134, "MutableHeapNumberMap"),
-  ("RO_SPACE", 0x036c9): (187, "NameDictionaryMap"),
-  ("RO_SPACE", 0x03719): (210, "NoClosuresCellMap"),
-  ("RO_SPACE", 0x03769): (189, "NumberDictionaryMap"),
-  ("RO_SPACE", 0x037b9): (210, "OneClosureCellMap"),
-  ("RO_SPACE", 0x03809): (185, "OrderedHashMapMap"),
-  ("RO_SPACE", 0x03859): (186, "OrderedHashSetMap"),
-  ("RO_SPACE", 0x038a9): (213, "PreParsedScopeDataMap"),
-  ("RO_SPACE", 0x038f9): (214, "PropertyArrayMap"),
-  ("RO_SPACE", 0x03949): (207, "SideEffectCallHandlerInfoMap"),
-  ("RO_SPACE", 0x03999): (207, "SideEffectFreeCallHandlerInfoMap"),
-  ("RO_SPACE", 0x039e9): (207, "NextCallSideEffectFreeCallHandlerInfoMap"),
-  ("RO_SPACE", 0x03a39): (190, "SimpleNumberDictionaryMap"),
-  ("RO_SPACE", 0x03a89): (182, "SloppyArgumentsElementsMap"),
-  ("RO_SPACE", 0x03ad9): (217, "SmallOrderedHashMapMap"),
-  ("RO_SPACE", 0x03b29): (218, "SmallOrderedHashSetMap"),
-  ("RO_SPACE", 0x03b79): (191, "StringTableMap"),
-  ("RO_SPACE", 0x03bc9): (220, "UncompiledDataWithoutPreParsedScopeMap"),
-  ("RO_SPACE", 0x03c19): (221, "UncompiledDataWithPreParsedScopeMap"),
-  ("RO_SPACE", 0x03c69): (222, "WeakArrayListMap"),
-  ("RO_SPACE", 0x03cb9): (192, "EphemeronHashTableMap"),
-  ("RO_SPACE", 0x03d09): (106, "NativeSourceStringMap"),
-  ("RO_SPACE", 0x03d59): (64, "StringMap"),
-  ("RO_SPACE", 0x03da9): (73, "ConsOneByteStringMap"),
-  ("RO_SPACE", 0x03df9): (65, "ConsStringMap"),
-  ("RO_SPACE", 0x03e49): (77, "ThinOneByteStringMap"),
-  ("RO_SPACE", 0x03e99): (69, "ThinStringMap"),
-  ("RO_SPACE", 0x03ee9): (67, "SlicedStringMap"),
-  ("RO_SPACE", 0x03f39): (75, "SlicedOneByteStringMap"),
-  ("RO_SPACE", 0x03f89): (66, "ExternalStringMap"),
-  ("RO_SPACE", 0x03fd9): (82, "ExternalStringWithOneByteDataMap"),
-  ("RO_SPACE", 0x04029): (74, "ExternalOneByteStringMap"),
-  ("RO_SPACE", 0x04079): (98, "ShortExternalStringMap"),
-  ("RO_SPACE", 0x040c9): (114, "ShortExternalStringWithOneByteDataMap"),
-  ("RO_SPACE", 0x04119): (0, "InternalizedStringMap"),
-  ("RO_SPACE", 0x04169): (2, "ExternalInternalizedStringMap"),
-  ("RO_SPACE", 0x041b9): (18, "ExternalInternalizedStringWithOneByteDataMap"),
-  ("RO_SPACE", 0x04209): (10, "ExternalOneByteInternalizedStringMap"),
-  ("RO_SPACE", 0x04259): (34, "ShortExternalInternalizedStringMap"),
-  ("RO_SPACE", 0x042a9): (50, "ShortExternalInternalizedStringWithOneByteDataMap"),
-  ("RO_SPACE", 0x042f9): (42, "ShortExternalOneByteInternalizedStringMap"),
-  ("RO_SPACE", 0x04349): (106, "ShortExternalOneByteStringMap"),
-  ("RO_SPACE", 0x04399): (140, "FixedUint8ArrayMap"),
-  ("RO_SPACE", 0x043e9): (139, "FixedInt8ArrayMap"),
-  ("RO_SPACE", 0x04439): (142, "FixedUint16ArrayMap"),
-  ("RO_SPACE", 0x04489): (141, "FixedInt16ArrayMap"),
-  ("RO_SPACE", 0x044d9): (144, "FixedUint32ArrayMap"),
-  ("RO_SPACE", 0x04529): (143, "FixedInt32ArrayMap"),
-  ("RO_SPACE", 0x04579): (145, "FixedFloat32ArrayMap"),
-  ("RO_SPACE", 0x045c9): (146, "FixedFloat64ArrayMap"),
-  ("RO_SPACE", 0x04619): (147, "FixedUint8ClampedArrayMap"),
-  ("RO_SPACE", 0x04669): (149, "FixedBigUint64ArrayMap"),
-  ("RO_SPACE", 0x046b9): (148, "FixedBigInt64ArrayMap"),
-  ("RO_SPACE", 0x04709): (131, "SelfReferenceMarkerMap"),
-  ("RO_SPACE", 0x04771): (171, "Tuple2Map"),
-  ("RO_SPACE", 0x04811): (173, "ArrayBoilerplateDescriptionMap"),
-  ("RO_SPACE", 0x04b01): (161, "InterceptorInfoMap"),
-  ("RO_SPACE", 0x04bf9): (169, "ScriptMap"),
-  ("RO_SPACE", 0x09aa1): (154, "AccessorInfoMap"),
-  ("RO_SPACE", 0x09af1): (153, "AccessCheckInfoMap"),
-  ("RO_SPACE", 0x09b41): (155, "AccessorPairMap"),
-  ("RO_SPACE", 0x09b91): (156, "AliasedArgumentsEntryMap"),
-  ("RO_SPACE", 0x09be1): (157, "AllocationMementoMap"),
-  ("RO_SPACE", 0x09c31): (158, "AsyncGeneratorRequestMap"),
-  ("RO_SPACE", 0x09c81): (159, "DebugInfoMap"),
-  ("RO_SPACE", 0x09cd1): (160, "FunctionTemplateInfoMap"),
-  ("RO_SPACE", 0x09d21): (162, "InterpreterDataMap"),
-  ("RO_SPACE", 0x09d71): (163, "ModuleInfoEntryMap"),
-  ("RO_SPACE", 0x09dc1): (164, "ModuleMap"),
-  ("RO_SPACE", 0x09e11): (165, "ObjectTemplateInfoMap"),
-  ("RO_SPACE", 0x09e61): (166, "PromiseCapabilityMap"),
-  ("RO_SPACE", 0x09eb1): (167, "PromiseReactionMap"),
-  ("RO_SPACE", 0x09f01): (168, "PrototypeInfoMap"),
-  ("RO_SPACE", 0x09f51): (170, "StackFrameInfoMap"),
-  ("RO_SPACE", 0x09fa1): (172, "Tuple3Map"),
-  ("RO_SPACE", 0x09ff1): (174, "WasmDebugInfoMap"),
-  ("RO_SPACE", 0x0a041): (175, "WasmExportedFunctionDataMap"),
-  ("RO_SPACE", 0x0a091): (176, "CallableTaskMap"),
-  ("RO_SPACE", 0x0a0e1): (177, "CallbackTaskMap"),
-  ("RO_SPACE", 0x0a131): (178, "PromiseFulfillReactionJobTaskMap"),
-  ("RO_SPACE", 0x0a181): (179, "PromiseRejectReactionJobTaskMap"),
-  ("RO_SPACE", 0x0a1d1): (180, "PromiseResolveThenableJobTaskMap"),
-  ("RO_SPACE", 0x0a221): (181, "AllocationSiteMap"),
-  ("RO_SPACE", 0x0a271): (181, "AllocationSiteMap"),
+  ("RO_SPACE", 0x02531): (8, "OneByteInternalizedStringMap"),
+  ("RO_SPACE", 0x025d1): (131, "UndefinedMap"),
+  ("RO_SPACE", 0x02631): (129, "HeapNumberMap"),
+  ("RO_SPACE", 0x026b1): (131, "TheHoleMap"),
+  ("RO_SPACE", 0x02759): (131, "BooleanMap"),
+  ("RO_SPACE", 0x02831): (136, "ByteArrayMap"),
+  ("RO_SPACE", 0x02881): (183, "FixedArrayMap"),
+  ("RO_SPACE", 0x028d1): (183, "FixedCOWArrayMap"),
+  ("RO_SPACE", 0x02921): (185, "HashTableMap"),
+  ("RO_SPACE", 0x02971): (128, "SymbolMap"),
+  ("RO_SPACE", 0x029c1): (72, "OneByteStringMap"),
+  ("RO_SPACE", 0x02a11): (194, "ScopeInfoMap"),
+  ("RO_SPACE", 0x02a61): (218, "SharedFunctionInfoMap"),
+  ("RO_SPACE", 0x02ab1): (133, "CodeMap"),
+  ("RO_SPACE", 0x02b01): (201, "FunctionContextMap"),
+  ("RO_SPACE", 0x02b51): (210, "CellMap"),
+  ("RO_SPACE", 0x02ba1): (217, "GlobalPropertyCellMap"),
+  ("RO_SPACE", 0x02bf1): (135, "ForeignMap"),
+  ("RO_SPACE", 0x02c41): (208, "TransitionArrayMap"),
+  ("RO_SPACE", 0x02c91): (213, "FeedbackVectorMap"),
+  ("RO_SPACE", 0x02d31): (131, "ArgumentsMarkerMap"),
+  ("RO_SPACE", 0x02dd1): (131, "ExceptionMap"),
+  ("RO_SPACE", 0x02e71): (131, "TerminationExceptionMap"),
+  ("RO_SPACE", 0x02f19): (131, "OptimizedOutMap"),
+  ("RO_SPACE", 0x02fb9): (131, "StaleRegisterMap"),
+  ("RO_SPACE", 0x03029): (203, "NativeContextMap"),
+  ("RO_SPACE", 0x03079): (202, "ModuleContextMap"),
+  ("RO_SPACE", 0x030c9): (200, "EvalContextMap"),
+  ("RO_SPACE", 0x03119): (204, "ScriptContextMap"),
+  ("RO_SPACE", 0x03169): (196, "AwaitContextMap"),
+  ("RO_SPACE", 0x031b9): (197, "BlockContextMap"),
+  ("RO_SPACE", 0x03209): (198, "CatchContextMap"),
+  ("RO_SPACE", 0x03259): (205, "WithContextMap"),
+  ("RO_SPACE", 0x032a9): (199, "DebugEvaluateContextMap"),
+  ("RO_SPACE", 0x032f9): (195, "ScriptContextTableMap"),
+  ("RO_SPACE", 0x03349): (151, "FeedbackMetadataArrayMap"),
+  ("RO_SPACE", 0x03399): (183, "ArrayListMap"),
+  ("RO_SPACE", 0x033e9): (130, "BigIntMap"),
+  ("RO_SPACE", 0x03439): (184, "ObjectBoilerplateDescriptionMap"),
+  ("RO_SPACE", 0x03489): (137, "BytecodeArrayMap"),
+  ("RO_SPACE", 0x034d9): (211, "CodeDataContainerMap"),
+  ("RO_SPACE", 0x03529): (150, "FixedDoubleArrayMap"),
+  ("RO_SPACE", 0x03579): (189, "GlobalDictionaryMap"),
+  ("RO_SPACE", 0x035c9): (212, "ManyClosuresCellMap"),
+  ("RO_SPACE", 0x03619): (183, "ModuleInfoMap"),
+  ("RO_SPACE", 0x03669): (134, "MutableHeapNumberMap"),
+  ("RO_SPACE", 0x036b9): (188, "NameDictionaryMap"),
+  ("RO_SPACE", 0x03709): (212, "NoClosuresCellMap"),
+  ("RO_SPACE", 0x03759): (190, "NumberDictionaryMap"),
+  ("RO_SPACE", 0x037a9): (212, "OneClosureCellMap"),
+  ("RO_SPACE", 0x037f9): (186, "OrderedHashMapMap"),
+  ("RO_SPACE", 0x03849): (187, "OrderedHashSetMap"),
+  ("RO_SPACE", 0x03899): (215, "PreParsedScopeDataMap"),
+  ("RO_SPACE", 0x038e9): (216, "PropertyArrayMap"),
+  ("RO_SPACE", 0x03939): (209, "SideEffectCallHandlerInfoMap"),
+  ("RO_SPACE", 0x03989): (209, "SideEffectFreeCallHandlerInfoMap"),
+  ("RO_SPACE", 0x039d9): (209, "NextCallSideEffectFreeCallHandlerInfoMap"),
+  ("RO_SPACE", 0x03a29): (191, "SimpleNumberDictionaryMap"),
+  ("RO_SPACE", 0x03a79): (183, "SloppyArgumentsElementsMap"),
+  ("RO_SPACE", 0x03ac9): (219, "SmallOrderedHashMapMap"),
+  ("RO_SPACE", 0x03b19): (220, "SmallOrderedHashSetMap"),
+  ("RO_SPACE", 0x03b69): (192, "StringTableMap"),
+  ("RO_SPACE", 0x03bb9): (222, "UncompiledDataWithoutPreParsedScopeMap"),
+  ("RO_SPACE", 0x03c09): (223, "UncompiledDataWithPreParsedScopeMap"),
+  ("RO_SPACE", 0x03c59): (224, "WeakArrayListMap"),
+  ("RO_SPACE", 0x03ca9): (193, "EphemeronHashTableMap"),
+  ("RO_SPACE", 0x03cf9): (106, "NativeSourceStringMap"),
+  ("RO_SPACE", 0x03d49): (64, "StringMap"),
+  ("RO_SPACE", 0x03d99): (73, "ConsOneByteStringMap"),
+  ("RO_SPACE", 0x03de9): (65, "ConsStringMap"),
+  ("RO_SPACE", 0x03e39): (77, "ThinOneByteStringMap"),
+  ("RO_SPACE", 0x03e89): (69, "ThinStringMap"),
+  ("RO_SPACE", 0x03ed9): (67, "SlicedStringMap"),
+  ("RO_SPACE", 0x03f29): (75, "SlicedOneByteStringMap"),
+  ("RO_SPACE", 0x03f79): (66, "ExternalStringMap"),
+  ("RO_SPACE", 0x03fc9): (82, "ExternalStringWithOneByteDataMap"),
+  ("RO_SPACE", 0x04019): (74, "ExternalOneByteStringMap"),
+  ("RO_SPACE", 0x04069): (98, "UncachedExternalStringMap"),
+  ("RO_SPACE", 0x040b9): (114, "UncachedExternalStringWithOneByteDataMap"),
+  ("RO_SPACE", 0x04109): (0, "InternalizedStringMap"),
+  ("RO_SPACE", 0x04159): (2, "ExternalInternalizedStringMap"),
+  ("RO_SPACE", 0x041a9): (18, "ExternalInternalizedStringWithOneByteDataMap"),
+  ("RO_SPACE", 0x041f9): (10, "ExternalOneByteInternalizedStringMap"),
+  ("RO_SPACE", 0x04249): (34, "UncachedExternalInternalizedStringMap"),
+  ("RO_SPACE", 0x04299): (50, "UncachedExternalInternalizedStringWithOneByteDataMap"),
+  ("RO_SPACE", 0x042e9): (42, "UncachedExternalOneByteInternalizedStringMap"),
+  ("RO_SPACE", 0x04339): (106, "UncachedExternalOneByteStringMap"),
+  ("RO_SPACE", 0x04389): (140, "FixedUint8ArrayMap"),
+  ("RO_SPACE", 0x043d9): (139, "FixedInt8ArrayMap"),
+  ("RO_SPACE", 0x04429): (142, "FixedUint16ArrayMap"),
+  ("RO_SPACE", 0x04479): (141, "FixedInt16ArrayMap"),
+  ("RO_SPACE", 0x044c9): (144, "FixedUint32ArrayMap"),
+  ("RO_SPACE", 0x04519): (143, "FixedInt32ArrayMap"),
+  ("RO_SPACE", 0x04569): (145, "FixedFloat32ArrayMap"),
+  ("RO_SPACE", 0x045b9): (146, "FixedFloat64ArrayMap"),
+  ("RO_SPACE", 0x04609): (147, "FixedUint8ClampedArrayMap"),
+  ("RO_SPACE", 0x04659): (149, "FixedBigUint64ArrayMap"),
+  ("RO_SPACE", 0x046a9): (148, "FixedBigInt64ArrayMap"),
+  ("RO_SPACE", 0x046f9): (131, "SelfReferenceMarkerMap"),
+  ("RO_SPACE", 0x04761): (171, "Tuple2Map"),
+  ("RO_SPACE", 0x04801): (173, "ArrayBoilerplateDescriptionMap"),
+  ("RO_SPACE", 0x04af1): (161, "InterceptorInfoMap"),
+  ("RO_SPACE", 0x06ea9): (153, "AccessCheckInfoMap"),
+  ("RO_SPACE", 0x06ef9): (154, "AccessorInfoMap"),
+  ("RO_SPACE", 0x06f49): (155, "AccessorPairMap"),
+  ("RO_SPACE", 0x06f99): (156, "AliasedArgumentsEntryMap"),
+  ("RO_SPACE", 0x06fe9): (157, "AllocationMementoMap"),
+  ("RO_SPACE", 0x07039): (158, "AsyncGeneratorRequestMap"),
+  ("RO_SPACE", 0x07089): (159, "DebugInfoMap"),
+  ("RO_SPACE", 0x070d9): (160, "FunctionTemplateInfoMap"),
+  ("RO_SPACE", 0x07129): (162, "InterpreterDataMap"),
+  ("RO_SPACE", 0x07179): (163, "ModuleInfoEntryMap"),
+  ("RO_SPACE", 0x071c9): (164, "ModuleMap"),
+  ("RO_SPACE", 0x07219): (165, "ObjectTemplateInfoMap"),
+  ("RO_SPACE", 0x07269): (166, "PromiseCapabilityMap"),
+  ("RO_SPACE", 0x072b9): (167, "PromiseReactionMap"),
+  ("RO_SPACE", 0x07309): (168, "PrototypeInfoMap"),
+  ("RO_SPACE", 0x07359): (169, "ScriptMap"),
+  ("RO_SPACE", 0x073a9): (170, "StackFrameInfoMap"),
+  ("RO_SPACE", 0x073f9): (172, "Tuple3Map"),
+  ("RO_SPACE", 0x07449): (174, "WasmDebugInfoMap"),
+  ("RO_SPACE", 0x07499): (175, "WasmExportedFunctionDataMap"),
+  ("RO_SPACE", 0x074e9): (176, "CallableTaskMap"),
+  ("RO_SPACE", 0x07539): (177, "CallbackTaskMap"),
+  ("RO_SPACE", 0x07589): (178, "PromiseFulfillReactionJobTaskMap"),
+  ("RO_SPACE", 0x075d9): (179, "PromiseRejectReactionJobTaskMap"),
+  ("RO_SPACE", 0x07629): (180, "PromiseResolveThenableJobTaskMap"),
+  ("RO_SPACE", 0x07679): (181, "MicrotaskQueueMap"),
+  ("RO_SPACE", 0x076c9): (182, "AllocationSiteWithWeakNextMap"),
+  ("RO_SPACE", 0x07719): (182, "AllocationSiteWithoutWeakNextMap"),
+  ("RO_SPACE", 0x07769): (214, "LoadHandler1Map"),
+  ("RO_SPACE", 0x077b9): (214, "LoadHandler2Map"),
+  ("RO_SPACE", 0x07809): (214, "LoadHandler3Map"),
+  ("RO_SPACE", 0x07859): (221, "StoreHandler0Map"),
+  ("RO_SPACE", 0x078a9): (221, "StoreHandler1Map"),
+  ("RO_SPACE", 0x078f9): (221, "StoreHandler2Map"),
+  ("RO_SPACE", 0x07949): (221, "StoreHandler3Map"),
   ("MAP_SPACE", 0x02201): (1057, "ExternalMap"),
   ("MAP_SPACE", 0x02251): (1072, "JSMessageObjectMap"),
 }
@@ -319,39 +335,39 @@ KNOWN_OBJECTS = {
   ("RO_SPACE", 0x022a1): "NullValue",
   ("RO_SPACE", 0x02321): "EmptyDescriptorArray",
   ("RO_SPACE", 0x02491): "UninitializedValue",
-  ("RO_SPACE", 0x025b1): "UndefinedValue",
-  ("RO_SPACE", 0x02631): "NanValue",
-  ("RO_SPACE", 0x02691): "TheHoleValue",
-  ("RO_SPACE", 0x02731): "HoleNanValue",
-  ("RO_SPACE", 0x02741): "TrueValue",
-  ("RO_SPACE", 0x02801): "FalseValue",
-  ("RO_SPACE", 0x02851): "empty_string",
-  ("RO_SPACE", 0x02d19): "EmptyScopeInfo",
-  ("RO_SPACE", 0x02d29): "EmptyFixedArray",
-  ("RO_SPACE", 0x02d39): "ArgumentsMarker",
-  ("RO_SPACE", 0x02de1): "Exception",
-  ("RO_SPACE", 0x02e89): "TerminationException",
-  ("RO_SPACE", 0x02f39): "OptimizedOut",
-  ("RO_SPACE", 0x02fe1): "StaleRegister",
-  ("RO_SPACE", 0x047d1): "EmptyByteArray",
-  ("RO_SPACE", 0x04861): "EmptyFixedUint8Array",
-  ("RO_SPACE", 0x04881): "EmptyFixedInt8Array",
-  ("RO_SPACE", 0x048a1): "EmptyFixedUint16Array",
-  ("RO_SPACE", 0x048c1): "EmptyFixedInt16Array",
-  ("RO_SPACE", 0x048e1): "EmptyFixedUint32Array",
-  ("RO_SPACE", 0x04901): "EmptyFixedInt32Array",
-  ("RO_SPACE", 0x04921): "EmptyFixedFloat32Array",
-  ("RO_SPACE", 0x04941): "EmptyFixedFloat64Array",
-  ("RO_SPACE", 0x04961): "EmptyFixedUint8ClampedArray",
-  ("RO_SPACE", 0x049c1): "EmptySloppyArgumentsElements",
-  ("RO_SPACE", 0x049e1): "EmptySlowElementDictionary",
-  ("RO_SPACE", 0x04a29): "EmptyOrderedHashMap",
-  ("RO_SPACE", 0x04a51): "EmptyOrderedHashSet",
-  ("RO_SPACE", 0x04a89): "EmptyPropertyCell",
-  ("RO_SPACE", 0x04b69): "InfinityValue",
-  ("RO_SPACE", 0x04b79): "MinusZeroValue",
-  ("RO_SPACE", 0x04b89): "MinusInfinityValue",
-  ("RO_SPACE", 0x04b99): "SelfReferenceMarker",
+  ("RO_SPACE", 0x025a1): "UndefinedValue",
+  ("RO_SPACE", 0x02621): "NanValue",
+  ("RO_SPACE", 0x02681): "TheHoleValue",
+  ("RO_SPACE", 0x02719): "HoleNanValue",
+  ("RO_SPACE", 0x02729): "TrueValue",
+  ("RO_SPACE", 0x027d9): "FalseValue",
+  ("RO_SPACE", 0x02821): "empty_string",
+  ("RO_SPACE", 0x02ce1): "EmptyScopeInfo",
+  ("RO_SPACE", 0x02cf1): "EmptyFixedArray",
+  ("RO_SPACE", 0x02d01): "ArgumentsMarker",
+  ("RO_SPACE", 0x02da1): "Exception",
+  ("RO_SPACE", 0x02e41): "TerminationException",
+  ("RO_SPACE", 0x02ee9): "OptimizedOut",
+  ("RO_SPACE", 0x02f89): "StaleRegister",
+  ("RO_SPACE", 0x047c1): "EmptyByteArray",
+  ("RO_SPACE", 0x04851): "EmptyFixedUint8Array",
+  ("RO_SPACE", 0x04871): "EmptyFixedInt8Array",
+  ("RO_SPACE", 0x04891): "EmptyFixedUint16Array",
+  ("RO_SPACE", 0x048b1): "EmptyFixedInt16Array",
+  ("RO_SPACE", 0x048d1): "EmptyFixedUint32Array",
+  ("RO_SPACE", 0x048f1): "EmptyFixedInt32Array",
+  ("RO_SPACE", 0x04911): "EmptyFixedFloat32Array",
+  ("RO_SPACE", 0x04931): "EmptyFixedFloat64Array",
+  ("RO_SPACE", 0x04951): "EmptyFixedUint8ClampedArray",
+  ("RO_SPACE", 0x049b1): "EmptySloppyArgumentsElements",
+  ("RO_SPACE", 0x049d1): "EmptySlowElementDictionary",
+  ("RO_SPACE", 0x04a19): "EmptyOrderedHashMap",
+  ("RO_SPACE", 0x04a41): "EmptyOrderedHashSet",
+  ("RO_SPACE", 0x04a79): "EmptyPropertyCell",
+  ("RO_SPACE", 0x04b59): "InfinityValue",
+  ("RO_SPACE", 0x04b69): "MinusZeroValue",
+  ("RO_SPACE", 0x04b79): "MinusInfinityValue",
+  ("RO_SPACE", 0x04b89): "SelfReferenceMarker",
   ("OLD_SPACE", 0x02211): "EmptyScript",
   ("OLD_SPACE", 0x02291): "ManyClosuresCell",
   ("OLD_SPACE", 0x022b1): "NoElementsProtector",
@@ -362,6 +378,7 @@ KNOWN_OBJECTS = {
   ("OLD_SPACE", 0x02361): "StringLengthProtector",
   ("OLD_SPACE", 0x02371): "ArrayIteratorProtector",
   ("OLD_SPACE", 0x02399): "ArrayBufferNeuteringProtector",
+  ("OLD_SPACE", 0x02421): "StringIteratorProtector",
 }
 
 # List of known V8 Frame Markers.
diff --git a/deps/v8/tools/whitespace.txt b/deps/v8/tools/whitespace.txt
index 654e19f7e9..11f5364162 100644
--- a/deps/v8/tools/whitespace.txt
+++ b/deps/v8/tools/whitespace.txt
@@ -6,5 +6,5 @@ A Smi balks into a war and says:
 "I'm so deoptimized today!"
 The doubles heard this and started to unbox.
 The Smi looked at them when a crazy v8-autoroll account showed up...
-The autoroller bought a round of Himbeerbrause. Suddenly....
-The bartender starts to shake the bottles...
+The autoroller bought a round of Himbeerbrause. Suddenly.....
+The bartender starts to shake the bottles......