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[v10.x] deps: update V8 to 6.8 #21668

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[v10.x] deps: update V8 to 6.8 #21668

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psmarshall
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Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • commit message follows commit guidelines

Here is the ABI compat patch for v8 6.8 (to make it look like 6.7, which is currently in Node 10).

Here is the result of git diff master -- deps/v8/include with this patch: https://gist.github.com/psmarshall/75376dbb81dbfbf17cfc47d62cb2e80b

One thing to fix:
I guess we also need to get rid of the kRead field from the PageAllocator::Permission enum in v8-platform.h - that is going to be a bit more involved. Could that break an embedder?

For now, I built this on top of #21079.

@addaleax @targos @hashseed

@nodejs-github-bot nodejs-github-bot added build Issues and PRs related to build files or the CI. v8 engine Issues and PRs related to the V8 dependency. labels Jul 5, 2018
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addaleax commented Jul 5, 2018

I think the HeapCodeStatistics diff could be a real ABI issue too? The others are probably not ones that we really have to care about

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mhdawson commented Jul 5, 2018

Any idea if this removes the need for the newer compiler on OSX? If it does that would help as we could avoid deciding if its ok to up the level we build on for 10.X

@psmarshall psmarshall force-pushed the v8-api-combat-6.8 branch 2 times, most recently from 77e28af to ec846b9 Compare July 6, 2018 09:15
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I reverted the changes to HeapCodeStatistics and updated the gist.

targos and others added 14 commits July 26, 2018 09:28
@targos
deps: update V8 to 6.8.275.24
00bd3cf 
PR-URL: nodejs#21079
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
@targos
build: reset embedder string to "-node.0"
094c82f 
PR-URL: nodejs#21079
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
@targos
deps: update v8.gyp and run Torque
0df828b 
Synchronize source files list with upstream's BUILD.gn.

Teach v8.gyp to build and run torque, V8's DSL for generating builtins.

On Windows, the torque binary needs to be compiled and linked
with exception semantics and assume V8 is embedded.

Fixes: nodejs/node-v8#57

Co-Authored-By: Ben Noordhuis <info@bnoordhuis.nl>
Co-Authored-By: Refael Ackermann <refack@gmail.com>

PR-URL: nodejs#21079
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
@targos
deps: cherry-pick 5dd3395 from upstream V8
016dde4 
Original commit message:

    [log] improve --perf-basic-prof-only-functions

    Change --perf-basic-prof-only-functions to also log builtin code
    creation events, otherwise InterpretedFunctions generated by
    --interpreted-frames-native-stack will be filtered out.

    R=yangguo@google.com

    Change-Id: Ib0623fca88e25c514473a43de56ebbbdcb146f97
    Reviewed-on: https://chromium-review.googlesource.com/1100014
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Commit-Queue: Yang Guo <yangguo@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#53760}

Refs: v8/v8@5dd3395

PR-URL: nodejs#21386
Reviewed-By: Yang Guo <yangguo@chromium.org>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: James M Snell <jasnell@gmail.com>
@targos
deps: cherry-pick aa6ce3e from upstream V8
3e8a3b9 
Original commit message:

    [log][api] introduce public CodeEventListener API

    Introduce a new public API called CodeEventListener to allow embedders
    to better support external profilers and other diagnostic tools without
    relying on unsupported methods like --perf-basic-prof.

    Bug: v8:7694
    Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
    Change-Id: I063cc965394d59401358757634c9ea84c11517e9
    Co-authored-by: Daniel Beckert <daniel@sthima.com.br>
    Reviewed-on: https://chromium-review.googlesource.com/1028770
    Commit-Queue: Yang Guo <yangguo@chromium.org>
    Reviewed-by: Hannes Payer <hpayer@chromium.org>
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Reviewed-by: Andreas Haas <ahaas@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#53382}

Refs: v8/v8@aa6ce3e

PR-URL: nodejs#21079
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
@targos
deps: cherry-pick b20faff from upstream V8
8c85164 
Original commit message:

    [log] fix ExistingCodeLogger behavior on edge case

    ExistingCodeLogger was behaving incorrectly when the
    CodeEventHandler API was used in combination with
    --interpreted-frames-native-stack.  Instead of collecting copied
    trampolines as InterpretedFunction:functionName, they were being
    collected as Builtin:IntepreterEntryTrampolines.  This patch adds
    special handling for copied trampolines when using
    ExistingCodeLogger.

    R=yangguo@google.com

    Change-Id: I3ee4be03800122d28d53b51b20c60dcf6263e4c1
    Reviewed-on: https://chromium-review.googlesource.com/1087813
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Commit-Queue: Yang Guo <yangguo@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#53624}

Refs: v8/v8@b20faff

PR-URL: nodejs#21126
Refs: v8/v8@aa6ce3e
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@targos
deps: cherry-pick acc336c from upstream V8
309052a 
Original commit message:

    [log] fix boolean logic on LogCodeObject

    R=yangguo@google.com

    Change-Id: Icb4825344991e5b2d15050e037064c60eeb9617e
    Reviewed-on: https://chromium-review.googlesource.com/1097578
    Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#53777}

Refs: v8/v8@acc336c

PR-URL: nodejs#21126
Refs: v8/v8@aa6ce3e
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@targos
deps: cherry-pick 70c4340 from upstream V8
fad5afa 
Original commit message:

    [log][api] Fix GCC 4.9 build failure

    GCC 4.9 used on some Node.js CI machines complains when the control
    reaches the end of a non-void function and no return is encountered.

    R=bmeurer@google.com, ofrobots@google.com, yangguo@google.com

    Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
    Change-Id: I5af0192cb187eccbf34dbb60ff3ac2e4774af803
    Reviewed-on: https://chromium-review.googlesource.com/1105619
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Commit-Queue: Yang Guo <yangguo@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#53861}

Refs: v8/v8@70c4340

PR-URL: nodejs#21126
Refs: v8/v8@aa6ce3e
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@devsnek @targos
deps: cherry-pick 477df06 from upstream v8
f49ae32 
Original commit message:

    [API] Expand BigInt API

    Provide a more complete BigInt API.

    Bug: v8:7712
    Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
    Change-Id: Ic8562d616f3125deabdf8b52c7019b191bef0e07
    Reviewed-on: chromium-review.googlesource.com/1101198
    Commit-Queue: Yang Guo <yangguo@chromium.org>
    Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#54122}

PR-URL: nodejs#21644
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
@addaleax @targos
deps: cherry-pick 555c811 from upstream V8
9d70858 
Original commit message:

    [api] Switch from `SetBuildEmbedderGraphCallback` to `AddBuildEmbedderGraphCallback`

    `SetBuildEmbedderGraphCallback`, unlike `SetWrapperClassInfoProvider`,
    assumes a monolithic embedder that can provide all necessary information.
    That is not the case for e.g. Node.js, which can e.g. provide multiple Node.js
    instances per V8 Isolate, as well as native addons that may allocate resources
    on their own.

    Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
    Change-Id: Ib53dfde82416dd69934b08623e27d674a483ac2d
    Reviewed-on: https://chromium-review.googlesource.com/1082441
    Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
    Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#53545}

Refs: v8/v8@555c811

PR-URL: nodejs#21741
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
@targos
deps: cherry-pick 2075910 from upstream V8
d7b955e 
Original commit message:

    [turbofan] Remove optimization of default Promise capability functions.

    The JSCallReducer could in theory inline the default resolve and reject
    functions passed to the executor in the Promise constructor. But that
    inlining is almost never triggered because we don't have SFI based feedback
    in the CallIC. Also the use of the Promise constructor is discouraged,
    so we shouldn't really need to squeeze the last bit of performance out
    of this even in the future.

    Getting rid of this optimization will make significantly easier to
    implement the Swallowed Rejection Hook, as there's less churn on the
    TurboFan side then.

    Bug: v8:7919
    Change-Id: If0c54f1c6c7ce95686cd74232be6b8693ac688c9
    Reviewed-on: https://chromium-review.googlesource.com/1125926
    Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
    Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#54210}

Refs: v8/v8@2075910

PR-URL: nodejs#21838
Refs: nodejs/promises-debugging#8
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
Reviewed-By: Benedikt Meurer <benedikt.meurer@gmail.com>
@targos
deps: cherry-pick 907d7bc from upstream V8
0edbfb1 
Original commit message:

    [promise] Implement Swallowed Rejection Hook.

    This extends the current Promise Rejection Hook with two new events

      kPromiseRejectAfterResolved
      kPromiseResolveAfterResolved

    which are used to detect (and signal) misuse of the Promise constructor.
    Specifically the common bug like

      new Promise((res, rej) => {
        res(1);
        throw new Error("something")
      });

    where the error is silently swallowed by the Promise constructor without
    the user ever noticing can be caught via this hook.

    Doc: https://goo.gl/2stLUY
    Bug: v8:7919
    Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
    Change-Id: I890a7e766cdd1be88db94844fb744f72823dba33
    Reviewed-on: https://chromium-review.googlesource.com/1126099
    Reviewed-by: Maya Lekova <mslekova@chromium.org>
    Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#54309}

Refs: v8/v8@907d7bc

PR-URL: nodejs#21838
Refs: nodejs/promises-debugging#8
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
Reviewed-By: Benedikt Meurer <benedikt.meurer@gmail.com>
@jasnell @targos
deps: V8: Backport of 0dd3390 from upstream
2b238d8 
Original commit message:

  Reland "[builtins] Add %IsTraceCategoryEnabled and %Trace builtins"

  This is a reland of 8d4572a

  Original change's description:
  > [builtins] Add %IsTraceCategoryEnabled and %Trace builtins
  >
  > Adds the builtin Trace and IsTraceCategoryEnabled functions
  > exposed via extra bindings. These are intended to use by
  > embedders to allow basic trace event support from JavaScript.
  >
  > ```js
  > isTraceCategoryEnabled('v8.some-category')
  >
  > trace('e'.charCodeAt(0), 'v8.some-category',
  >       'Foo', 0, { abc: 'xyz'})
  > ```
  >
  > Bug: v8:7851
  > Change-Id: I7bfb9bb059efdf87d92a56a0aae326650730c250
  > Reviewed-on: chromium-review.googlesource.com/1103294
  > Commit-Queue: Yang Guo <yangguo@chromium.org>
  > Reviewed-by: Yang Guo <yangguo@chromium.org>
  > Reviewed-by: Fadi Meawad <fmeawad@chromium.org>
  > Reviewed-by: Camillo Bruni <cbruni@chromium.org>
  > Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
  > Cr-Commit-Position: refs/heads/master@{#54121}

  TBR=cbruni@chromium.org

  Bug: v8:7851
  Change-Id: Id063754b2834b3b6a2b2654e76e8637bcd6aa5f8
  Reviewed-on: chromium-review.googlesource.com/1137071
  Commit-Queue: Yang Guo <yangguo@chromium.org>
  Reviewed-by: Yang Guo <yangguo@chromium.org>
  Reviewed-by: Camillo Bruni <cbruni@chromium.org>
  Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
  Cr-Commit-Position: refs/heads/master@{#54532}

PR-URL: nodejs#21899
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
@targos
deps: cherry-pick 804a693 from upstream V8
ef45ada 
Original commit message:

    [postmortem] add JS_ERROR_TYPE and context embedder index

      * JS_ERROR_TYPE is required for postmortem tools to inspect
        JSError objects (see nodejs/llnode#215
        for a usage example)
      * The context embedder index is required for postmortem tools to
        access embedder data stored in the context (see
        nodejs/llnode#204 for a usage example)

    R=bmeurer@google.com, yangguo@google.com

    Change-Id: Ib7c7eb44f6ad327fc71a1d45f510c49377db7a25
    Reviewed-on: https://chromium-review.googlesource.com/1138493
    Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
    Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#54475}

Refs: v8/v8@804a693

PR-URL: nodejs#21855
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
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targos commented Jul 26, 2018 •
edited

V8 6.8 just landed on master.

I think it would be best to retarget this PR to v10.x-staging. It would become the backport PR.
I prepared and tested a branch for this:

  • Based on v10.x-staging
  • Cherry-pick V8 6.8 update except the NODE_MODULE_VERSION bump
  • Cherry-pick both of your commits

@psmarshall Can I force push it to this PR's branch?

@psmarshall
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@targos Yes please do 👍

@targos targos changed the base branch from master to v10.x-staging July 26, 2018 11:55
@targos targos added the v10.x label Jul 26, 2018
RReverser and others added 3 commits July 26, 2018 14:02
@RReverser @targos
test: fix scriptParsed event expectations
104953c 
As per Node.js docs, vm.Script instance is not bound to any context.

However, this test was expecting otherwise and depended on
implementation details which are going to change.

Refs: https://chromium-review.googlesource.com/c/v8/v8/+/1013581

PR-URL: nodejs#21079
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
@cjihrig @targos
test: update postmortem metadata test
c02028d 
This commit updates the following postmortem metadata constant:

- v8dbg_context_idx_closure
  - Renamed: v8dbg_context_idx_scope_info
  - V8 commit: v8/v8@39496a9#diff-f3f182b0510ba2ee39ae87e421ff110b

Fixes: nodejs/node-v8#59

PR-URL: nodejs#21079
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
@psmarshall @targos
deps: patch the V8 API to be backwards compatible with 6.7
11d539c
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targos commented Jul 26, 2018

Done!
I also excluded 0f3c2c6 instead of applying and immediately reverting it.

MylesBorins pushed a commit that referenced this pull request Aug 10, 2018
@MylesBorins
deps: cherry-pick b20faff from upstream V8
5b6c401 
Original commit message:

    [log] fix ExistingCodeLogger behavior on edge case

    ExistingCodeLogger was behaving incorrectly when the
    CodeEventHandler API was used in combination with
    --interpreted-frames-native-stack.  Instead of collecting copied
    trampolines as InterpretedFunction:functionName, they were being
    collected as Builtin:IntepreterEntryTrampolines.  This patch adds
    special handling for copied trampolines when using
    ExistingCodeLogger.

    R=yangguo@google.com

    Change-Id: I3ee4be03800122d28d53b51b20c60dcf6263e4c1
    Reviewed-on: https://chromium-review.googlesource.com/1087813
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Commit-Queue: Yang Guo <yangguo@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#53624}

Refs: v8/v8@b20faff

Backport-PR-URL: #21668
PR-URL: #21126
Refs: v8/v8@aa6ce3e
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
MylesBorins pushed a commit that referenced this pull request Aug 10, 2018
@MylesBorins
deps: cherry-pick acc336c from upstream V8
ffa835e 
Original commit message:

    [log] fix boolean logic on LogCodeObject

    R=yangguo@google.com

    Change-Id: Icb4825344991e5b2d15050e037064c60eeb9617e
    Reviewed-on: https://chromium-review.googlesource.com/1097578
    Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#53777}

Refs: v8/v8@acc336c

Backport-PR-URL: #21668
PR-URL: #21126
Refs: v8/v8@aa6ce3e
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
MylesBorins pushed a commit that referenced this pull request Aug 10, 2018
@MylesBorins
deps: cherry-pick 70c4340 from upstream V8
3afffeb 
Original commit message:

    [log][api] Fix GCC 4.9 build failure

    GCC 4.9 used on some Node.js CI machines complains when the control
    reaches the end of a non-void function and no return is encountered.

    R=bmeurer@google.com, ofrobots@google.com, yangguo@google.com

    Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
    Change-Id: I5af0192cb187eccbf34dbb60ff3ac2e4774af803
    Reviewed-on: https://chromium-review.googlesource.com/1105619
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Commit-Queue: Yang Guo <yangguo@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#53861}

Refs: v8/v8@70c4340

Backport-PR-URL: #21668
PR-URL: #21126
Refs: v8/v8@aa6ce3e
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
MylesBorins pushed a commit that referenced this pull request Aug 10, 2018
@devsnek @MylesBorins
deps: cherry-pick 477df06 from upstream v8
a9ec888 
Original commit message:

    [API] Expand BigInt API

    Provide a more complete BigInt API.

    Bug: v8:7712
    Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
    Change-Id: Ic8562d616f3125deabdf8b52c7019b191bef0e07
    Reviewed-on: chromium-review.googlesource.com/1101198
    Commit-Queue: Yang Guo <yangguo@chromium.org>
    Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#54122}

Backport-PR-URL: #21668
PR-URL: #21644
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
MylesBorins pushed a commit that referenced this pull request Aug 10, 2018
@addaleax @MylesBorins
deps: cherry-pick 555c811 from upstream V8
c712e8c 
Original commit message:

    [api] Switch from `SetBuildEmbedderGraphCallback` to `AddBuildEmbedderGraphCallback`

    `SetBuildEmbedderGraphCallback`, unlike `SetWrapperClassInfoProvider`,
    assumes a monolithic embedder that can provide all necessary information.
    That is not the case for e.g. Node.js, which can e.g. provide multiple Node.js
    instances per V8 Isolate, as well as native addons that may allocate resources
    on their own.

    Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
    Change-Id: Ib53dfde82416dd69934b08623e27d674a483ac2d
    Reviewed-on: https://chromium-review.googlesource.com/1082441
    Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
    Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#53545}

Refs: v8/v8@555c811

Backport-PR-URL: #21668
PR-URL: #21741
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
MylesBorins pushed a commit that referenced this pull request Aug 10, 2018
@targos @MylesBorins
deps: cherry-pick 2075910 from upstream V8
7299421 
Original commit message:

    [turbofan] Remove optimization of default Promise capability functions.

    The JSCallReducer could in theory inline the default resolve and reject
    functions passed to the executor in the Promise constructor. But that
    inlining is almost never triggered because we don't have SFI based feedback
    in the CallIC. Also the use of the Promise constructor is discouraged,
    so we shouldn't really need to squeeze the last bit of performance out
    of this even in the future.

    Getting rid of this optimization will make significantly easier to
    implement the Swallowed Rejection Hook, as there's less churn on the
    TurboFan side then.

    Bug: v8:7919
    Change-Id: If0c54f1c6c7ce95686cd74232be6b8693ac688c9
    Reviewed-on: https://chromium-review.googlesource.com/1125926
    Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
    Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#54210}

Refs: v8/v8@2075910

Backport-PR-URL: #21668
PR-URL: #21838
Refs: nodejs/promises-debugging#8
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
Reviewed-By: Benedikt Meurer <benedikt.meurer@gmail.com>
MylesBorins pushed a commit that referenced this pull request Aug 10, 2018
@targos @MylesBorins
deps: cherry-pick 907d7bc from upstream V8
ada715f 
Original commit message:

    [promise] Implement Swallowed Rejection Hook.

    This extends the current Promise Rejection Hook with two new events

      kPromiseRejectAfterResolved
      kPromiseResolveAfterResolved

    which are used to detect (and signal) misuse of the Promise constructor.
    Specifically the common bug like

      new Promise((res, rej) => {
        res(1);
        throw new Error("something")
      });

    where the error is silently swallowed by the Promise constructor without
    the user ever noticing can be caught via this hook.

    Doc: https://goo.gl/2stLUY
    Bug: v8:7919
    Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
    Change-Id: I890a7e766cdd1be88db94844fb744f72823dba33
    Reviewed-on: https://chromium-review.googlesource.com/1126099
    Reviewed-by: Maya Lekova <mslekova@chromium.org>
    Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#54309}

Refs: v8/v8@907d7bc

Backport-PR-URL: #21668
PR-URL: #21838
Refs: nodejs/promises-debugging#8
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
Reviewed-By: Benedikt Meurer <benedikt.meurer@gmail.com>
MylesBorins pushed a commit that referenced this pull request Aug 10, 2018
@jasnell @MylesBorins
deps: V8: Backport of 0dd3390 from upstream
eb9850a 
Original commit message:

  Reland "[builtins] Add %IsTraceCategoryEnabled and %Trace builtins"

  This is a reland of 8d4572a

  Original change's description:
  > [builtins] Add %IsTraceCategoryEnabled and %Trace builtins
  >
  > Adds the builtin Trace and IsTraceCategoryEnabled functions
  > exposed via extra bindings. These are intended to use by
  > embedders to allow basic trace event support from JavaScript.
  >
  > ```js
  > isTraceCategoryEnabled('v8.some-category')
  >
  > trace('e'.charCodeAt(0), 'v8.some-category',
  >       'Foo', 0, { abc: 'xyz'})
  > ```
  >
  > Bug: v8:7851
  > Change-Id: I7bfb9bb059efdf87d92a56a0aae326650730c250
  > Reviewed-on: chromium-review.googlesource.com/1103294
  > Commit-Queue: Yang Guo <yangguo@chromium.org>
  > Reviewed-by: Yang Guo <yangguo@chromium.org>
  > Reviewed-by: Fadi Meawad <fmeawad@chromium.org>
  > Reviewed-by: Camillo Bruni <cbruni@chromium.org>
  > Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
  > Cr-Commit-Position: refs/heads/master@{#54121}

  TBR=cbruni@chromium.org

  Bug: v8:7851
  Change-Id: Id063754b2834b3b6a2b2654e76e8637bcd6aa5f8
  Reviewed-on: chromium-review.googlesource.com/1137071
  Commit-Queue: Yang Guo <yangguo@chromium.org>
  Reviewed-by: Yang Guo <yangguo@chromium.org>
  Reviewed-by: Camillo Bruni <cbruni@chromium.org>
  Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
  Cr-Commit-Position: refs/heads/master@{#54532}

Backport-PR-URL: #21668
PR-URL: #21899
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
MylesBorins pushed a commit that referenced this pull request Aug 10, 2018
@MylesBorins
deps: cherry-pick 804a693 from upstream V8
48ab7dc 
Original commit message:

    [postmortem] add JS_ERROR_TYPE and context embedder index

      * JS_ERROR_TYPE is required for postmortem tools to inspect
        JSError objects (see nodejs/llnode#215
        for a usage example)
      * The context embedder index is required for postmortem tools to
        access embedder data stored in the context (see
        nodejs/llnode#204 for a usage example)

    R=bmeurer@google.com, yangguo@google.com

    Change-Id: Ib7c7eb44f6ad327fc71a1d45f510c49377db7a25
    Reviewed-on: https://chromium-review.googlesource.com/1138493
    Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
    Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#54475}

Refs: v8/v8@804a693

Backport-PR-URL: #21668
PR-URL: #21855
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
MylesBorins pushed a commit that referenced this pull request Aug 10, 2018
@RReverser @MylesBorins
test: fix scriptParsed event expectations
3175391 
As per Node.js docs, vm.Script instance is not bound to any context.

However, this test was expecting otherwise and depended on
implementation details which are going to change.

Refs: https://chromium-review.googlesource.com/c/v8/v8/+/1013581

Backport-PR-URL: #21668
PR-URL: #21079
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
MylesBorins pushed a commit that referenced this pull request Aug 10, 2018
@cjihrig @MylesBorins
test: update postmortem metadata test
43c5455 
This commit updates the following postmortem metadata constant:

- v8dbg_context_idx_closure
  - Renamed: v8dbg_context_idx_scope_info
  - V8 commit: v8/v8@39496a9#diff-f3f182b0510ba2ee39ae87e421ff110b

Fixes: nodejs/node-v8#59

Backport-PR-URL: #21668
PR-URL: #21079
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
MylesBorins pushed a commit that referenced this pull request Aug 10, 2018
@psmarshall @MylesBorins
deps: patch the V8 API to be backwards compatible with 6.7
3cf809d 
PR-URL: #21668
Fixes: https://github.com/I
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
MylesBorins pushed a commit that referenced this pull request Aug 10, 2018
@targos @MylesBorins
deps: refactor v8.gyp
ce5cacd 
Mostly reorders lists of source files to match more BUILD.gn.
Fixes a few wrong entries.

Backport-PR-URL: #21668
PR-URL: #22017
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
MylesBorins pushed a commit that referenced this pull request Aug 10, 2018
@psmarshall @MylesBorins
deps: remove thread_local to fix V8 compilation
4e6be4c 
PR-URL: #21668
Fixes: https://github.com/I
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
@MylesBorins
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@targos targos added this to Backports done in v10.x Sep 23, 2018
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