Stage 3 Proposal: Object.getOwnPropertyDescriptors - #9

…8#9 id:180001 of https://codereview.chromium.org/1609233002/ )

Reason for revert:
[Sheriff] Breaks gcmole:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20gcmole/builds/6260

Original issue's description:
> Do not eagerly instantiate accessors' JSFunction.
>
> BUG=
>
> Committed: https://crrev.com/4d46b510caf534d770ce19a01a11b8796304471b
> Cr-Commit-Position: refs/heads/master@{#33812}

[email protected],[email protected]
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review URL: https://codereview.chromium.org/1679683004

Cr-Commit-Position: refs/heads/master@{#33814}

…8#9 id:160001 of https://codereview.chromium.org/1712003003/ )

Reason for revert:
[Sheriff] Seems to break gcmole:
https://build.chromium.org/p/client.v8/builders/V8%20Linux/builds/8295

Original issue's description:
> Add WasmFrame, backtraces reflect wasm's presence
>
> For now WasmFrame doesn't summarize the wasm frames. That'll require adding the
> metadata in wasm-compiler similar to DeoptimizationInputData.
>
> Teach the basic backtrace to iterate over stack frames instead of JS frames.
>
> Update the wasm stack test.
>
> `git cl format` touches random lines in files I touch.
>
> [email protected]
> TEST=d8 --test --expose-wasm test/mjsunit/mjsunit.js test/mjsunit/wasm/stack.js
>
> Committed: https://crrev.com/aeca945786dcccad3efecfddbf2c07aefa524a56
> Cr-Commit-Position: refs/heads/master@{#34220}

[email protected],[email protected],[email protected],[email protected]
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1730673002

Cr-Commit-Position: refs/heads/master@{#34221}

…t return. (patchset v8#9 id:160001 of https://codereview.chromium.org/1818873003/ )

Reason for revert:
[Sheriff] Seems to break nosnap debug:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20nosnap%20-%20debug/builds/6019

Original issue's description:
> [Interpreter] Adds support to fetch return value on break at return.
>
> Debugger fetches the return value of a function when we break at return.
> Interpreter holds the return value in accumulator. This is not stored in a
> specified location on stack and hence it is not possible to look it up from
> stack similar to full-codegen or optimized frames. This cl adds support to
> store the value of accumulator on debug breaks. The value of accumulator is
> passed to the runtime function and is then stored in thread local data.
>
> Also changes full-codegen implementation to match that of ignition.
> The return value from full-codegen is also stored in thread local data.
> The return value is fetched directly thread local data instead of
> finding it by iterating over frames.
>
> BUG=v8:4280, v8:4690
> LOG=N
>
> Committed: https://crrev.com/fb65527b75754bcf3b173f16f5d0b04a1c6d9b99
> Cr-Commit-Position: refs/heads/master@{#35060}

[email protected],[email protected],[email protected],[email protected],[email protected],[email protected]
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4280, v8:4690

Review URL: https://codereview.chromium.org/1834733002

Cr-Commit-Position: refs/heads/master@{#35065}

… id:180001 of https://codereview.chromium.org/1838283003/ )

Reason for revert:
The boilerplate is copied based on the boilerplate + memento size, which reads off the end of the boilerplate.

Original issue's description:
> Migrate FastCloneShallowObjectStub to TurboFan
>
> BUG=
>
> Committed: https://crrev.com/4c2b04542f263b2679194f9fb75672ebbe72b924
> Cr-Commit-Position: refs/heads/master@{#35330}
>
> Committed: https://crrev.com/7fdfdc12d4e4291348112ace4278a827f57f2eb9
> Cr-Commit-Position: refs/heads/master@{#35494}

[email protected],[email protected]
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1888043006

Cr-Commit-Position: refs/heads/master@{#35544}

Merged 03975be

[turbofan] Remove some clever-but-wrong bits from select lowering.

BUG=chromium:600593
LOG=N
[email protected]

Review URL: https://codereview.chromium.org/1877223005 .

Cr-Commit-Position: refs/branch-heads/5.1@{v8#9}
Cr-Branched-From: 167dc63-refs/heads/5.1.281@{#1}
Cr-Branched-From: 03953f5-refs/heads/master@{#35282}

…id:160001 of https://codereview.chromium.org/2090333002/ )

Reason for revert:
[Sheriff] Breaks layout tests:
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/7700

Please rebase upstream first if intended.

Original issue's description:
> Use JS_ERROR_TYPE to check for error objects.
>
> Replace explicit Object::IsErrorObject() with macro generated functions Object::IsJSError() and HeapObject::IsJSError().
>
> BUG=
>
> Committed: https://crrev.com/90e4fd136387ca7271d8ea87f4fc667e4f55063b
> Cr-Commit-Position: refs/heads/master@{#37244}

[email protected],[email protected],[email protected]
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review-Url: https://codereview.chromium.org/2092083002
Cr-Commit-Position: refs/heads/master@{#37250}

…e access to (patchset v8#9 id:160001 of https://codereview.chromium.org/2034083002/ )

Reason for revert:
Causes crashes on Canary

Original issue's description:
> Don't compile functions in a context the caller doesn't have access to
>
> Instead just return undefined
>
> A side effect of this is that it's no longer possible to compile
> functions in a detached context.
>
> BUG=chromium:541703
> [email protected],[email protected]
> CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng
>
> Committed: https://crrev.com/992e34c21635b179a993b82ac1d81753e7a6a57a
> Cr-Commit-Position: refs/heads/master@{#37657}

[email protected],[email protected],[email protected]
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:541703, chromium:628053

Review-Url: https://codereview.chromium.org/2148163002
Cr-Commit-Position: refs/heads/master@{#37736}

…8#9 id:180001 of https://codereview.chromium.org/2240463002/ )

Reason for revert:
Revert again...

Original issue's description:
> [Interpreter] Introduce InterpreterCompilationJob
>
> Adds InterpreterCompilationJob as a sub-class of
> CompilationJob, to enable off-thread bytecode
> generation. Currently only used in
> Interpreter::MakeBytecode.
>
> As part of this change, CompilationJob is modified
> to make it less specific to optimized compilation,
> renaming the phases as follows:
>  - CreateGraph -> PrepareJob
>  - OptimizeGraph -> ExecuteJob
>  - GenerateCode -> FinalizeJob
>
> RegisterWeakObjectsInOptimizedCode is also moved out
> of CompilationJob and instead becomes a static function
> on Compiler.
>
> BUG=v8:5203
>
> Committed: https://crrev.com/1fb6a7e697e8bc5b4af51647553741f966e00cdc
> Committed: https://crrev.com/785990e9fc0dd9a9d963d25d0bed2909165e4ca9
> Committed: https://crrev.com/d7c6195c4c5cdc080caa74dfe2ae9ecab69bea73
> Cr-Original-Original-Commit-Position: refs/heads/master@{#38662}
> Cr-Original-Commit-Position: refs/heads/master@{#38668}
> Cr-Commit-Position: refs/heads/master@{#38725}

[email protected],[email protected]
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5203

Review-Url: https://codereview.chromium.org/2260583002
Cr-Commit-Position: refs/heads/master@{#38727}

…id:160001 of https://codereview.chromium.org/2272383002/ )

Reason for revert:
Breaks cctest/test-api-interceptors/QueryInterceptor on the waterfall

Original issue's description:
> [api] Add interceptor for defineProperty().
>
> With the Indexed/GenericNamedPropertyDefinerCallback it is possible to intercept Object.defineProperty() calls.
>
> Requests that call JSReceiver::OrdinaryDefineOwnProperty() internally, also trigger the interceptor. This includes Object.freeze(), Object.preventExtensions(), and Object.seal().
>
> BUG=
>
> Committed: https://crrev.com/b9d985975cf3bab0ded0cec9fafd3799f9bde29a
> Cr-Commit-Position: refs/heads/master@{#39094}

[email protected],[email protected]
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review-Url: https://codereview.chromium.org/2303533004
Cr-Commit-Position: refs/heads/master@{#39095}

…001 of https://codereview.chromium.org/2335343007/ )

Reason for revert:
Blocks Roll https://codereview.chromium.org/2366733002/

Original issue's description:
> Pool implementation for zone segments
>
> BUG=v8:5409
>
> Committed: https://crrev.com/37c688a24578e787d3d8941093563ed049c3497e
> Cr-Commit-Position: refs/heads/master@{#39631}

[email protected],[email protected],[email protected],[email protected]
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5409

Review-Url: https://codereview.chromium.org/2365843002
Cr-Commit-Position: refs/heads/master@{#39652}

…(patchset v8#9 id:160001 of https://codereview.chromium.org/2364923002/ )

Reason for revert:
OOMs in nosnap debug:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20nosnap%20-%20debug/builds/9572

Original issue's description:
> [heap] New heuristics for starting of incremental marking.
>
> The motivation for this patch is to move more marking work to tasks.
> This is done by postponing the start of incremental marking until
> a marking task is running.
>
> This patch introduces a soft and a hard limits for incremental marking.
> When the soft limit is reached, the marking task is scheduled.
> If the hard limit is reached before the task is running, then
> incremental marking is started without waiting for the task.
>
> BUG=chromium:616434
> LOG=NO
>
> Committed: https://crrev.com/55683ddd2a32e0dfb8df66271fbf53e3618cce9d
> Cr-Commit-Position: refs/heads/master@{#39831}

[email protected],[email protected]
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:616434

Review-Url: https://codereview.chromium.org/2375983002
Cr-Commit-Position: refs/heads/master@{#39833}

…atchset v8#9 id:160001 of https://codereview.chromium.org/2364923002/ )"

This reverts commit a5440d1.

BUG=chromium:616434
[email protected]
LOG=NO

Review-Url: https://codereview.chromium.org/2379663002
Cr-Commit-Position: refs/heads/master@{#39838}

Cr-Commit-Position: refs/branch-heads/5.4@{#9}
Cr-Branched-From: 5ce2827-refs/heads/5.4.500@{#2}
Cr-Branched-From: ad07b49-refs/heads/master@{#38841}

Cr-Commit-Position: refs/branch-heads/5.5@{#9}
Cr-Branched-From: 3cbd583-refs/heads/5.5.372@{#1}
Cr-Branched-From: b3c8b0c-refs/heads/master@{#40015}

Revision: 08377af

BUG=v8:5640
LOG=N
NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true
[email protected]

Review URL: https://codereview.chromium.org/2513403002 .

Cr-Commit-Position: refs/branch-heads/5.6@{v8#9}
Cr-Branched-From: bdd3886-refs/heads/5.6.326@{#1}
Cr-Branched-From: 879f659-refs/heads/master@{#41014}

Cr-Commit-Position: refs/branch-heads/5.7@{#9}
Cr-Branched-From: 975e9a3-refs/heads/5.7.492@{#1}
Cr-Branched-From: 8d76f0e-refs/heads/master@{#42426}

…patchset v8#9 id:160001 of https://codereview.chromium.org/2630233003/ )

Reason for revert:
Some heap tests are broken leading to failures on nosnap builds:

https://build.chromium.org/p/client.v8.ports/builders/V8%20Linux%20-%20arm64%20-%20sim%20-%20nosnap%20-%20debug/builds/3677

Reverting again until tests are fixed to keep bots green.

Original issue's description:
> [regexp] Store named captures on the regexp result
>
> This implements storing named captures on the regexp result object.
> For instance, /(?<a>.)/u.exec("b") will return a result such that:
>
> result.group.a  // "b"
>
> https://tc39.github.io/proposal-regexp-named-groups/
>
> BUG=v8:5437
>
> Review-Url: https://codereview.chromium.org/2630233003
> Cr-Original-Original-Commit-Position: refs/heads/master@{#42532}
> Committed: https://chromium.googlesource.com/v8/v8/+/70000946eb2a9155679528702a766219a1fcf154
> Review-Url: https://codereview.chromium.org/2630233003
> Cr-Original-Commit-Position: refs/heads/master@{#42570}
> Committed: https://chromium.googlesource.com/v8/v8/+/ee94fa11ed63477393c6534c352ebac6e502396c
> Review-Url: https://codereview.chromium.org/2630233003
> Cr-Commit-Position: refs/heads/master@{#42676}
> Committed: https://chromium.googlesource.com/v8/v8/+/8bf52534f6bf86821a1589dcbcb7335052c1f94f

[email protected],[email protected]
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5437

Review-Url: https://codereview.chromium.org/2654233002
Cr-Commit-Position: refs/heads/master@{#42681}

…analysis to be deferred. (patchset v8#9 id:180001 of https://codereview.chromium.org/2650883002/ )

Reason for revert:
Issue on arm64:
https://build.chromium.org/p/client.v8.ports/builders/V8%20Linux%20-%20arm64%20-%20sim/builds/5752

Original issue's description:
> [Compiler] Enable handles created during parsing and scope analysis to be deferred.
>
> In order to compile eager inner functions on a background thread we need to
> keep the handles created during parsing and scope analysis alive until the
> background compilation is complete. In order to do that, we allocate the
> handles in a deferred handle scope and keep the deferred handles alive with
> a shared_ptr in the ParseInfo and CompileInfo respectively.
>
> BUG=v8:5203
>
> Review-Url: https://codereview.chromium.org/2650883002
> Cr-Commit-Position: refs/heads/master@{#43091}
> Committed: https://chromium.googlesource.com/v8/v8/+/9346cd9b4c50466aa8d50e98c56b84ba47c2a115

[email protected]
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5203

Review-Url: https://codereview.chromium.org/2687973003
Cr-Commit-Position: refs/heads/master@{#43093}

…https://codereview.chromium.org/2695613004/ )

Reason for revert:
Fails with nosse4:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20debug/builds/13853

Original issue's description:
> Add several SIMD opcodes to IA32
>
> CreateInt32x4, Int32x4ExtractLane, Int32x4ReplaceLane
> Int32x4Add, Int32x4Sub
>
> Also add paddd and psubd to ia32-assembler
>
> BUG=
>
> Review-Url: https://codereview.chromium.org/2695613004
> Cr-Commit-Position: refs/heads/master@{#43483}
> Committed: https://chromium.googlesource.com/v8/v8/+/4deb9ffdecf121c69a3db7eae6698eae23a80a15

[email protected],[email protected],[email protected],[email protected]
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review-Url: https://codereview.chromium.org/2717423003
Cr-Commit-Position: refs/heads/master@{#43489}

Revision: c776223

BUG=chromium:696651
LOG=N
NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true
[email protected]

Review-Url: https://codereview.chromium.org/2727063005 .
Cr-Commit-Position: refs/branch-heads/5.8@{#9}
Cr-Branched-From: eda659c-refs/heads/5.8.283@{#1}
Cr-Branched-From: 4310cd0-refs/heads/master@{#43429}

…01 of https://codereview.chromium.org/2785293002/ )

Reason for revert:
Seems to block roll:
https://codereview.chromium.org/2801013002/

See also:
https://build.chromium.org/p/client.v8.fyi/builders/Linux%20Tests%20%28dbg%29%281%29/builds/2731

Original issue's description:
> [inspector] move console to builtins
>
> What will we get:
> - console would be included into snapshot and allow us to reduce time that we spent in contextCreated function (~5 times faster),
> - it allows us to make further small improvement of console methods, e.g. we can implement super quick return from console.assert if first argument is true,
> - console calls are ~ 15% faster.
>
> BUG=v8:6175
> [email protected]
>
> Review-Url: https://codereview.chromium.org/2785293002
> Cr-Original-Original-Commit-Position: refs/heads/master@{#44353}
> Committed: https://chromium.googlesource.com/v8/v8/+/55905f85d63d75aaa9313e51eb7bede754a8e41c
> Review-Url: https://codereview.chromium.org/2785293002
> Cr-Original-Commit-Position: refs/heads/master@{#44355}
> Committed: https://chromium.googlesource.com/v8/v8/+/cc74ea0bc4fe4a71fa53d08b62cc18d15e01fbb3
> Review-Url: https://codereview.chromium.org/2785293002
> Cr-Commit-Position: refs/heads/master@{#44416}
> Committed: https://chromium.googlesource.com/v8/v8/+/f5dc738cda0336929dcb8eb73b87fdcd01b7c685

[email protected],[email protected]
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6175

Review-Url: https://codereview.chromium.org/2801023003
Cr-Commit-Position: refs/heads/master@{#44429}

Merged e4bb01b

Revert of [inspector] move console to builtins (patchset #9 id:180001 of https://codereview.chromium.org/2785293002/ )

[email protected]
BUG=v8:6175
LOG=N

Change-Id: If44b9ed25601e41a897de5e0393e72e272a3c19d
Reviewed-on: https://chromium-review.googlesource.com/469647
Reviewed-by: Michael Achenbach <[email protected]>
Cr-Commit-Position: refs/heads/5.9.175@{#2}
Cr-Branched-From: ba9fc3d-refs/heads/master@{#44422}

…handler and Turbofan stubs.

Revision: 53475ef

NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true

Change-Id: I2244c7e43bee6887b9049fb0046638cfc9e13e82
Reviewed-on: https://chromium-review.googlesource.com/476890
Reviewed-by: Leszek Swirski <[email protected]>
Cr-Commit-Position: refs/branch-heads/5.9@{#9}
Cr-Branched-From: fe9bb7e-refs/heads/5.9.211@{#1}
Cr-Branched-From: 70ad237-refs/heads/master@{#44591}

Merged 0902b5f

Incorrect handling of HTransitionElementsKind in hydrogen check elimination phase fixed.

BUG=chromium:460917
LOG=N
[email protected]

Review URL: https://codereview.chromium.org/1019033004

Cr-Commit-Position: refs/branch-heads/4.2@{#9}
Cr-Branched-From: 3dfd929-refs/heads/4.2.77@{#2}
Cr-Branched-From: e011092-refs/heads/master@{#26757}

Merged 9af0174
Merged 2e1dbae

Revert of [heap] Prepare code for smaller large object allocation limit than max allocatable memory. (patchset #10 id:180001 of https://codereview.chromium.org/1361853005/ )

Revert of Changed scavenge GC to collect unmodified references (patchset #9 id:160001 of https://codereview.chromium.org/1358703003/ )

BUG=chromium:524425,chromium:539814,v8:4421
LOG=N
[email protected]

Review URL: https://codereview.chromium.org/1375613005 .

Cr-Commit-Position: refs/heads/4.8.2@{#2}
Cr-Branched-From: 542662e-refs/heads/master@{#31118}

[email protected]

Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng
Change-Id: I7ccc2bebcbe7e5ec7e70f45e8d46fb599e498a8b
Reviewed-on: https://chromium-review.googlesource.com/818715
Reviewed-by: v8 autoroll <[email protected]>
Cr-Commit-Position: refs/branch-heads/6.4@{#9}
Cr-Branched-From: 0407506-refs/heads/6.4.388@{#1}
Cr-Branched-From: a5fc4e0-refs/heads/master@{#49724}

Bug: chromium:805439
Change-Id: I611a33d6b501d59b02a2766563a8d8241f3b68bb
Reviewed-on: https://chromium-review.googlesource.com/883532
Reviewed-by: Michael Hablich <[email protected]>
Cr-Commit-Position: refs/branch-heads/6.5@{#9}
Cr-Branched-From: 73c55f5-refs/heads/6.5.254@{#1}
Cr-Branched-From: 594a1a0-refs/heads/master@{#50664}

Revision: b8abd27

BUG=chromium:817225
LOG=N
NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true
[email protected]

Change-Id: I9bd5986843bb7d7d1b5e298f148db41642c2a2d7
Reviewed-on: https://chromium-review.googlesource.com/950882
Reviewed-by: Tobias Tebbi <[email protected]>
Cr-Commit-Position: refs/branch-heads/6.6@{#9}
Cr-Branched-From: d500271-refs/heads/6.6.346@{#1}
Cr-Branched-From: 265ef0b-refs/heads/master@{#51624}

[email protected]

Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: If39020cd008e4b467d94fab1fd2da46bd72478bb
Reviewed-on: https://chromium-review.googlesource.com/1011329
Reviewed-by: v8 autoroll <[email protected]>
Cr-Commit-Position: refs/branch-heads/6.7@{#9}
Cr-Branched-From: 8457e81-refs/heads/6.7.288@{#2}
Cr-Branched-From: e921be5-refs/heads/master@{#52547}

… memory executable"

Revision: 45fa14f

BUG=chromium:842862,chromium:845508,chromium:845877,chromium:845219
LOG=N
NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true
[email protected]

Change-Id: I4c140554b96038de6b34c572a6a6f307300bf557
Reviewed-on: https://chromium-review.googlesource.com/1084477
Reviewed-by: Yang Guo <[email protected]>
Cr-Commit-Position: refs/branch-heads/6.8@{#9}
Cr-Branched-From: 44d7d7d-refs/heads/6.8.275@{#1}
Cr-Branched-From: 5754f66-refs/heads/master@{#53286}

This reverts commit 52a10e5.

Reason for revert: https://test-results.appspot.com/data/layout_results/V8-Blink_Linux_64__dbg_/12434/layout-test-results/results.html

Crash e.g. in http/tests/devtools/oopif/oopif-performance-cpu-profiles.js

crash log for devtools (pid <unknown>):
STDOUT: <empty>
STDERR: 
STDERR: 
STDERR: #
STDERR: # Fatal error in ../../v8/src/compilation-dependencies.cc, line 281
STDERR: # Debug check failed: descriptor == owner->LastAdded() (10 vs. 22).
STDERR: #
STDERR: #
STDERR: #
STDERR: #FailureMessage Object: 0x7fff86878630#0 0x0000031c642c base::debug::StackTrace::StackTrace()
STDERR: #1 0x0000046a56bb gin::(anonymous namespace)::PrintStackTrace()
STDERR: v8#2 0x00000469c528 V8_Fatal()
STDERR: v8#3 0x00000469c285 v8::base::(anonymous namespace)::DefaultDcheckHandler()
STDERR: v8#4 0x000001cc5253 v8::internal::CompilationDependencies::DependOnFieldType()
STDERR: v8#5 0x000001cdcc46 v8::internal::compiler::AccessInfoFactory::ComputePropertyAccessInfo()
STDERR: v8#6 0x000001cde661 v8::internal::compiler::AccessInfoFactory::ComputePropertyAccessInfos()
STDERR: v8#7 0x000001dd982b v8::internal::compiler::JSNativeContextSpecialization::ReduceNamedAccess()
STDERR: v8#8 0x000001ddb715 v8::internal::compiler::JSNativeContextSpecialization::ReduceNamedAccessFromNexus()
STDERR: v8#9 0x000001dd656d v8::internal::compiler::JSNativeContextSpecialization::ReduceJSLoadNamed()
STDERR: v8#10 0x000001d53872 v8::internal::compiler::GraphReducer::Reduce()
STDERR: v8#11 0x000001d534a5 v8::internal::compiler::GraphReducer::ReduceTop()
STDERR: v8#12 0x000001d52e58 v8::internal::compiler::GraphReducer::ReduceNode()
STDERR: v8#13 0x000001e4c201 v8::internal::compiler::InliningPhase::Run()
STDERR: v8#14 0x000001e44f79 v8::internal::compiler::PipelineImpl::Run<>()
STDERR: v8#15 0x000001e41058 v8::internal::compiler::PipelineImpl::CreateGraph()
STDERR: v8#16 0x000001e40c75 v8::internal::compiler::PipelineCompilationJob::PrepareJobImpl()
STDERR: v8#17 0x000001ccd437 v8::internal::OptimizedCompilationJob::PrepareJob()
STDERR: v8#18 0x000001cd071e v8::internal::(anonymous namespace)::GetOptimizedCode()
STDERR: v8#19 0x000001cd0c6f v8::internal::Compiler::CompileOptimized()
STDERR: v8#20 0x00000231fb62 v8::internal::__RT_impl_Runtime_CompileOptimized_Concurrent()
STDERR: v8#21 0x00000288e535 <unknown>

Original change's description:
> [turbofan] Rewrite CompilationDependencies
> 
> Instead of installing code dependencies during graph reduction,
> install them after code generation.
> 
> Bug: v8:7902, v8:7790
> Change-Id: I8a3798254abb5b9ec7c295a1592aeb6b51f24c7a
> Reviewed-on: https://chromium-review.googlesource.com/1119913
> Commit-Queue: Georg Neis <[email protected]>
> Reviewed-by: Jaroslav Sevcik <[email protected]>
> Reviewed-by: Michael Starzinger <[email protected]>
> Cr-Commit-Position: refs/heads/master@{#54170}

[email protected],[email protected],[email protected]

Change-Id: Ic58c2bfadbd34bb6ba7dc0d2b74871cc90b0a74f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:7902, v8:7790
Reviewed-on: https://chromium-review.googlesource.com/1125680
Reviewed-by: Yang Guo <[email protected]>
Commit-Queue: Yang Guo <[email protected]>
Cr-Commit-Position: refs/heads/master@{#54192}

Currently AtomicStores use AtomicExchange to store to memory, but
AtomicExchange produces an output that is ignored by the AtomicStore
visitor, a side effect of this is that a register already in use gets
overwritten by the output of the exchange.

BUG:v8:7602
NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true

Change-Id: I4ec3107a0a27503611e349e6f56ca9492d05d9f8
Reviewed-on: https://chromium-review.googlesource.com/1134576
Reviewed-by: Ben Smith <[email protected]>
Reviewed-by: Bill Budge <[email protected]>
Commit-Queue: Deepti Gandluri <[email protected]>
Cr-Original-Commit-Position: refs/heads/master@{#54565}(cherry picked from commit 84efdf0)
Reviewed-on: https://chromium-review.googlesource.com/1144365
Cr-Commit-Position: refs/branch-heads/6.9@{#9}
Cr-Branched-From: d7b61ab-refs/heads/6.9.427@{#1}
Cr-Branched-From: b7e108d-refs/heads/master@{#54504}

This reverts commit caed2cc.

Reason for revert: Breaks layout tests, e.g.

https://test-results.appspot.com/data/layout_results/V8-Blink_Linux_64__dbg_/14924/webkit_layout_tests%20%28with%20patch%29/layout-test-results/results.html

crash log for renderer (pid <unknown>):
STDOUT: <empty>
STDERR: 
STDERR: 
STDERR: #
STDERR: # Fatal error in ../../v8/src/base/platform/elapsed-timer.h, line 24
STDERR: # Debug check failed: !IsStarted().
STDERR: #
STDERR: #
STDERR: #
STDERR: #FailureMessage Object: 0x7ffc46707640#0 0x565409263b6f base::debug::StackTrace::StackTrace()
STDERR: #1 0x56540a8a32fb gin::(anonymous namespace)::PrintStackTrace()
STDERR: #2 0x56540a8980d8 V8_Fatal()
STDERR: #3 0x56540a897e35 v8::base::(anonymous namespace)::DefaultDcheckHandler()
STDERR: v8#4 0x565407971f02 v8::base::ElapsedTimer::Start()
STDERR: v8#5 0x565407d08edf v8::internal::TimedHistogram::Start()
STDERR: v8#6 0x565407e500d5 v8::internal::IncrementalMarking::AdvanceIncrementalMarkingOnAllocation()
STDERR: v8#7 0x565407e4f977 v8::internal::IncrementalMarking::Observer::Step()
STDERR: v8#8 0x565407e48092 v8::internal::AllocationObserver::AllocationStep()
STDERR: v8#9 0x565407eb0751 v8::internal::SpaceWithLinearArea::InlineAllocationStep()
STDERR: v8#10 0x565407eb3e44 v8::internal::NewSpace::EnsureAllocation()
STDERR: v8#11 0x565407e258ff v8::internal::NewSpace::AllocateRaw()
STDERR: v8#12 0x565407e06b2d v8::internal::Heap::AllocateRaw()
STDERR: v8#13 0x565407e432ef v8::internal::Heap::AllocateRawWithLightRetry()
STDERR: v8#14 0x565407e433cf v8::internal::Heap::AllocateRawWithRetryOrFail()
STDERR: v8#15 0x565407e04d48 v8::internal::Factory::NewFixedArrayWithFiller()
STDERR: v8#16 0x565407fd6339 v8::internal::HashTable<>::New()
STDERR: v8#17 0x565407fd7be8 v8::internal::HashTable<>::EnsureCapacity()
STDERR: v8#18 0x565407fc7e95 v8::internal::Dictionary<>::Add()
STDERR: v8#19 0x565407fcf453 v8::internal::BaseNameDictionary<>::Add()
STDERR: v8#20 0x565407f89ee4 v8::internal::LookupIterator::ApplyTransitionToDataProperty()
STDERR: v8#21 0x5654080036e2 v8::internal::Object::AddDataProperty()
STDERR: v8#22 0x56540793061f v8::internal::(anonymous namespace)::DefineDataProperty()
STDERR: v8#23 0x56540792da59 v8::internal::(anonymous namespace)::InstantiateObject()
STDERR: v8#24 0x56540792b75a v8::internal::(anonymous namespace)::InstantiateFunction()
STDERR: v8#25 0x56540792b4db v8::internal::ApiNatives::InstantiateFunction()
STDERR: v8#26 0x5654079594bf v8::FunctionTemplate::GetFunction()
STDERR: v8#27 0x56540a7af74e blink::V8ObjectConstructor::CreateInterfaceObject()
STDERR: v8#28 0x56540a7afe01 blink::V8PerContextData::ConstructorForTypeSlowCase()
STDERR: v8#29 0x56540a7afdd6 blink::V8PerContextData::ConstructorForTypeSlowCase()
STDERR: v8#30 0x56540a7afdd6 blink::V8PerContextData::ConstructorForTypeSlowCase()
STDERR: v8#31 0x56540a7afcb4 blink::V8PerContextData::CreateWrapperFromCacheSlowCase()
STDERR: v8#32 0x56540a7aef73 blink::V8DOMWrapper::CreateWrapper()
STDERR: v8#33 0x56540a7abf6b blink::ScriptWrappable::Wrap()
STDERR: v8#34 0x56540a677199 blink::V8Document::documentElementAttributeGetterCallback()
STDERR: v8#35 0x565407a0aec3 v8::internal::FunctionCallbackArguments::Call()
STDERR: v8#36 0x565407a097be v8::internal::(anonymous namespace)::HandleApiCallHelper<>()
STDERR: v8#37 0x565407a0877b v8::internal::Builtins::InvokeApiFunction()
STDERR: v8#38 0x565407fe785a v8::internal::Object::GetPropertyWithAccessor()
STDERR: v8#39 0x565407fe697e v8::internal::Object::GetProperty()
STDERR: v8#40 0x565407ec8c71 v8::internal::LoadIC::Load()
STDERR: v8#41 0x565407ed6401 v8::internal::__RT_impl_Runtime_LoadIC_Miss()
STDERR: v8#42 0x5654087593f2 <unknown>
STDERR: [16162:16185:1122/143518.356897:WARNING:crash_handler_host_linux.cc(341)] Could not translate tid, attempt = 1 retry ...


Original change's description:
> [heap] Improve embedder tracing during incremental marking
> 
> Add a path into embedder tracing on allocation. This is safe as as Blink
> is not allowed to call into V8 during object construction.
> 
> Bug: chromium:843903
> Change-Id: I5af053c3169f5a33778ebce5d7c5c43e4efb1aa4
> Reviewed-on: https://chromium-review.googlesource.com/c/1348749
> Commit-Queue: Michael Lippautz <[email protected]>
> Reviewed-by: Ulan Degenbaev <[email protected]>
> Cr-Commit-Position: refs/heads/master@{#57757}

[email protected],[email protected]

Change-Id: Ide2c0b284b52bee17573adcc89f14be4e40dab91
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:843903
Reviewed-on: https://chromium-review.googlesource.com/c/1349189
Reviewed-by: Yang Guo <[email protected]>
Commit-Queue: Yang Guo <[email protected]>
Cr-Commit-Position: refs/heads/master@{#57759}

…pendent."

This reverts commit 38cd61d.

Reason for revert: Layout test http/tests/asmjs/asm-warnings.html fails due to missing context.

See https://ci.chromium.org/p/chromium/builders/luci.chromium.try/linux_chromium_rel_ng/238991


crash log for renderer (pid <unknown>):
STDOUT: <empty>
STDERR: [1:1:1123/024436.020348:FATAL:script_state.h(140)] Check failed: !context.IsEmpty(). 
STDERR: #0 0x5556817298df base::debug::StackTrace::StackTrace()
STDERR: #1 0x55568167b5fb logging::LogMessage::~LogMessage()
STDERR: #2 0x55568154ed45 blink::ScriptState::From()
STDERR: #3 0x555683047aa9 blink::V8Initializer::MessageHandlerInMainThread()
STDERR: v8#4 0x5556801793c8 v8::internal::MessageHandler::ReportMessageNoExceptions()
STDERR: v8#5 0x555680178652 v8::internal::MessageHandler::ReportMessage()
STDERR: v8#6 0x5556802c2563 v8::internal::PendingCompilationErrorHandler::ReportWarnings()
STDERR: v8#7 0x55567fc8bcd3 v8::internal::(anonymous namespace)::FinalizeUnoptimizedCode()
STDERR: v8#8 0x55567fc8b668 v8::internal::Compiler::Compile()
STDERR: v8#9 0x55567fc8be6b v8::internal::Compiler::Compile()
STDERR: v8#10 0x55568033a36f v8::internal::__RT_impl_Runtime_CompileLazy()
STDERR: v8#11 0x5556808f2492 <unknown>
STDERR: 
STDERR: [25209:25254:1123/024436.075700:WARNING:crash_handler_host_linux.cc(341)] Could not translate tid, attempt = 1 retry ...


The issue seems to be that we do require the context for when we report a compile error when finalizing the compilation.

Original change's description:
> [Compiler] Ensure unoptimized code generation is context independent.
> 
> Now that Asm.js code is also context independent, move code to ensure context independence
> from BytecodeGenerator to FinalizeUnoptimizedCode.
> 
> Change-Id: I7738eb3b347ea82764ecd3b5548dc82cb06d2f4e
> Reviewed-on: https://chromium-review.googlesource.com/c/1347483
> Reviewed-by: Michael Starzinger <[email protected]>
> Commit-Queue: Ross McIlroy <[email protected]>
> Cr-Commit-Position: refs/heads/master@{#57730}

[email protected],[email protected]

# Not skipping CQ checks because original CL landed > 1 day ago.

Change-Id: Iaa15e608b35a3396ba51a03f996c6de1330f0016
Reviewed-on: https://chromium-review.googlesource.com/c/1349236
Commit-Queue: Yang Guo <[email protected]>
Reviewed-by: Yang Guo <[email protected]>
Cr-Commit-Position: refs/heads/master@{#57785}

Revision: c403c56

BUG=chromium:894045,chromium:907585
LOG=N
NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true
[email protected]

Change-Id: I09baa3f0383e19061db7f54ac6e0aae5c18b2227
Reviewed-on: https://chromium-review.googlesource.com/c/1367446
Reviewed-by: Sergiy Belozorov <[email protected]>
Commit-Queue: Michael Achenbach <[email protected]>
Cr-Commit-Position: refs/branch-heads/7.2@{v8#9}
Cr-Branched-From: 6acd03c-refs/heads/7.2.502@{#1}
Cr-Branched-From: b03041d-refs/heads/master@{#57910}

This reverts commit 067ba2a.

Reason for revert: blocks roll: https://chromium-review.googlesource.com/c/chromium/src/+/1570208

21:26:22.251 27507   # Fatal error in ../../v8/src/profiler/profile-generator.cc, line 19
21:26:22.251 27507   # Debug check failed: line > 0 (0 vs. 0).
21:26:22.251 27507   #
21:26:22.251 27507   #
21:26:22.251 27507   #
21:26:22.252 27507   #FailureMessage Object: 0x7ffe851046a0#0 0x56532cb371f9 base::debug::CollectStackTrace()
21:26:22.252 27507   #1 0x56532ca70863 base::debug::StackTrace::StackTrace()
21:26:22.252 27507   v8#2 0x56532e99610b gin::(anonymous namespace)::PrintStackTrace()
21:26:22.252 27507   v8#3 0x56532e989468 V8_Fatal()
21:26:22.252 27507   v8#4 0x56532e9891c5 v8::base::(anonymous namespace)::DefaultDcheckHandler()
21:26:22.252 27507   v8#5 0x56532b2bb876 v8::internal::SourcePositionTable::SetPosition()
21:26:22.252 27507   v8#6 0x56532b2c2268 v8::internal::ProfilerListener::CodeCreateEvent()
21:26:22.252 27507   v8#7 0x56532ae25275 v8::internal::(anonymous namespace)::LogFunctionCompilation()
21:26:22.252 27507   v8#8 0x56532ae26008 v8::internal::OptimizedCompilationJob::RecordFunctionCompilation()
21:26:22.252 27507   v8#9 0x56532ae32a08 v8::internal::Compiler::FinalizeOptimizedCompilationJob()
21:26:22.252 27507   v8#10 0x56532ae228eb v8::internal::OptimizingCompileDispatcher::InstallOptimizedFunctions()
21:26:22.252 27507   v8#11 0x56532af14e4a v8::internal::StackGuard::HandleInterrupts()
21:26:22.252 27507   v8#12 0x56532b35f2ec v8::internal::__RT_impl_Runtime_StackGuard()
21:26:22.252 27507   v8#13 0x56532bba6720 <unknown>

Original change's description:
> [wasm] Add stack guard for logging code
> 
> Benchmarks or worker threads might never return to the event queue,
> hence they will never execute the scheduled foreground task to log
> compiled and published wasm code.
> This CL adds a stack guard to log the code, to ensure that we also log
> it for wasm code that never returns to the event queue.
> 
> R=​[email protected]
> 
> Bug: v8:9104
> Change-Id: I176959cadb4ab3a60153d0717530c032272ad3e8
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1561073
> Commit-Queue: Clemens Hammacher <[email protected]>
> Reviewed-by: Michael Starzinger <[email protected]>
> Cr-Commit-Position: refs/heads/master@{#60879}

[email protected],[email protected]

Change-Id: I63dc56a41747caf683b14869a2d62017fd0301c1
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:9104
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1570012
Reviewed-by: Michael Hablich <[email protected]>
Commit-Queue: Michael Hablich <[email protected]>
Cr-Commit-Position: refs/heads/master@{#60890}

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Cr-Branched-From: d077f9b-refs/heads/master@{#60039}

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Revision: bc33cc6

NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true
[email protected]

Change-Id: Idfbd6cdbc1229043d21f556fecab3743e1cf5a81
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1870235
Reviewed-by: Michael Achenbach <[email protected]>
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…es in loops

Revision: 2911a16

BUG=chromium:964833 chromium:970120
LOG=N
NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true
[email protected]

Change-Id: I51673d036bcb3423e9f0ee06eb5b8775282654dd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1649563
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