Whitespace, to trigger the bots.

BUG=

Review URL: https://codereview.chromium.org/831193004

Cr-Commit-Position: refs/heads/master@{#26003}

Regularly check hash set addresses to verify memory integrity.

BUG=

Review URL: https://codereview.chromium.org/804603006

Cr-Commit-Position: refs/heads/master@{#26002}

Remove "extra checks"

Instead, just use DCHECKs. The builders that want them in release mode
should already be useding dcheck_always_on anyways

BUG=none
R=machenbach@chromium.org
LOG=y

Review URL: https://codereview.chromium.org/841083002

Cr-Commit-Position: refs/heads/master@{#26001}

Unship ES6 classes.

R=rossberg@chromium.org
BUG=v8:3330

Review URL: https://codereview.chromium.org/836393003

Cr-Commit-Position: refs/heads/master@{#26000}

Verify that heap object iterator stays within page bound.

BUG=

Review URL: https://codereview.chromium.org/823583010

Cr-Commit-Position: refs/heads/master@{#25999}

Revert of Revert of Revert of Turn on job-based recompilation (patchset #1 id:1 of https://codereview.chromium.org/840023002/)

Reason for revert:
still doesn't work

Original issue's description:
> Revert of Revert of Turn on job-based recompilation (patchset #1 id:1 of https://codereview.chromium.org/791033007/)
>
> Reason for revert:
> attempt reland after landing a fix
>
> Original issue's description:
> > Revert of Turn on job-based recompilation (patchset #2 id:20001 of https://codereview.chromium.org/832183004/)
> >
> > Reason for revert:
> > revert
> >
> > Original issue's description:
> > > Turn on job-based recompilation
> > >
> > > BUG=v8:3608
> > > LOG=y
> > > R=yangguo@chromium.org
> > >
> > > Committed: https://crrev.com/715552409b4a08504301cf1ad4cb2e45a815f01b
> > > Cr-Commit-Position: refs/heads/master@{#25972}
> >
> > TBR=yangguo@chromium.org
> > NOTREECHECKS=true
> > NOTRY=true
> > BUG=v8:3608
> >
> > Committed: https://crrev.com/28a5a4865183769cbed9d42ad3fdc1b1d8bae3a3
> > Cr-Commit-Position: refs/heads/master@{#25975}
>
> TBR=yangguo@chromium.org
> NOTREECHECKS=true
> NOTRY=true
> BUG=v8:3608
>
> Committed: https://crrev.com/b4bc9c1a3a7d03dee0b3dd6460414085f79cd36e
> Cr-Commit-Position: refs/heads/master@{#25994}

TBR=yangguo@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=v8:3608

Review URL: https://codereview.chromium.org/832103003

Cr-Commit-Position: refs/heads/master@{#25998}

[turbofan] Cleanup duplicated/unused code in InstructionSelector.

- Use C++11 range based for loops.
- Remove duplicated virtual register set in unittests.
- Don't expose implementation details of InstructionSelector.

TEST=unittests
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/837423002

Cr-Commit-Position: refs/heads/master@{#25997}

Revert of Revert of Add d8 target to the GN build. (patchset #1 id:1 of https://codereview.chromium.org/838983002/)

Reason for revert:
Relanding because this is not actually blocking the roll.

Original issue's description:
> Revert of Add d8 target to the GN build. (patchset #2 id:40001 of https://codereview.chromium.org/834113005/)
>
> Reason for revert:
> V8 roll fails due to this change. (see https://codereview.chromium.org/843673003/)
>
> Original issue's description:
> > Add d8 target to the GN build.
> >
> > Also formats the rest of the file with "gn format". This accounts for all the changes except for the "d8" target additions.
> >
> > Committed: https://crrev.com/36383f08c1f692ea797d54a27d7c6b3d3d53b440
> > Cr-Commit-Position: refs/heads/master@{#25984}
>
> TBR=jochen@chromium.org,machenbach@chromium.org,brettw@chromium.org
> NOTREECHECKS=true
> NOTRY=true
>
> Committed: https://crrev.com/ef50fdfdb05e1a3a3822962f5235b804218a5f4e
> Cr-Commit-Position: refs/heads/master@{#25985}

TBR=jochen@chromium.org,machenbach@chromium.org,brettw@chromium.org
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/833563004

Cr-Commit-Position: refs/heads/master@{#25996}

Fix unsafe unaligned accesses in the serializer/deserializer.

R=svenpanne@chromium.org
BUG=v8:3771
LOG=N

Review URL: https://codereview.chromium.org/841943002

Cr-Commit-Position: refs/heads/master@{#25995}

Revert of Revert of Turn on job-based recompilation (patchset #1 id:1 of https://codereview.chromium.org/791033007/)

Reason for revert:
attempt reland after landing a fix

Original issue's description:
> Revert of Turn on job-based recompilation (patchset #2 id:20001 of https://codereview.chromium.org/832183004/)
>
> Reason for revert:
> revert
>
> Original issue's description:
> > Turn on job-based recompilation
> >
> > BUG=v8:3608
> > LOG=y
> > R=yangguo@chromium.org
> >
> > Committed: https://crrev.com/715552409b4a08504301cf1ad4cb2e45a815f01b
> > Cr-Commit-Position: refs/heads/master@{#25972}
>
> TBR=yangguo@chromium.org
> NOTREECHECKS=true
> NOTRY=true
> BUG=v8:3608
>
> Committed: https://crrev.com/28a5a4865183769cbed9d42ad3fdc1b1d8bae3a3
> Cr-Commit-Position: refs/heads/master@{#25975}

TBR=yangguo@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=v8:3608

Review URL: https://codereview.chromium.org/840023002

Cr-Commit-Position: refs/heads/master@{#25994}

Make sure that the TimerEventScope is destroyed before we signal completion

Otherwise, the isolate that is referenced by the scope might already be
gone

BUG=v8:3608
R=yangguo@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/836413005

Cr-Commit-Position: refs/heads/master@{#25993}

compiler: enable optimizer for function literals

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/821553003

Patch from Ben Noordhuis <ben@strongloop.com>.

Cr-Commit-Position: refs/heads/master@{#25992}

Revert of Hack around broken snapshot generation in the GN build on Android. (patchset #1 id:1 of https://codereview.chromium.org/832413005/)

Reason for revert:
Suspected to block the current v8 roll:
https://codereview.chromium.org/842783003/

Original issue's description:
> Hack around broken snapshot generation in the GN build on Android.
>
> The generated snapshot just crashes on the device, but
> disabling snapshots allows us to run V8 just fine which
> is sufficient for our purposes at this point.
>
> Mojo/Sky are GN-only so we depend on the V8 GN build even if
> it's not considered production for Chromium yet.
>
> R=jochen@chromium.org
>
> Committed: https://crrev.com/3e97df1ee8b8bfdddd63ad3c7b79960d24c83b74
> Cr-Commit-Position: refs/heads/master@{#25982}

TBR=jochen@chromium.org,eseidel@chromium.org
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/841043002

Cr-Commit-Position: refs/heads/master@{#25991}

Revert of Run "gn format" on v8's BUILD.gn file. (patchset #1 id:1 of https://codereview.chromium.org/787873003/)

Reason for revert:
Need to revert in order to revert
https://codereview.chromium.org/832413005/

Original issue's description:
> Run "gn format" on v8's BUILD.gn file.
>
> There should be no functional change.
>
> This is a reland of a portion of https://codereview.chromium.org/834113005/
>
> Committed: https://crrev.com/e1d957268d154e7fb7abd5a6cad54f602badc9b8
> Cr-Commit-Position: refs/heads/master@{#25986}

TBR=jochen@chromium.org,brettw@chromium.org
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/793613003

Cr-Commit-Position: refs/heads/master@{#25990}

Correctly parse line ends for debugging.

Instead of using only \n as line terminator, we now use the definition
in http://www.ecma-international.org/ecma-262/5.1/#sec-7.3

R=marja@chromium.org
BUG=v8:2825
LOG=Y

Review URL: https://codereview.chromium.org/821383009

Cr-Commit-Position: refs/heads/master@{#25989}

Fixed printing during DCE.

Removed a superfluous space on the way.

BUG=v8:3679
LOG=y

Review URL: https://codereview.chromium.org/843673004

Cr-Commit-Position: refs/heads/master@{#25988}

[turbofan] Correctify representation changes to bit.

TEST=cctest/test-representation-change,unittests,mjsunit/compiler/regress-bit-number-constant
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/840953003

Cr-Commit-Position: refs/heads/master@{#25987}

Run "gn format" on v8's BUILD.gn file.

There should be no functional change.

This is a reland of a portion of https://codereview.chromium.org/834113005/

Review URL: https://codereview.chromium.org/787873003

Cr-Commit-Position: refs/heads/master@{#25986}

Revert of Add d8 target to the GN build. (patchset #2 id:40001 of https://codereview.chromium.org/834113005/)

Reason for revert:
V8 roll fails due to this change. (see https://codereview.chromium.org/843673003/)

Original issue's description:
> Add d8 target to the GN build.
>
> Also formats the rest of the file with "gn format". This accounts for all the changes except for the "d8" target additions.
>
> Committed: https://crrev.com/36383f08c1f692ea797d54a27d7c6b3d3d53b440
> Cr-Commit-Position: refs/heads/master@{#25984}

TBR=jochen@chromium.org,machenbach@chromium.org,brettw@chromium.org
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/838983002

Cr-Commit-Position: refs/heads/master@{#25985}

Add d8 target to the GN build.

Also formats the rest of the file with "gn format". This accounts for all the changes except for the "d8" target additions.

Review URL: https://codereview.chromium.org/834113005

Cr-Commit-Position: refs/heads/master@{#25984}

Update V8 DEPS.

Rolling v8/build/gyp to 82b08049cc0b1f9e0bdcc0702ac6b523360f635f

Rolling v8/tools/clang to 24bed8c99d57ebfad05890c21f03f31af39dc6d4

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/844663003

Cr-Commit-Position: refs/heads/master@{#25983}

Hack around broken snapshot generation in the GN build on Android.

The generated snapshot just crashes on the device, but
disabling snapshots allows us to run V8 just fine which
is sufficient for our purposes at this point.

Mojo/Sky are GN-only so we depend on the V8 GN build even if
it's not considered production for Chromium yet.

R=jochen@chromium.org

Review URL: https://codereview.chromium.org/832413005

Cr-Commit-Position: refs/heads/master@{#25982}

remove declarative accessors

R=jochen@chromium.org

BUG=

Review URL: https://codereview.chromium.org/834443004

Cr-Commit-Position: refs/heads/master@{#25981}

Fix sourceURL & sourceMapURL handling in case of background parsing

BUG=

Review URL: https://codereview.chromium.org/821723002

Cr-Commit-Position: refs/heads/master@{#25980}

[turbofan] Fix bit representation of NumberConstant.

TEST=mjsunit/compiler/regress-bit-number-constant

Review URL: https://codereview.chromium.org/839813002

Cr-Commit-Position: refs/heads/master@{#25979}

Correct handling of exceptions occured during getting of exception stack trace.

BUG=chromium:444805
LOG=Y

Review URL: https://codereview.chromium.org/793333003

Cr-Commit-Position: refs/heads/master@{#25978}

[turbofan] Cleanup Graph and related classes.

- Move NodeMarker to its own file, and introduce a non
  templatized base class.
- Cleanup the include hell.
- Sanitize the Node construction methods now that we
  got rid of that GenericNode/GenericGraph stuff.
- Protect against NodeId overflow in Graph.
- Various minor cleanups.

TEST=cctest,mjsunit,unittests

Review URL: https://codereview.chromium.org/838783002

Cr-Commit-Position: refs/heads/master@{#25977}

make check failures unlikely

BUG=

Review URL: https://codereview.chromium.org/843513002

Cr-Commit-Position: refs/heads/master@{#25976}

Revert of Turn on job-based recompilation (patchset #2 id:20001 of https://codereview.chromium.org/832183004/)

Reason for revert:
revert

Original issue's description:
> Turn on job-based recompilation
>
> BUG=v8:3608
> LOG=y
> R=yangguo@chromium.org
>
> Committed: https://crrev.com/715552409b4a08504301cf1ad4cb2e45a815f01b
> Cr-Commit-Position: refs/heads/master@{#25972}

TBR=yangguo@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=v8:3608

Review URL: https://codereview.chromium.org/791033007

Cr-Commit-Position: refs/heads/master@{#25975}

Fix bug in Runtime_CompileOptimized resulting from stack overflow.

R=jarin@chromium.org
BUG=chromium:446389
LOG=Y

Review URL: https://codereview.chromium.org/844503002

Cr-Commit-Position: refs/heads/master@{#25974}

Remove the magic that sets CXX in the toplevel Makefile

The logic was supposed to trigger a rebuild if the CXX variable is
changed. However, it failed to track the other compiler related
variables, and, what is worse, conflicted with the clang=1 gyp setting
by forcing CXX to g++

The new logic just relies on tracking GYP defines, and checks whether
the CXX binary - if set - has a target different from the host
architecture.

BUG=none
R=jkummerow@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/807143003

Cr-Commit-Position: refs/heads/master@{#25973}

Turn on job-based recompilation

BUG=v8:3608
LOG=y
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/832183004

Cr-Commit-Position: refs/heads/master@{#25972}

Fix debug-debugger.js wrt strict mode.

R=rossberg@chromium.org
BUG=v8:3790
LOG=N

Review URL: https://codereview.chromium.org/813873007

Cr-Commit-Position: refs/heads/master@{#25971}

[turbofan] remove spill slot reuse flag

BUG=

Review URL: https://codereview.chromium.org/837173002

Cr-Commit-Position: refs/heads/master@{#25970}

[x86] Blacklist AVX for all Mac OS versions up to 10.9.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/808333005

Cr-Commit-Position: refs/heads/master@{#25969}

[turbofan] remove checks for virtual register overflow

R=bmeurer@chromium.org

BUG=

Review URL: https://codereview.chromium.org/810403003

Cr-Commit-Position: refs/heads/master@{#25968}

Restrict representation inference to avoid truncation of phi inputs.

BUG=chromium:446778
LOG=N

Review URL: https://codereview.chromium.org/837153002

Cr-Commit-Position: refs/heads/master@{#25967}

Enable serializing eagerly compiled inner functions.

R=jochen@chromium.org

Review URL: https://codereview.chromium.org/830143004

Cr-Commit-Position: refs/heads/master@{#25966}

[x86] Disable AVX on Mac OS X 10.9.

Mac OS X 10.9 (Mavericks) has a bug that causes AVX transitions in ISRs,
so we better not use AVX there.

Review URL: https://codereview.chromium.org/826683003

Cr-Commit-Position: refs/heads/master@{#25965}

Add script to generate the v8 version.

BUG=chromium:446166
LOG=n
TBR=jkummerow@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/835903003

Cr-Commit-Position: refs/heads/master@{#25964}

[turbofan] Generalize constant propagation.

Also support additional number types (singleton ranges, NaN and minus
zero) for constant propagation in typed lowering.

TEST=unittests

Review URL: https://codereview.chromium.org/829303002

Cr-Commit-Position: refs/heads/master@{#25963}

Print the SharedFunctionInfo besides the function name, makes matching against --trace_opt output easier.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/816013002

Cr-Commit-Position: refs/heads/master@{#25962}

just a typo

BUG=

Review URL: https://codereview.chromium.org/809303004

Cr-Commit-Position: refs/heads/master@{#25961}

Disable test case for turbofan unsupported platform.

  Test case LowerAnyToBoolean_tagged_tagged invokes "Linkage::GetStubCallDescriptor(...)"
  function but this function is not implemented on turbofan unsupported platform.

BUG=

Review URL: https://codereview.chromium.org/836973002

Cr-Commit-Position: refs/heads/master@{#25960}

Make control reducer revisit newly introduced merges.

TEST=mjsunit/compiler/regress-445876
BUG=chromium:445876
LOG=N

Review URL: https://codereview.chromium.org/830293003

Cr-Commit-Position: refs/heads/master@{#25959}

[turbofan] Correctify JSToBoolean lowering.

Introduce a new AnyToBoolean simplified operator to handle the later
lowering of boolean conversions. Previously we tried to hack that with
the generic JSToBoolean, having its context set to zero, but that lead
to various problems/bugs and did not handle all cases.

TEST=cctest,unittests
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/800833003

Cr-Commit-Position: refs/heads/master@{#25958}

[turbofan] Don't crash when typing load from a Uint8ClampedArray.

TEST=mjsunit/compiler/regress-446156
BUG=chromium:446156
LOG=y
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/835883003

Cr-Commit-Position: refs/heads/master@{#25957}

[turbofan] Fix incorrect minus zero handling in the unit tests.

TEST=unittests
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/831203003

Cr-Commit-Position: refs/heads/master@{#25956}

Whitespace commit to trigger bots.

Cr-Commit-Position: refs/heads/master@{#25955}

Whitespace commit to trigger bots.

Cr-Commit-Position: refs/heads/master@{#25954}

Do not reduce effect phis for loops.

This prevents eliminating effectful statements before the loop.

BUG=

Review URL: https://codereview.chromium.org/830923002

Cr-Commit-Position: refs/heads/master@{#25953}

[turbofan] Cache common Loop, Merge and Parameter operators.

R=jarin@chromium.org
BUG=v8:3792
LOG=n

Review URL: https://codereview.chromium.org/835663002

Cr-Commit-Position: refs/heads/master@{#25952}

[turbofan] Truncation of Bit/Word8/16 to Word32 is a no-op.

TEST=mjsunit/compiler/regress-445859
BUG=chromium:445859
LOG=y
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/828313002

Cr-Commit-Position: refs/heads/master@{#25951}

[x64] Rearrange code for OOB integer loads.

We cannot just clear the result register optimistically, because the
register allocator might assign the same register to result and buffer.

TEST=mjsunit/compiler/regress-445858
BUG=chromium:445858
LOG=y
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/828303002

Cr-Commit-Position: refs/heads/master@{#25950}

Fix %NeverOptimizeFunction() intrinsic.

Set a valid reason for disabling optimization when using
%NeverOptimizeFunction.

TEST=mjsunit/compiler/regress-445732
BUG=chromium:445732
LOG=y
TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/832003002

Cr-Commit-Position: refs/heads/master@{#25949}

[turbofan] Fix missing MachineOperator unittest.

The machine-operator-unittest.cc file was missing from unittests.gyp.
Fixed the compiler errors and added it back.

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/824243003

Cr-Commit-Position: refs/heads/master@{#25948}

Whitespace change to trigger bots.

Cr-Commit-Position: refs/heads/master@{#25947}

Work around 'Text file busy' errors in android perf runner.

BUG=374740
TBR=ulan@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/830753002

Cr-Commit-Position: refs/heads/master@{#25946}

[turbofan] Fix invalid bounds check with overflowing offset.

TEST=mjsunit/compiler/regress-445267
BUG=chromium:445267
LOG=y

Review URL: https://codereview.chromium.org/825403002

Cr-Commit-Position: refs/heads/master@{#25945}

Update V8 DEPS.

Rolling v8/tools/clang to c945be21f6485fa177b43814f910b76cce921653

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/829733002

Cr-Commit-Position: refs/heads/master@{#25944}

Update V8 DEPS.

Rolling v8/tools/clang to 51f59463cfea7fc19d085253cf9bd40c1b4c0038

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/830473002

Cr-Commit-Position: refs/heads/master@{#25943}

Update V8 DEPS.

Rolling v8/tools/clang to 6f504ec1a843c7c6af799768a774dec205ce4f3b

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/822073003

Cr-Commit-Position: refs/heads/master@{#25942}

[turbofan] Raise max virtual registers and call parameter limit.

Change InstructionOperand to use a 64-bit field for encoding the operand
information instead of the 32-bit field that was used before. Ideally we
wouldn't use the Zone-allocated bit field at all, and use an integer
instead of the pointer; but that requires fixing the register allocator
first, which will take some time.

TEST=mjsunit/compiler/regress-3786
BUG=v8:3786
LOG=y

Review URL: https://codereview.chromium.org/826673002

Cr-Commit-Position: refs/heads/master@{#25941}

Remove UNREACHABLE() statements from sys-info.cc

We have safe fallbacks in all cases, and it's possible to hit those
codepaths, e.g., on Linux when /proc is not mounted

BUG=v8:3544
R=ulan@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/818213002

Cr-Commit-Position: refs/heads/master@{#25940}

[turbofan] Turn IrOpcode::Mnemonic() into a table lookup.

R=ishell@chromium.org

Review URL: https://codereview.chromium.org/818203002

Cr-Commit-Position: refs/heads/master@{#25939}

Don't pass -pie when building a shared library build on android

BUG=none
R=ulan@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/822933002

Cr-Commit-Position: refs/heads/master@{#25938}

[turbofan] Cache float32 constants on the JSGraph level.

Also slightly refactor the NodeCache and CommonNodeCache classes to
reduce inherent overhead of caching.

TEST=cctest

Review URL: https://codereview.chromium.org/822923002

Cr-Commit-Position: refs/heads/master@{#25937}

Fast-forward version number on bleeding_edge to 3.32.0

BUG=none
LOG=n
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/820033002

Cr-Commit-Position: refs/heads/master@{#25936}

[turbofan] Deinlinify OperatorProperties implementation.

TEST=cctest,unittests
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/821913002

Cr-Commit-Position: refs/heads/master@{#25935}

Work-around for file pushing in android perf runner.

Also include the device serial when logging adb commands.

BUG=374740
TBR=ulan@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/815003003

Cr-Commit-Position: refs/heads/master@{#25934}

[turbofan] Turn DCHECK for fixed slot index into a CHECK.

This is a temporary workaround to ensure that we crash in release mode
instead of running into undefined behavior.

BUG=chromium:444681
LOG=y
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/800713006

Cr-Commit-Position: refs/heads/master@{#25933}

[turbofan] Fix missing ChangeUint32ToUint64 in lowering of LoadBuffer.

TEST=mjsunit/compiler/regress-444695
BUG=chromium:444695
LOG=y
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/824843002

Cr-Commit-Position: refs/heads/master@{#25932}

MIPS: Enable Math rounding operations call reduction optimization in TF.

TEST=
BUG=
R=paul.lind@imgtec.com

Review URL: https://codereview.chromium.org/791473003

Cr-Commit-Position: refs/heads/master@{#25931}

Reset old generation limit on main frame context disposal.

BUG=

Review URL: https://codereview.chromium.org/815933005

Cr-Commit-Position: refs/heads/master@{#25930}

Mark mjsunit/setters-on-elements as flaky

TBR=machenbach@chromium.org
LOG=n
BUG=v8:3784
NOTREECHECKS=true

Review URL: https://codereview.chromium.org/817293002

Cr-Commit-Position: refs/heads/master@{#25929}

Remove custom weak handling of monomorphic IC.

This is not needed anymore since all ICs use weak cells to embed maps.

BUG=v8:3629
LOG=N

Review URL: https://codereview.chromium.org/817223003

Cr-Commit-Position: refs/heads/master@{#25928}

[turbofan] Minor cleanup to reduce code duplication.

TEST=unittests
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/819103002

Cr-Commit-Position: refs/heads/master@{#25927}

Enable the embedder to specify what kind of context was disposed

This API is used by Blink to inform V8 about HTML frames being disposed.
Using the optional parameter, Blink can tell V8 whether the disposed
frame was a main frame. In that case, we might want to reset GC
parameters

BUG=none
R=hpayer@chromium.org
LOG=y

Review URL: https://codereview.chromium.org/823583003

Cr-Commit-Position: refs/heads/master@{#25926}

Implement missing functionality for job based recompilation

BUG=v8:3608
R=bmeurer@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/816363003

Cr-Commit-Position: refs/heads/master@{#25925}

[turbofan] Cleanup use of virtual, OVERRIDE, FINAL.

Following the Google/Chromium coding style wrt. virtual, OVERRIDE and
FINAL specifications.

TEST=unittests
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/816453005

Cr-Commit-Position: refs/heads/master@{#25924}

Use weak cell in monomorphic KeyedStore IC.

BUG=v8:3629
LOG=N

Review URL: https://codereview.chromium.org/817873003

Cr-Commit-Position: refs/heads/master@{#25923}

[turbofan] Introduce CommonOperatorReducer.

The CommonOperatorReducer currently takes care of redundant Phis,
EffectPhis and Selects. This functionality overlaps with ControlReducer,
but is required to make certain optimizations effective, since the
ControlReducer only runs really early and really late in the pipeline
and therefore other reducers aren't reapplied properly after redundant
phi/select elimination.

TEST=unittests
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/817243003

Cr-Commit-Position: refs/heads/master@{#25922}

Work-around to make webkit test suite work with optdebug==2.

The test driver doesn't know at the moment if optdebug 1 or 2 has been used (the first is used on the bots, the second
locally in quickcheck). It can't know therefore if slow
asserts can be enabled or not. Trying to enable them leads
to a warning if they weren't compiled, which causes webkit
1:1 text comparison to fail.

Review URL: https://codereview.chromium.org/819033002

Cr-Commit-Position: refs/heads/master@{#25921}

Do not use out of range visitor ids.

BUG=

Review URL: https://codereview.chromium.org/822693002

Cr-Commit-Position: refs/heads/master@{#25920}

[turbofan] Materialize the correct kind of constant for bit 1.

Bit 1 should be represented as Int32Constant 1 after simplified
lowering, but OneConstant returns NumberConstant 1.0.

R=jochen@chromium.org, hpayer@chromium.org

Review URL: https://codereview.chromium.org/820993002

Cr-Commit-Position: refs/heads/master@{#25919}

Revert "Retain maps for several garbage collections"

This reverts commit 2bc756e4b36160595c811c5433d0238ae5192525
because of performance regression in kraken.

BUG=chromium:444232
LOG=N
TBR=hpayer@chromium.org

Review URL: https://codereview.chromium.org/816353002

Cr-Commit-Position: refs/heads/master@{#25918}

Keep AllocationSpace and ObjectSpace enums in sync.

BUG=

Review URL: https://codereview.chromium.org/806693011

Cr-Commit-Position: refs/heads/master@{#25917}

[turbofan] Correctify lowering of Uint8ClampedArray buffer access.

TEST=mjsunit/compiler/regress-444508.js
BUG=chromium:444508
LOG=y
R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/794013004

Cr-Commit-Position: refs/heads/master@{#25916}

[turbofan] Improve typing of ToBoolean.

According to ES6 draft, revision 29 (2014-12-06), section 7.1.2,
ToBoolean yields true for true, detectable receivers (the ES6 Object
type), symbols and numbers except -0, +0 and NaN.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/807663006

Cr-Commit-Position: refs/heads/master@{#25915}

X87: fix one test case failure under debug mode.

  This issue is exposed by CL https://codereview.chromium.org/807273003.

  The DeoptimizeIf(...) function will generate more Assembler code and the
  distance between the link point and the bind point is larger then near
  link distance (127) for labels.

BUG=

Review URL: https://codereview.chromium.org/820963002

Cr-Commit-Position: refs/heads/master@{#25914}

Make perf test runner more robust.

Convert all results to floats and log errors on failing
conversions. Otherwise these results bubble up into
buildbot.

TBR=tandrii@chromium.org
BUG=chromium:374740
LOG=n
NOTRY=true

Review URL: https://codereview.chromium.org/811483008

Cr-Commit-Position: refs/heads/master@{#25913}

Revert of Remove obsolete V8_INFINITY macro. (patchset #3 id:40001 of https://codereview.chromium.org/798413003/)

Reason for revert:
Speculative revert. This seems to block the current roll: https://codereview.chromium.org/819653003/

I retried several times, also with a new roll. The error is internal - but that doesn't make much of a difference.

Original issue's description:
> Remove obsolete V8_INFINITY macro.
>
> Use std::numeric_limits consistently.
>
> R=svenpanne@chromium.org
>
> Committed: https://crrev.com/31c66e2d53569c4e229d55483d28208491e73612
> Cr-Commit-Position: refs/heads/master@{#25897}

TBR=svenpanne@chromium.org,bmeurer@chromium.org
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/813813003

Cr-Commit-Position: refs/heads/master@{#25912}

Revert of [mips] Fix typos introduced by previous commit. (patchset #1 id:1 of https://codereview.chromium.org/814203002/)

Reason for revert:
Needed in order to revert https://codereview.chromium.org/798413003

Original issue's description:
> [mips] Fix typos introduced by previous commit.
>
> R=svenpanne@chromium.org
>
> Committed: https://crrev.com/0c96a8b19730e79bc9cae08f3d86755c7b7c962e
> Cr-Commit-Position: refs/heads/master@{#25899}

TBR=svenpanne@chromium.org,bmeurer@chromium.org
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/822523002

Cr-Commit-Position: refs/heads/master@{#25911}

Support multiple interrupt requests in v8 API.

There might be a number of clients that would like to
setup an interrupt request on the Isolate.

The patch also deprecates ClearInterrupt API. As long as
the interrupt handler is called outside of locks there's no way
to guarantee that the handler will not be called after
ClearInterrupt was invoked as it might have already started execution.

Review URL: https://codereview.chromium.org/796623003

Cr-Commit-Position: refs/heads/master@{#25910}

Update V8 DEPS.

Rolling v8/buildtools to 23a4e2f545c7b6340d7e5a2b74801941b0a86535

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/812553008

Cr-Commit-Position: refs/heads/master@{#25909}

Use SetOwnElement when creating splice records in array length setter

This avoids touching the Array prototype, which may have been tampered with.

BUG=chromium:443982
LOG=n

Review URL: https://codereview.chromium.org/820503005

Cr-Commit-Position: refs/heads/master@{#25908}

Vector-based ICs also need to hold maps weakly.

Regular ICs in MONOMORPHIC and POLYMORPHIC state now hold onto maps with
WeakCells. Vector-based ICs should do the same.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/815953002

Cr-Commit-Position: refs/heads/master@{#25907}

MIPS64: Use weak cell in LoadGlobal handler.

Port bc0d2e237b1b624bed26ba849529b40329ea72a2

BUG=v8:3629
LOG=N
TBR=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/814193004

Cr-Commit-Position: refs/heads/master@{#25906}

Use weak cell to embed map in CompareNil IC.

BUG=v8:3629
LOG=N

Review URL: https://codereview.chromium.org/812353002

Cr-Commit-Position: refs/heads/master@{#25905}

[turbofan] false is also falsish.

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/814833006

Cr-Commit-Position: refs/heads/master@{#25904}