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akos.palfi@imgtec.com [Thu, 23 Oct 2014 12:05:46 +0000 (12:05 +0000)]

MIPS: Classes: implement 'new super'.

Port r24825 (b26f0181)

BUG=
R=dslomov@chromium.org, dusan.milosavljevic@imgtec.com

Review URL: https://codereview.chromium.org/676703002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24841 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

svenpanne@chromium.org [Thu, 23 Oct 2014 11:56:26 +0000 (11:56 +0000)]

Reland 'Simplify TurboFan's c1visualizer file handling.'

This is r24819 plus some tiny fixes to make the Mac toolchain happy.

TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/676673002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24840 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dslomov@chromium.org [Thu, 23 Oct 2014 11:55:19 +0000 (11:55 +0000)]

Revert "harmony-scoping: Allow 'const' iteration variables in strict mode."

This reverts commit r24834 for breaking debug tests.

TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/672193002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24839 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

bmeurer@chromium.org [Thu, 23 Oct 2014 11:42:30 +0000 (11:42 +0000)]

Remove deprecated lexer-shell.

R=marja@chromium.org

Review URL: https://codereview.chromium.org/658633003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24838 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

ishell@chromium.org [Thu, 23 Oct 2014 11:31:33 +0000 (11:31 +0000)]

More details printed for Map, DescriptorArray and TransitionArray.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/659363002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24837 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

yangguo@chromium.org [Thu, 23 Oct 2014 11:23:57 +0000 (11:23 +0000)]

De-virtualize snapshot sink.

R=vogelheim@chromium.org

Review URL: https://codereview.chromium.org/669133003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24836 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dcarney@chromium.org [Thu, 23 Oct 2014 11:19:44 +0000 (11:19 +0000)]

fix build after r24830

TBR=bmeurer@chromium.org

BUG=

Review URL: https://codereview.chromium.org/675733002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24835 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dslomov@chromium.org [Thu, 23 Oct 2014 11:18:50 +0000 (11:18 +0000)]

harmony-scoping: Allow 'const' iteration variables in strict mode.

R=rossberg@chromium.org
BUG=v8:2506
LOG=N

Review URL: https://codereview.chromium.org/671913002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24834 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

mstarzinger@chromium.org [Thu, 23 Oct 2014 10:33:49 +0000 (10:33 +0000)]

Make sure floating phi nodes are coupled to their control (2).

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/673513004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24833 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

bmeurer@chromium.org [Thu, 23 Oct 2014 10:22:06 +0000 (10:22 +0000)]

[turbofan] Improve code generation for inline comparisons with zero.

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

Review URL: https://codereview.chromium.org/669133004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24832 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

yangguo@chromium.org [Thu, 23 Oct 2014 09:32:18 +0000 (09:32 +0000)]

Fix memory leak in RootIndexMap.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/671153002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24831 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dcarney@chromium.org [Thu, 23 Oct 2014 09:14:35 +0000 (09:14 +0000)]

[turbofan] split compilation stats off from HStatistics and track high water marks

R=jarin@chromium.org

BUG=

Review URL: https://codereview.chromium.org/669053002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24830 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

yangguo@chromium.org [Thu, 23 Oct 2014 09:01:09 +0000 (09:01 +0000)]

Second compile fix to r24826.

TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/645163009

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24829 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

yangguo@chromium.org [Thu, 23 Oct 2014 08:56:54 +0000 (08:56 +0000)]

Fix compile errors in r24826.

TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/656793005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24828 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

yangguo@chromium.org [Thu, 23 Oct 2014 08:43:17 +0000 (08:43 +0000)]

Use hash map to look for objects in the root array when serializing.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/645533003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24826 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dslomov@chromium.org [Thu, 23 Oct 2014 08:32:23 +0000 (08:32 +0000)]

Classes: implement 'new super'.

R=ishell@chromium.org, arv@chromium.org
BUG=v8:3330
LOG=N

Committed: https://code.google.com/p/v8/source/detail?r=24822

Review URL: https://codereview.chromium.org/665773003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24825 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

yangguo@chromium.org [Thu, 23 Oct 2014 08:25:42 +0000 (08:25 +0000)]

Small fixes for the code serializer.
- assertions regarding max heap object size.
- ensure string table capacity upfront.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/671843003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24824 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dslomov@chromium.org [Thu, 23 Oct 2014 08:21:30 +0000 (08:21 +0000)]

Revert "Classes: implement 'new super'."

This reverts commit r24822 for breaking debug compilation.

TBR=ishell@chromium.org

Review URL: https://codereview.chromium.org/662253003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24823 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dslomov@chromium.org [Thu, 23 Oct 2014 08:11:51 +0000 (08:11 +0000)]

Classes: implement 'new super'.

R=ishell@chromium.org, arv@chromium.org
BUG=v8:3330
LOG=N

Review URL: https://codereview.chromium.org/665773003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24822 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

svenpanne@chromium.org [Thu, 23 Oct 2014 07:36:39 +0000 (07:36 +0000)]

Revert "Simplify TurboFan's c1visualizer file handling."

This reverts r24819, it broke the build on Mac due to header incompatibilities.

TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/672873002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24821 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

bmeurer@chromium.org [Thu, 23 Oct 2014 07:34:36 +0000 (07:34 +0000)]

[turbofan] Currently we cannot handle typed arrays bigger than 2GiB.

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/676643002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24820 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

svenpanne@chromium.org [Thu, 23 Oct 2014 07:26:13 +0000 (07:26 +0000)]

Simplify TurboFan's c1visualizer file handling.

Still having GetTurboCfgFileName in Isolate is ugly, but if we decide that we
don't want to truncate the output file (which would be consistent with
--trace-hydrogen), this could be moved to TurboCfgFile where it actually
belongs.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/666223003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24819 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dcarney@chromium.org [Thu, 23 Oct 2014 05:57:01 +0000 (05:57 +0000)]

Cleanup ConsStringIteratorOp.

R=yangguo@chromium.org

BUG=

Review URL: https://codereview.chromium.org/663313003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24818 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

bmeurer@chromium.org [Thu, 23 Oct 2014 04:18:17 +0000 (04:18 +0000)]

Skip webkit/array-iterate-backwards for TF.

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/672113002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24817 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

bmeurer@chromium.org [Thu, 23 Oct 2014 04:16:22 +0000 (04:16 +0000)]

Skip webkit/dfg-int-overflow-in-loop for TF.

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/652183005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24816 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

rodolph.perfetta@arm.com [Wed, 22 Oct 2014 18:24:20 +0000 (18:24 +0000)]

ARM64: Fix stack manipulation.

Builtins::Generate_StringConstructCode was claiming stack space instead of
giving it back.

BUG=chromium:425585
LOG=Y
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/672623003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24815 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

adamk@chromium.org [Wed, 22 Oct 2014 18:16:35 +0000 (18:16 +0000)]

Speed up creation of Objects whose prototype has dictionary elements

This speeds up both the case from the bug (using Object.create) but also
takes care ofthe "{ __proto__: obj }" syntax, which was previously (and
erroneously) being treated the same as setting the prototype dynamically
from script using the __proto__ setter or Object.setPrototypeOf.

BUG=chromium:422754
LOG=y
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/667253002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24814 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

adamk@chromium.org [Wed, 22 Oct 2014 17:21:53 +0000 (17:21 +0000)]

Fix {get,set}ter-on-elements tests to run through all creation functions

setter-on-elements had the wrong length hardcoded in a for loop over the
creation functions (getter-on-elements had the right length, but seemed
worth future-proofing).

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/643143005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24813 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

titzer@chromium.org [Wed, 22 Oct 2014 17:15:38 +0000 (17:15 +0000)]

Add Terminate operator.

Terminate is need for non-terminating loops (NTLs) that can appear after optimizing control flow. It gathers the control and effect(s) from a NTL and connects them to end so that they are not dead-code removed.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/651843004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24812 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

jochen@chromium.org [Wed, 22 Oct 2014 15:30:50 +0000 (15:30 +0000)]

Update intialization of vtune support.

In R23940 (https://code.google.com/p/v8/source/detail?r=23940) it introduces
Isolate::CreateParams and mentions that V8::SetJitCodeEventHandler should either
be passed to Isolate::New as well, or invoked via the Isolate.

When Chrome as embedder of V8, we will set the Jit Code event handler for Vtune
support during the initialization of renderer process and V8 has be initialized
at that time. It's better that we invoke V8::SetJitCodeEventHander via the Isolate.
So we change the vTune::InitializeVtuneForV8(v8::Isolate::CreateParams& params) to
vTune::InitializeVtuneForV8(v8::Isolate* isolate).

we will do corresponding changes in chromium code if this patch is landed and Chromium
updates V8 to the
new release branch.

some part of this patch is provided by denis.pravdin@intel.com.

BUG=
R=danno@chromium.org, jochen@chromium.org

Review URL: https://codereview.chromium.org/655183002

Patch from Chunyang Dai <chunyang.dai@intel.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24811 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dslomov@chromium.org [Wed, 22 Oct 2014 14:58:25 +0000 (14:58 +0000)]

Stage harmony-strings.

R=rossberg@chromium.org, yangguo@chromium.org

Review URL: https://codereview.chromium.org/666353002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24810 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

titzer@chromium.org [Wed, 22 Oct 2014 14:39:41 +0000 (14:39 +0000)]

Cleanups to Verifier.

This CL broadens the checks done by the verifier in untyped mode and introduces some subroutines to shorten the code a bit.

Introduce routines CheckUpperIs() CheckUpperMaybe() and CheckValueInputIs() that are called unconditionally by the verifier. If the typing mode is untyped, then don't check anything.

Also added a couple checks for Merge and Loop nodes that catch bugs where the operator and the node disagree on input counts (a bug encountered today).

R=mstarzinger@chromium.org, rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/669073002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24809 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dslomov@chromium.org [Wed, 22 Oct 2014 14:06:15 +0000 (14:06 +0000)]

Remove [[PROTOTYPE]] from ObjectToStringHarmony

harmony-tostring needs to emulate InstallFunctions --- InstallFunctions will fail
in Debug builds because the `toString` property already exists in Object.prototype.

The fix is to add some of the other features from InstallFunctions() to the
setup of ObjectToStringHarmony.

R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/667263004

Patch from Caitlin Potter <caitpotter88@gmail.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24808 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

wingo@igalia.com [Wed, 22 Oct 2014 13:13:19 +0000 (13:13 +0000)]

Array.prototype.{reduce, reduceRight}: Wrong order of operations when determining initial value.

BUG=v8:3534
LOG=
R=svenpanne@chromium.org, wingo@igalia.com

Review URL: https://codereview.chromium.org/614733002

Patch from Diego Pino <dpino@igalia.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24807 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

machenbach@chromium.org [Wed, 22 Oct 2014 13:04:08 +0000 (13:04 +0000)]

Move js perf tests to a common root on the perf dashboard.

BUG=
R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/667373004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24806 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

machenbach@chromium.org [Wed, 22 Oct 2014 12:54:35 +0000 (12:54 +0000)]

Add an --msan flag to run-tests.py.

Currently a no-op and added only for consistency with ASan/TSan.

BUG=chromium:425187
R=machenbach@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/667903004

Patch from Sergey Matveev <earthdok@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24805 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

machenbach@chromium.org [Wed, 22 Oct 2014 11:32:39 +0000 (11:32 +0000)]

Whitespace change to test new git workflow.

TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/638883006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24804 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

mstarzinger@chromium.org [Wed, 22 Oct 2014 11:31:12 +0000 (11:31 +0000)]

Switch ScheduleLateNodeVisitor to use explicit queue.

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/672583002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24803 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

bmeurer@chromium.org [Wed, 22 Oct 2014 11:24:55 +0000 (11:24 +0000)]

[turbofan] Add support for deferred code.

Branch can now have an optional hint, when the condition is
likely true or false, and if such a hint is present the other
basic block will be marked as deferred and placed at the end
of the function.

We currently use this feature for tagging int32/uint32 in
change lowering, and for load/store bounds checks in simplified
lowering.

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

Review URL: https://codereview.chromium.org/642883003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24802 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dslomov@chromium.org [Wed, 22 Oct 2014 11:08:42 +0000 (11:08 +0000)]

Perf tests for fromCodePoint and codePointAt.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/670463005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24801 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

sigurds@chromium.org [Wed, 22 Oct 2014 11:06:22 +0000 (11:06 +0000)]

Add FRINTP (round towards positive infinity) instruction.

Macro Assember, assembler and simulator for ARM64 were missing FRINTP.

R=rodolph.perfetta@arm.com, ulan@chromium.org

Review URL: https://codereview.chromium.org/669923002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24800 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

balazs.kilvady@imgtec.com [Wed, 22 Oct 2014 10:26:38 +0000 (10:26 +0000)]

MIPS64: Spread the knowledge!

Port r24793 (c0c2b0d)

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24799 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

bmeurer@chromium.org [Wed, 22 Oct 2014 09:37:42 +0000 (09:37 +0000)]

Disable libstdc++ debug mode on x64 for now.

TBR=mstarzinger@chromium.org

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24798 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

mstarzinger@chromium.org [Wed, 22 Oct 2014 09:14:48 +0000 (09:14 +0000)]

Remove testing artifacts from Schedule::AddFoo.

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/641553003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24797 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dslomov@chromium.org [Wed, 22 Oct 2014 08:19:05 +0000 (08:19 +0000)]

Flatten the string in StringToDouble function.

R=yangguo@chromium.org
BUG=chromium:425551
LOG=N

Review URL: https://codereview.chromium.org/654763003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24796 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

jochen@chromium.org [Wed, 22 Oct 2014 08:15:47 +0000 (08:15 +0000)]

Really disable test when running with optimize for size

R=bmeurer@chromium.org
TBR=bmeurer@chromium.org
LOG=n
BUG=none

Review URL: https://codereview.chromium.org/652903008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24795 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

bmeurer@chromium.org [Wed, 22 Oct 2014 08:12:17 +0000 (08:12 +0000)]

Enable libstdc++ debug mode in debug builds.

For now it's only enabled on Linux/Intel.

R=mstarzinger@chromium.org
BUG=v8:3638
LOG=y

Review URL: https://codereview.chromium.org/650013006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24794 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dslomov@chromium.org [Wed, 22 Oct 2014 08:06:43 +0000 (08:06 +0000)]

Spread the knowledge!

R=arv@chromium.org, mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/670623005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24793 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

jochen@chromium.org [Wed, 22 Oct 2014 07:36:12 +0000 (07:36 +0000)]

Fix newly added test to not run with optimize-for-size

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

Review URL: https://codereview.chromium.org/673593002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24792 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

jochen@chromium.org [Wed, 22 Oct 2014 06:58:38 +0000 (06:58 +0000)]

Add support for a target new space size

When this flag is set, we will commit additional pages up until the
target size before doing a scavenge.

I made sure that all tests pass when a target size of 16MB is set.

BUG=v8:3626
R=ulan@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/652543007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24790 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

bmeurer@chromium.org [Wed, 22 Oct 2014 06:42:17 +0000 (06:42 +0000)]

Use getauxval() if available.

This fixes the problem of not being able to detect ARM features on
ChromeOS because sandbox cannot access /proc/self/auxv and
/proc/cpuinfo there.

Drive-by-cleanup to libc detection in two other places.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/672543002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24789 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

machenbach@chromium.org [Tue, 21 Oct 2014 20:13:09 +0000 (20:13 +0000)]

Whitespace change to trigger revert of new test262-es6 tests.

TBR=rossberg@chromium.org

Review URL: https://codereview.chromium.org/665373003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24788 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

machenbach@chromium.org [Tue, 21 Oct 2014 18:46:12 +0000 (18:46 +0000)]

Whitespace change to trigger new test262-es6 tests.

TBR=rossberg@chromium.org

Review URL: https://codereview.chromium.org/672483002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24787 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

machenbach@chromium.org [Tue, 21 Oct 2014 18:38:03 +0000 (18:38 +0000)]

Whitespace change to trigger new test262-es6 tests.

TBR=rossberg@chromium.org

Review URL: https://codereview.chromium.org/646873005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24786 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

adamk@chromium.org [Tue, 21 Oct 2014 18:16:50 +0000 (18:16 +0000)]

Replace single quotes with double quotes to fix BUILD.gn

TBR=jochen@chromium.org

Review URL: https://codereview.chromium.org/665313003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24785 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

adamk@chromium.org [Tue, 21 Oct 2014 17:46:42 +0000 (17:46 +0000)]

Array.prototype.{slice,splice} should use [[DefineOwnProperty]] to generate return value

BUG=chromium:423633
LOG=N
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/649063003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24784 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dslomov@chromium.org [Tue, 21 Oct 2014 17:21:32 +0000 (17:21 +0000)]

Update ObjectToString to Harmony-draft algorithm

Updates Object.prototype.toString() to use algorithm described in harmony drafts.

Currently, the behaviour is essentially the same as ES262's version, however this changes when internal structures
such as Promise make use of symbolToStringTag (as they are supposed to, see v8:3241), and changes further once
Symbol.toStringTag is exposed publicly.

BUG=v8:3241, v8:3502
LOG=N
R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/546803003

Patch from Caitlin Potter <caitpotter88@gmail.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24783 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

mstarzinger@chromium.org [Tue, 21 Oct 2014 16:31:51 +0000 (16:31 +0000)]

Revert "Make sure floating phi nodes are coupled to their control."

TBR=jarin@chromium.org

Review URL: https://codereview.chromium.org/654583004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24782 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

mstarzinger@chromium.org [Tue, 21 Oct 2014 15:35:39 +0000 (15:35 +0000)]

Make sure floating phi nodes are coupled to their control.

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/669683002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24781 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

titzer@chromium.org [Tue, 21 Oct 2014 15:12:45 +0000 (15:12 +0000)]

Fix scheduler not to connect final merge block in the graph to its inputs.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/667953002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24780 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dcarney@chromium.org [Tue, 21 Oct 2014 14:44:50 +0000 (14:44 +0000)]

[turbofan] use ZonePool in most places in the compiler pipeline a temp zone is used.

R=jarin@chromium.org, bmeurer@chromium.org

BUG=

Review URL: https://codereview.chromium.org/663333003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24779 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

titzer@chromium.org [Tue, 21 Oct 2014 14:41:54 +0000 (14:41 +0000)]

Fix off-by-one bug in TurboFan register allocator.

R=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/671703003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24778 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

titzer@chromium.org [Tue, 21 Oct 2014 14:17:08 +0000 (14:17 +0000)]

Fix AstGraphBuilder for loops like for(;;).

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/640203004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24777 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

rossberg@chromium.org [Tue, 21 Oct 2014 13:37:49 +0000 (13:37 +0000)]

Fix incorrect private access

(I'm puzzled why GCC did not report this error.)

TBR=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/669733007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24776 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

mvstanton@chromium.org [Tue, 21 Oct 2014 13:04:51 +0000 (13:04 +0000)]

The issue is that by handling strings with map/handler pairs instead of a special
version of the keyed load stub (https://code.google.com/p/v8/source/detail?r=24661),
I allowed polymorphism between string and non-string types in the IC. Before, the
IC would go generic.

Then, at crankshaft time, we special case when we only saw strings. The error
here is that crankshaft can't emit code that handles polymorphism between string
and non-string types. The choice is either to get that to happen (I don't deem
this necessary from a performance point of view, an IC with such type feedback
before would have gone generic), or simply check for the case of "polymorphic
with some string maps" and require crankshaft to go generic. I'll do the latter.

BUG=425519
LOG=N
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/667923004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24775 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

rossberg@chromium.org [Tue, 21 Oct 2014 12:57:19 +0000 (12:57 +0000)]

Fix data race with interface caching

R=bmeurer@chromium.org
BUG=421634
LOG=N

Review URL: https://codereview.chromium.org/667703002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24774 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

jochen@chromium.org [Tue, 21 Oct 2014 12:56:52 +0000 (12:56 +0000)]

Use an idle notification of 0ms as hint that a GC after context disposal is triggerd

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

Review URL: https://codereview.chromium.org/671513006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24773 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dcarney@chromium.org [Tue, 21 Oct 2014 12:38:46 +0000 (12:38 +0000)]

[turbofan] add ZonePool to correctly track compiler phase memory usage

R=bmeurer@chromium.org

BUG=

Review URL: https://codereview.chromium.org/665893006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24771 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

bmeurer@chromium.org [Tue, 21 Oct 2014 12:24:01 +0000 (12:24 +0000)]

[turbofan] Reduce ~~x to x.

TEST=unittests
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/666723005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24770 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

wingo@igalia.com [Tue, 21 Oct 2014 12:16:37 +0000 (12:16 +0000)]

Assign bailout and type feedback IDs in a post-pass

This will allow us to move expressions from one function to another, for
example when the parser determines that a given cover grammar instance
is actually the default value initializer for an arrow function.

This is a re-land of https://codereview.chromium.org/636403003/ with a
fix for the arm64 code generator.

R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/663373003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24769 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dslomov@chromium.org [Tue, 21 Oct 2014 11:54:10 +0000 (11:54 +0000)]

Handle property name "-0" correctly for typed arrays.

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/670623003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24768 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

verwaest@chromium.org [Tue, 21 Oct 2014 11:21:54 +0000 (11:21 +0000)]

Remove unused IsDirty

BUG=
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/670703002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24767 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dusan.milosavljevic@imgtec.com [Tue, 21 Oct 2014 11:10:13 +0000 (11:10 +0000)]

Handle NaN value storing in Uint8Clamped typed arrays.

TEST=mjsunit/external-array
BUG=
R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/667113002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24766 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dslomov@chromium.org [Tue, 21 Oct 2014 11:05:32 +0000 (11:05 +0000)]

Perf tests for harmony string functions.

R=yangguo@chromium.org

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24765 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

bmeurer@chromium.org [Tue, 21 Oct 2014 10:59:55 +0000 (10:59 +0000)]

[x86] Select better left operand for comparisons.

R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/667933002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24764 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

yangguo@chromium.org [Tue, 21 Oct 2014 10:59:41 +0000 (10:59 +0000)]

Fix leak in d8.

R=bmeurer@chromium.org
TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/652403003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24763 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

svenpanne@chromium.org [Tue, 21 Oct 2014 10:55:12 +0000 (10:55 +0000)]

Revert "Assign bailout and type feedback IDs in a post-pass"

This reverts r24757, which breaks the ARM64 simulator build.
Simple repro:

out/arm64.debug/d8 -e 'eval("(function(){ const x; var x; })")'

TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/652543006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24762 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

verwaest@chromium.org [Tue, 21 Oct 2014 10:51:02 +0000 (10:51 +0000)]

Remove unused GetConstructor

BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/663033004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24761 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

yurys@chromium.org [Tue, 21 Oct 2014 10:40:14 +0000 (10:40 +0000)]

Fix use-of-uninitialized-value introduced in r24700

LOG=N
BUG=chromium:425146
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/665243002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24760 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

ulan@chromium.org [Tue, 21 Oct 2014 10:33:57 +0000 (10:33 +0000)]

Fix Win64 after r24758.

BUG=
TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/663343002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24759 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

ulan@chromium.org [Tue, 21 Oct 2014 09:42:16 +0000 (09:42 +0000)]

Use smi zero instead of undefine_value to zap dead weak cells.

It is faster to test for smi zero from generated code.

BUG=
R=erikcorry@chromium.org

Review URL: https://codereview.chromium.org/637253004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24758 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

svenpanne@chromium.org [Tue, 21 Oct 2014 08:52:32 +0000 (08:52 +0000)]

Assign bailout and type feedback IDs in a post-pass

This will allow us to move expressions from one function to another, for
example when the parser determines that a given cover grammar instance
is actually the default value initializer for an arrow function.

R=svenpanne@chromium.org, marja@chromium.org
BUG=

Review URL: https://codereview.chromium.org/636403003

Patch from Andy Wingo <wingo@igalia.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24757 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

weiliang.lin@intel.com [Tue, 21 Oct 2014 08:28:00 +0000 (08:28 +0000)]

X87: vector-based ICs did not update type feedback counts correctly.

port r24732.

original commit message:

vector-based ICs did not update type feedback counts correctly.

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/669823002

Patch from Chunyang Dai <chunyang.dai@intel.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24756 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

svenpanne@chromium.org [Tue, 21 Oct 2014 08:25:14 +0000 (08:25 +0000)]

Remove v8stdint.h, it doesn't serve a purpose anymore.

Basically a follow-up to https://codereview.chromium.org/667573005/.

LOG=y
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/670673002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24755 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dcarney@chromium.org [Tue, 21 Oct 2014 07:12:18 +0000 (07:12 +0000)]

fix ia32 after r24753

TBR=bmeurer@chromium.org

BUG=

Review URL: https://codereview.chromium.org/668883002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24754 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dcarney@chromium.org [Tue, 21 Oct 2014 06:59:50 +0000 (06:59 +0000)]

[turbofan] cleanup InstructionSequence

R=bmeurer@chromium.org

BUG=

Review URL: https://codereview.chromium.org/664123002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24753 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

yangguo@chromium.org [Tue, 21 Oct 2014 06:40:15 +0000 (06:40 +0000)]

d8: create compile cache in a separate isolate.

R=vogelheim@chromium.org

Review URL: https://codereview.chromium.org/670433003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24752 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

bmeurer@chromium.org [Tue, 21 Oct 2014 04:55:49 +0000 (04:55 +0000)]

Visual Studio provides stdint.h these days.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/667573005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24751 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

balazs.kilvady@imgtec.com [Mon, 20 Oct 2014 17:59:59 +0000 (17:59 +0000)]

MIPS64: vector-based ICs did not update type feedback counts correctly.

Port r24732 (83e975b)

BUG=v8:3605
LOG=N
R=paul.lind@imgtec.com

Review URL: https://codereview.chromium.org/670543002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24746 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

mvstanton@chromium.org [Mon, 20 Oct 2014 17:32:06 +0000 (17:32 +0000)]

Fix gc mole test failure.

TBR=ulan@chromium.org

Review URL: https://codereview.chromium.org/651683003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24745 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

yangguo@chromium.org [Mon, 20 Oct 2014 15:07:27 +0000 (15:07 +0000)]

Remove deprecated Ascii-related identifiers from include/v8.h

R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/665883002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24744 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

dslomov@chromium.org [Mon, 20 Oct 2014 13:33:34 +0000 (13:33 +0000)]

Simplify language feature management.

R=rossberg@chromium.org
BUG=v8:3640
LOG=N

Review URL: https://codereview.chromium.org/642233003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24743 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

bmeurer@chromium.org [Mon, 20 Oct 2014 12:37:48 +0000 (12:37 +0000)]

Drop obsolete misc-intrinsics.h file.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/648643003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24742 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

verwaest@chromium.org [Mon, 20 Oct 2014 12:32:23 +0000 (12:32 +0000)]

Remove dead GeneralizeFieldRepresentation

BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/668663002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24741 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

rossberg@chromium.org [Mon, 20 Oct 2014 12:17:12 +0000 (12:17 +0000)]

Upgrade test262-es6

R=dslomov@chromium.org
BUG=

Review URL: https://codereview.chromium.org/639373005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24740 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

yangguo@chromium.org [Mon, 20 Oct 2014 12:14:26 +0000 (12:14 +0000)]

Remove fuzz-natives tests.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/663043003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24739 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

ulan@chromium.org [Mon, 20 Oct 2014 12:12:51 +0000 (12:12 +0000)]

Annotate PromotionQueue::RelocateQueueHead for MemorySanitizer.

BUG=chromium:416875
LOG=N
R=earthdok@chromium.org, jkummerow@chromium.org

Review URL: https://codereview.chromium.org/603633002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24738 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

jochen@chromium.org [Mon, 20 Oct 2014 12:12:09 +0000 (12:12 +0000)]

Read object pointer atomically while updating slots

BUG=425003
R=ulan@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/663023002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24737 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

yangguo@chromium.org [Mon, 20 Oct 2014 12:07:45 +0000 (12:07 +0000)]

Move some Runtime:: functions and remove runtime.h as include when unnecessary.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/662413002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24736 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

commit | commitdiff | tree

bmeurer@chromium.org [Mon, 20 Oct 2014 12:04:22 +0000 (12:04 +0000)]

Remove (untested) code for unsupported compilers.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/656143004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24735 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Domain: Web Framework / Web Engine;