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Author SHA1 Message Date
yangguo@chromium.org
be48c5ae26 Rename "parallel recompilation" to "concurrent recompilation". 
Also introduced macros for flag aliases for temporary backwards compatibility.

R=hpayer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23014007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16280 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 16:14:37 +00:00
mstarzinger@chromium.org
a8e5b658fc Make HConstant::InstanceOf less ambiguous. 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23203002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16279 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 14:22:55 +00:00
mstarzinger@chromium.org
0ecd03ab4c Fix hidden properties on object with frozen prototype. 
This fixes a corner-case where a frozen prototype with existing hidden
properties might prevent setting hidden properties on another object.

R=rossberg@chromium.org
BUG=v8:2829

Review URL: https://codereview.chromium.org/22799021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16276 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 13:51:32 +00:00
verwaest@chromium.org
22942716db Remove special case code for generalizing constants to fields. 
R=bmeurer@chromium.org

Review URL: https://chromiumcodereview.appspot.com/22911018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16275 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 13:43:06 +00:00
titzer@chromium.org
e886eff3bf Remove dead methods related to InformativeDefinitions. 
BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/22914029

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16274 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 13:21:53 +00:00
titzer@chromium.org
6f3169e571 Fix deoptimization bug, where recursive call can frighten and confuse the unwitting, simple, poor caveman that is Runtime_NotifyDeoptimized. 
BUG=274164
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23201016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16273 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 13:03:40 +00:00
verwaest@chromium.org
6d137c3f50 Prepare push to trunk. Now working on version 3.21.3. 
R=yangguo@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/22801011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16270 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 12:26:30 +00:00
verwaest@chromium.org
eb6cbe1486 Never clear debug-stub call ICs. Make a clear distinction between is_debug_stub 
used everywhere but the debugger, and IsDebugBreak, used by the debugger.

R=yangguo@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23361014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16269 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 12:16:00 +00:00
bmeurer@chromium.org
ee718489fe Drop unused rdtsc instruction. 
We do not use rdtsc anywhere and we won't ever use that in the
future, as it is totally unusable with multicore and out of
order execution.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/23112016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16268 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 11:58:20 +00:00
bmeurer@chromium.org
a36bda5cf7 Revert "Add (mostly Chromium-compatible) V8_OS_* defines to v8.gyp." 
This reverts commit r16238 for not being able to use the defines
outside of libv8 (i.e. in tests). Will reland the #define's in a
build config header style.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/22861022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16267 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 09:09:39 +00:00
svenpanne@chromium.org
40f81949d3 Cleaned up nil comparisons in Hydrogen. 
This consists basically of 2 parts:

   * Restructured BuildCompareNil to make the logic behind it clearer.
     Note that it is intentionally written in a quite stylized way.

   * Replaced a usesless IfBuilder by a plain HInstruction, removing
     some empty blocks.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/22305004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16266 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-22 06:44:34 +00:00
mstarzinger@chromium.org
3e8effb0bd Fix migration checks and extend them to the Scavenger. 
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/23060018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16265 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-21 18:31:13 +00:00
jkummerow@chromium.org
e814a9b96b Fix "Hole" leak in TryBuildConsolidatedElementLoad 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23361007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16262 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-21 15:31:03 +00:00
yangguo@chromium.org
0cc3a7fde9 Allow both "--no<flag>" and "--no-<flag>" to disable <flag>. 
We shouldn't need to know whether to use --no or --no- as prefix.
The latter is more intuitive and also what chromium uses.

R=machenbach@chromium.org
BUG=

Review URL: https://codereview.chromium.org/22851009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16261 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-21 15:17:23 +00:00
verwaest@chromium.org
6337281204 Pass checked values to HLoadNamedField, removing the need for extra type-check field. 
R=titzer@chromium.org

Review URL: https://chromiumcodereview.appspot.com/22831003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16260 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-21 14:49:56 +00:00
mstarzinger@chromium.org
34417e1d0f Cleanup FooSpace::VerifyObject and ElementsAccessor::Validate. 
R=danno@chromium.org

Review URL: https://codereview.chromium.org/23273004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16259 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-21 13:39:20 +00:00
verwaest@chromium.org
df48b2f831 Prepare push to trunk. Now working on version 3.21.2. 
R=hpayer@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/23242009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16256 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-21 11:16:05 +00:00
mstarzinger@chromium.org
798809ce73 Adding missing operator!= for Handle and Persistent. 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/22932004

Patch from Marja Hölttä <marja@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16255 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-21 10:49:29 +00:00
bmeurer@chromium.org
125d3390a3 Improve detection of C++11 features. 
Also improve detection of V8_INFINITY while we're at it.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23323003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16254 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-21 10:43:50 +00:00
yangguo@chromium.org
09668ec3f6 Use CheckUsesForFlag to check flag in uses list 
BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/22862009

Patch from Weiliang Lin <weiliang.lin2@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16253 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-21 08:28:59 +00:00
plind44@gmail.com
4c113989a1 MIPS: Fix bug that prevents JALR to JAL optimizations. 
TEST=

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/23072023

Patch from Dusan Milosavljevic <Dusan.Milosavljevic@rt-rk.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16252 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 22:10:20 +00:00
palfia@homejinni.com
5d718d96b9 MIPS: Remove platform-specific dead code for KeyedStores 
Port r16227 (02df4098)

BUG=

Review URL: https://codereview.chromium.org/22815014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16251 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 18:07:22 +00:00
jkummerow@chromium.org
dea98eee53 Fix a bug in Div when all uses are truncating 
Refine the related test cases to cover truncating cases

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/22964004

Patch from Weiliang Lin <weiliang.lin2@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16249 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 13:57:01 +00:00
dslomov@chromium.org
02fdc4114f Promote ArrayBuffer, DataView and typed arrays to non-experimental. 
The primary reason for this change is to bake these guys into the
snapshot.

Flag definitions (--harmony-typed-arrays, --harmony-array-buffer) are
still there so that Blink does not complain, but they are noop and
default to true.

R=mstarzinger@chromium.org
BUG=270527

Committed: https://code.google.com/p/v8/source/detail?r=16137

Committed: https://code.google.com/p/v8/source/detail?r=16228

Review URL: https://codereview.chromium.org/22390008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16248 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 13:55:52 +00:00
yangguo@chromium.org
9b8c71ea6d Add warning to cctest when running multiple tests in sequence. 
R=mstarzinger@chromium.org
BUG=v8:2848

Review URL: https://codereview.chromium.org/23067008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16247 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 13:20:40 +00:00
olivf@chromium.org
383a167279 Add X87 implementations for Integer32ToDouble, DoubleToI, DoubleToSmi 
Additionally refactor the X87Stack tracking

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/20781007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16246 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 13:01:54 +00:00
dslomov@chromium.org
1bff3fd516 Replace OS::MemCopy with memcpy in typed array initialization. 
This is an attempt to fix a weird perf regression on MacOS X 10.6 bot.
Perf regression is not reproducible on MacOS X 10.8.
This difference in memory-copying routines is the only reasonable
difference in the algorithm. We should try and see.

R=bmeurer@chromium.org
BUG=270642

Review URL: https://codereview.chromium.org/23330005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16245 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 11:14:56 +00:00
bmeurer@chromium.org
c2c6b2813d Reland "Use V8_FINAL and V8_OVERRIDE in various places, fixing bugs revealed by them.". 
- Use V8_FINAL and V8_OVERRIDE in Ast classes.
- Use V8_FINAL and V8_OVERRIDE in Lithium mips backend.
- Use V8_FINAL and V8_OVERRIDE in Lithium arm backend.
- Use V8_FINAL and V8_OVERRIDE in Lithium x64 backend.
- Use V8_FINAL and V8_OVERRIDE in Lithium ia32 backend.
- Use V8_FINAL and V8_OVERRIDE in Lithium classes.
- Use V8_FINAL and V8_OVERRIDE in Hydrogen classes.

TBR=dslomov@chromium.org

Review URL: https://codereview.chromium.org/22796020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16244 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 11:10:24 +00:00
bmeurer@chromium.org
60e7d4b1e3 Revert "Use V8_FINAL and V8_OVERRIDE in various places, fixing bugs revealed by them." 
This reverts commit r16232 for breaking the
tools/gen-postmortem-metadata.py script. Will reland without the
objects.{cc,h} changes.

TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23143007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16243 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 10:52:23 +00:00
yangguo@chromium.org
479935bc62 Remove access-check-failed callback after test. 
BUG=v8:2848
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/22802013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16242 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 10:46:02 +00:00
bmeurer@chromium.org
1a560b1a5e Visual Studio 2012 and later support the C++11 final keyword. 
TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23128007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16241 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 09:37:21 +00:00
mstarzinger@chromium.org
8a1abf6279 Consistently use CompilationInfo::AbortOptimization. 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/22832002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16240 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 08:53:34 +00:00
jochen@chromium.org
943d5cc27a Move i18n break iterator C++ code to runtime 
BUG=v8:2745
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/22764007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16239 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 08:46:36 +00:00
bmeurer@chromium.org
f86f275f65 Add (mostly Chromium-compatible) V8_OS_* defines to v8.gyp. 
R=jkummerow@chromium.org, svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23283010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16238 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 08:29:21 +00:00
jochen@chromium.org
bd30d3aa54 Fix null handle deref in InternalDateFormat 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/22927014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16237 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 08:17:43 +00:00
bmeurer@chromium.org
c3778ade30 Fix non-Xcode build on Mac with clang. 
TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/22793008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16236 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 08:14:19 +00:00
jkummerow@chromium.org
31691477b7 Avoid -O3 in nacl as it does not play well with -W. 
Also cleans up some uninitialized data I saw while investigating
the problem.

R=jkummerow@chromium.org, machenbach@chromium.org

Review URL: https://codereview.chromium.org/23119004

Patch from Ken Mixter <kmixter@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16235 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 08:12:19 +00:00
jochen@chromium.org
800f9f7d35 Don't use Persistent in runtime 
R=dcarney@chromium.org, mstarzinger@chromium.org
BUG=none

Review URL: https://codereview.chromium.org/22432009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16234 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 08:07:52 +00:00
jochen@chromium.org
76a820a91e During bootstrapping, the script's name is not necessarily set. 
So check whether the name is actually set before printing it when
throwing an exception.

BUG=none
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23283011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16233 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 08:06:48 +00:00
bmeurer@chromium.org
9929a9cd12 Use V8_FINAL and V8_OVERRIDE in various places, fixing bugs revealed by them. 
- Use V8_FINAL and V8_OVERRIDE in objects.
- Use V8_FINAL and V8_OVERRIDE in Ast classes.
- Use V8_FINAL and V8_OVERRIDE in Lithium mips backend.
- Use V8_FINAL and V8_OVERRIDE in Lithium arm backend.
- Use V8_FINAL and V8_OVERRIDE in Lithium x64 backend.
- Use V8_FINAL and V8_OVERRIDE in Lithium ia32 backend.
- Use V8_FINAL and V8_OVERRIDE in Lithium classes.
- Use V8_FINAL and V8_OVERRIDE in Hydrogen classes.

R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/23064017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16232 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 07:27:06 +00:00
bmeurer@chromium.org
cb4eb5b3e1 Add V8_FINAL and V8_OVERRIDE macros for C++11 final/override. 
TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/22914019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16231 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 06:51:58 +00:00
bmeurer@chromium.org
c44ccc2d79 Revert "Add FINAL and OVERRIDE macros for C++11 final/override." 
This reverts commit r16222 for not using V8_ prefix.

TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23301006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16230 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 06:39:04 +00:00
dslomov@chromium.org
80ec7fab15 Revert "Promote ArrayBuffer, DataView and typed arrays to non-experimental." 
This reverts commit r16137 for breaking Windows build.
TBR=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/22985011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16229 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 01:37:09 +00:00
dslomov@chromium.org
62505a3901 Promote ArrayBuffer, DataView and typed arrays to non-experimental. 
The primary reason for this change is to bake these guys into the
snapshot.

Flag definitions (--harmony-typed-arrays, --harmony-array-buffer) are
still there so that Blink does not complain, but they are noop and
default to true.

R=mstarzinger@chromium.org
BUG=270527

Committed: https://code.google.com/p/v8/source/detail?r=16137

Review URL: https://codereview.chromium.org/22390008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16228 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-20 00:48:25 +00:00
danno@chromium.org
ca9a3c71a1 Remove platform-specific dead code for KeyedStores 
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/22745003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16227 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-19 22:12:46 +00:00
mstarzinger@chromium.org
bbf9018c0f Fix invalid out-of-bounds store in MacroAssembler::Allocate. 
This fixes an out-of-bounds store in inlined allocations when double
alignment and pretenuring into old-data-space have been requested.

R=hpayer@chromium.org, jkummerow@chromium.org, plind44@gmail.com
BUG=chromium:263515

Review URL: https://codereview.chromium.org/23242006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16224 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-19 17:46:43 +00:00
palfia@homejinni.com
8bb2b9307f MIPS: Remove wrong restriction in GenerateDeoptJumpTable. 
* This Abort condition does not apply to MIPS, since the
  assembler can also emit long Branches automatically, when
  it is needed.

TEST=mjsunit/math-floor-of-div,benchmarks/octane/gbemu,benchmarks/octane/mandreel

BUG=

Review URL: https://codereview.chromium.org/23020018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16223 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-19 16:02:50 +00:00
bmeurer@chromium.org
254482e4a3 Add FINAL and OVERRIDE macros for C++11 final/override. 
We also use new the constant naming scheme for Yield::Kind values to avoid
clash with the FINAL macro.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23098004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16222 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-19 14:46:35 +00:00
bmeurer@chromium.org
a04490517a ARM: Fix register misuse bug in Allocate(). 
The bug is triggered if flags contains DOUBLE_ALIGNMENT and the
object_size is not an ARM immediate value. In this case, the code
for DOUBLE_ALIGNMENT uses the scratch2 register, which is aliased
to obj_size_reg containing the object_size.

Instead of pre-loading the object_size, which is difficult since
we are out of registers here, we simply generate a non-empty
sequence of add instructions for the addition of the constant
object_size (carefully handling possible overflow in each step).

Also turn static ASSERT into STATIC_ASSERT in Allocate().

BUG=v8:2851
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23323002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16221 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-19 13:37:57 +00:00
mstarzinger@chromium.org
665a6d8a94 Prevent empty handle dereference in Runtime_InternalNumberFormat. 
R=jochen@chromium.org
BUG=chromium:275467

Review URL: https://codereview.chromium.org/22859025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16220 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-19 13:03:58 +00:00