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palfia@homejinni.com cb03ff32fd MIPS: Change LookupForWrite to always do a full lookup and check the result. 
Port r14061 (df49702a)

Original commit message:
If we find a property in the prototype-chain that we can overwrite, and
we have a transition, keep the holder in the lookup-result as the actual
holder. We will need it for the consistency-check in GenerateStoreField.

By directly checking the entire chain we avoid having to lazily bail out
to a copy of the miss stub while generating the Field Store IC.

Currently this CL disallows a normal non-receiver holder, given that
that would require a positive lookup + details verification to ensure
the property did not become read-only. This fixes the regressions in the
attached tests.

BUG=

Review URL: https://codereview.chromium.org/12924011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14070 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2013-03-25 17:12:50 +00:00
benchmarks More fixes for V8 benchmark version 7. 2012-03-15 17:13:50 +00:00
build Disable zapping of global handles in release mode. 2013-03-21 14:18:16 +00:00
include ES6 symbols: turn symbols into a proper primitive type 2013-03-22 16:33:50 +00:00
preparser Fix a bunch of implicit casts detected by the Win64 compiler 2012-06-19 13:45:30 +00:00
samples Added a version of the v8::HandleScope constructor with an Isolate and use that consistently. 2013-03-15 12:06:53 +00:00
src MIPS: Change LookupForWrite to always do a full lookup and check the result. 2013-03-25 17:12:50 +00:00
test Fix store_mode bug involving polymorphism with external and JS arrays. 2013-03-25 15:19:22 +00:00
tools Explicitly pass the isolate to create handles in ic.cc 2013-03-20 13:12:33 +00:00
.gitignore git should ignore .d8_history (d8 readline history) 2012-11-13 21:43:38 +00:00
AUTHORS Maintain API compatibility with older versions of V8. 2013-03-21 14:42:17 +00:00
ChangeLog Prepare push to trunk. Now working on version 3.17.16. 2013-03-21 15:25:15 +00:00
DEPS Pull more recent gyp. 2012-09-26 09:12:45 +00:00
LICENSE Update LICENSE file 2012-01-03 16:38:42 +00:00
LICENSE.strongtalk Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.v8 Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.valgrind Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
Makefile MIPS: Add android build support for mips in gyp. 2013-02-25 16:39:03 +00:00
Makefile.android MIPS: Add android build support for mips in gyp. 2013-02-25 16:39:03 +00:00
OWNERS Added Hannes and Dmitry to OWNERS 2013-03-21 12:09:53 +00:00
PRESUBMIT.py Add PRESUBMIT script to V8 2012-10-08 13:49:57 +00:00
SConstruct Remove support for Live Object List and inspector module. 2013-01-16 15:44:26 +00:00