Update V8 to version 5.1.115.

Update V8 to version 5.1.115.

Summary of changes available at:
https://chromium.googlesource.com/v8/v8/+log/a09b4096..235b98f3

Please follow these instructions for assigning/CC'ing issues:
https://github.com/v8/v8/wiki/Triaging%20issues

Please close rolling in case of a roll revert:
https://v8-roll.appspot.com/
This only works with a Google account.

TBR=hablich@chromium.org,machenbach@chromium.org,yangguo@chromium.org,vogelheim@chromium.org

Committed: https://crrev.com/15e94e2a8ea96963f9638f1abec11d4eb55869c8
Cr-Commit-Position: refs/heads/master@{#380727}

[v8-autoroll, 2016-03-11 17:32:21]

The CQ bit was checked by v8-autoroll@chromium.org

[commit-bot: I haz the power, 2016-03-11 17:33:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1783283004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1783283004/1

[commit-bot: I haz the power, 2016-03-11 19:28:43]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-03-11 19:28:44]

Try jobs failed on following builders:
  linux_chromium_asan_rel_ng on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[v8-autoroll, 2016-03-11 19:30:24]

The CQ bit was checked by v8-autoroll@chromium.org

[commit-bot: I haz the power, 2016-03-11 19:31:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1783283004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1783283004/1

[commit-bot: I haz the power, 2016-03-11 21:06:26]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-11 21:07:29]

Description was changed from

==========
Update V8 to version 5.1.115.

Summary of changes available at:
https://chromium.googlesource.com/v8/v8/+log/a09b4096..235b98f3

Please follow these instructions for assigning/CC'ing issues:
https://github.com/v8/v8/wiki/Triaging%20issues

Please close rolling in case of a roll revert:
https://v8-roll.appspot.com/
This only works with a Google account.

TBR=hablich@chromium.org,machenbach@chromium.org,yangguo@chromium.org,vogelhe...
==========

to

==========
Update V8 to version 5.1.115.

Summary of changes available at:
https://chromium.googlesource.com/v8/v8/+log/a09b4096..235b98f3

Please follow these instructions for assigning/CC'ing issues:
https://github.com/v8/v8/wiki/Triaging%20issues

Please close rolling in case of a roll revert:
https://v8-roll.appspot.com/
This only works with a Google account.

TBR=hablich@chromium.org,machenbach@chromium.org,yangguo@chromium.org,vogelhe...

Committed: https://crrev.com/15e94e2a8ea96963f9638f1abec11d4eb55869c8
Cr-Commit-Position: refs/heads/master@{#380727}
==========

[commit-bot: I haz the power, 2016-03-11 21:07:30]

Patchset 1 (id:??) landed as
https://crrev.com/15e94e2a8ea96963f9638f1abec11d4eb55869c8
Cr-Commit-Position: refs/heads/master@{#380727}

[alexmos, 2016-03-11 22:02:34]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1788763004/ by alexmos@chromium.org.

The reason for reverting is: Broke compile on WebKit Linux MSAN:
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20MSAN/b...

The culprit v8 CL is https://codereview.chromium.org/1783313003.

Output from failed bot: 
... ../../v8/src/heap/heap.cc -o obj/v8/src/heap/v8_base.heap.o
../../v8/src/heap/heap.cc:1588:54: error: use of undeclared identifier 'size';
did you mean 'ConstantPoolEntry::size'?
    MSAN_MEMORY_IS_INITIALIZED(&entry->size_, sizeof(size));
                                                     ^~~~
                                                     ConstantPoolEntry::size
../../v8/src/msan.h:27:64: note: expanded from macro
'MSAN_MEMORY_IS_INITIALIZED'
#define MSAN_MEMORY_IS_INITIALIZED(p, s) __msan_unpoison((p), (s))
                                                               ^
../../v8/src/assembler.h:1222:14: note: 'ConstantPoolEntry::size' declared here
  static int size(Type type) {
             ^
../../v8/src/heap/heap.cc:1588:53: error: invalid application of 'sizeof' to a
function type
    MSAN_MEMORY_IS_INITIALIZED(&entry->size_, sizeof(size));
                                                    ^~~~~~
../../v8/src/msan.h:27:64: note: expanded from macro
'MSAN_MEMORY_IS_INITIALIZED'
#define MSAN_MEMORY_IS_INITIALIZED(p, s) __msan_unpoison((p), (s))
                                                               ^
../../v8/src/heap/heap.cc:1589:53: error: use of undeclared identifier 'obj'
    MSAN_MEMORY_IS_INITIALIZED(&entry->obj_, sizeof(obj));
.