Canonicalize handles for optimized compilation.

Canonicalize handles for optimized compilation.

R=bmeurer@chromium.org

Committed: https://crrev.com/15f36b2b1e166a511966a9991fddea94f890a755
Cr-Commit-Position: refs/heads/master@{#31566}

Committed: https://crrev.com/67dc6ce5fde32c1895974903ea566dc0dadd39f7
Cr-Commit-Position: refs/heads/master@{#31576}

[Benedikt Meurer, 2015-10-26 12:37:39]

Awesome. Thanks for doing this.
LGTM from my side, not sure if someone else should also have a look.

[Yang, 2015-10-26 12:57:13]

The CQ bit was checked by yangguo@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-10-26 12:57:18]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1423833003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1423833003/1

[Yang, 2015-10-26 13:00:55]

yangguo@chromium.org changed reviewers:
+ jochen@chromium.org

[Yang, 2015-10-26 13:00:55]

Jochen, please take a look at include/v8.h. The change reflects the change in
handles-inl.h regarding SealHandleScope.

[jochen (gone - plz use gerrit), 2015-10-26 13:01:33]

lgtm

[commit-bot: I haz the power, 2015-10-26 13:21:10]

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

[commit-bot: I haz the power, 2015-10-26 13:21:11]

Dry run: This issue passed the CQ dry run.

[Yang, 2015-10-26 13:48:06]

The CQ bit was checked by yangguo@chromium.org

[commit-bot: I haz the power, 2015-10-26 13:48:15]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1423833003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1423833003/1

[commit-bot: I haz the power, 2015-10-26 13:49:55]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-26 13:50:26]

Patchset 1 (id:??) landed as
https://crrev.com/15f36b2b1e166a511966a9991fddea94f890a755
Cr-Commit-Position: refs/heads/master@{#31566}

[Yang, 2015-10-26 14:44:42]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1417013007/ by yangguo@chromium.org.

The reason for reverting is: GC stress failure on ia32 optdebug:

/tmp/runfswAKT/out/Debug/d8 --test --random-seed=-1536184370 --turbo
--always-opt --nohard-abort --nodead-code-elimination --nofold-constants
--enable-slow-asserts --debug-code --verify-heap --stack-size=46
/tmp/runfswAKT/test/mjsunit/mjsunit.js
/tmp/runfswAKT/test/mjsunit/regress/regress-1132.js --gc-interval=500
--stress-compaction --concurrent-recompilation-queue-length=64
--concurrent-recompilation-delay=500 --concurrent-recompilation

Run #1
Exit code: -6
Result: FAIL
Expected outcomes: PASS
Duration: 00:06:279

Stderr:


#
# Fatal error in ../../src/hashmap.h, line 248
# Check failed: base::bits::IsPowerOfTwo32(capacity_).
#

==== C stack trace ===============================
.

[Yang, 2015-10-26 14:52:04]

Description was changed from

==========
Canonicalize handles for optimized compilation.

R=bmeurer@chromium.org

Committed: https://crrev.com/15f36b2b1e166a511966a9991fddea94f890a755
Cr-Commit-Position: refs/heads/master@{#31566}
==========

to

==========
Canonicalize handles for optimized compilation.

R=bmeurer@chromium.org

Committed: https://crrev.com/15f36b2b1e166a511966a9991fddea94f890a755
Cr-Commit-Position: refs/heads/master@{#31566}
==========

[Yang, 2015-10-26 14:52:29]

The CQ bit was checked by yangguo@chromium.org

[Yang, 2015-10-26 14:52:30]

The patchset sent to the CQ was uploaded after l-g-t-m from
bmeurer@chromium.org, jochen@chromium.org
Link to the patchset: https://codereview.chromium.org/1423833003/#ps20001
(title: "fix")

[commit-bot: I haz the power, 2015-10-26 14:52:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1423833003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1423833003/20001

[commit-bot: I haz the power, 2015-10-26 15:33:06]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-10-26 15:33:33]

Patchset 2 (id:??) landed as
https://crrev.com/67dc6ce5fde32c1895974903ea566dc0dadd39f7
Cr-Commit-Position: refs/heads/master@{#31576}