Support multi-arg fast push support

Support multi-arg fast push support

Deoptimizing from the stub is fairly slow, so add support for the other fast-path cases to avoid deopts. Notably, push with multi-arg is used by pdfjs.

BUG=chromium:597252
LOG=n

Committed: https://crrev.com/dc6b7855c45eeddf58a0a81b1ccd7e5c54ab55c7
Cr-Commit-Position: refs/heads/master@{#35037}

[Toon Verwaest, 2016-03-23 15:22:33]

verwaest@chromium.org changed reviewers:
+ cbruni@chromium.org

[Toon Verwaest, 2016-03-23 15:22:34]

ptal

[Camillo Bruni, 2016-03-23 15:40:13]

lgtm

[Toon Verwaest, 2016-03-23 15:40:36]

The CQ bit was checked by verwaest@chromium.org

[commit-bot: I haz the power, 2016-03-23 15:40:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1825843002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1825843002/20001

[commit-bot: I haz the power, 2016-03-23 16:02:32]

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

[commit-bot: I haz the power, 2016-03-23 16:02:32]

Try jobs failed on following builders:
  v8_linux64_asan_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_asan_rel/builds/...)

[Toon Verwaest, 2016-03-23 16:15:31]

The CQ bit was checked by verwaest@chromium.org

[commit-bot: I haz the power, 2016-03-23 16:15:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1825843002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1825843002/20001

[commit-bot: I haz the power, 2016-03-23 16:26:22]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-03-23 16:26:38]

Description was changed from

==========
Support multi-arg fast push support

Deoptimizing from the stub is fairly slow, so add support for the other
fast-path cases to avoid deopts. Notably, push with multi-arg is used by pdfjs.

BUG=chromium:597252
LOG=n
==========

to

==========
Support multi-arg fast push support

Deoptimizing from the stub is fairly slow, so add support for the other
fast-path cases to avoid deopts. Notably, push with multi-arg is used by pdfjs.

BUG=chromium:597252
LOG=n

Committed: https://crrev.com/dc6b7855c45eeddf58a0a81b1ccd7e5c54ab55c7
Cr-Commit-Position: refs/heads/master@{#35037}
==========

[commit-bot: I haz the power, 2016-03-23 16:26:40]

Patchset 2 (id:??) landed as
https://crrev.com/dc6b7855c45eeddf58a0a81b1ccd7e5c54ab55c7
Cr-Commit-Position: refs/heads/master@{#35037}