[turbofan] Frame elision only for stubs.

We want to enable frame elision for stubs and bytecode handlers.
Disabling it for anything else, to avoid compile time overhead.

BUG=

Committed: https://crrev.com/9c4d1396b65202135c6dc8abbe253248d183a1b5
Cr-Commit-Position: refs/heads/master@{#33587}

[Mircea Trofin, 2016-01-28 02:38:04]

Description was changed from

==========
[turbofan] Frame elision only for stubs.

BUG=
==========

to

==========
We want to enable frame elision for stubs and bytecode handlers. 
Disabling it for anything else, to avoid compile time overhead.


BUG=
==========

[Mircea Trofin, 2016-01-28 02:38:04]

mtrofin@chromium.org changed reviewers:
+ bmeurer@chromium.org, jarin@chromium.org

[Mircea Trofin, 2016-01-28 02:39:10]

https://codereview.chromium.org/1641653005/diff/1/src/compiler/pipeline.cc
File src/compiler/pipeline.cc (right):

https://codereview.chromium.org/1641653005/diff/1/src/compiler/pipeline.cc#ne...
src/compiler/pipeline.cc:1445: if (FLAG_turbo_frame_elision && info()->IsStub())
{
Is there a way to check this is a bytecode handler yet, or is "IsStub" covering
that?

[Jarin, 2016-01-28 08:32:31]

lgtm

[mtrofin, 2016-01-28 15:22:23]

The CQ bit was checked by mtrofin@google.com

[commit-bot: I haz the power, 2016-01-28 15:22:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1641653005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1641653005/1

[commit-bot: I haz the power, 2016-01-28 15:24:07]

Description was changed from

==========
We want to enable frame elision for stubs and bytecode handlers. 
Disabling it for anything else, to avoid compile time overhead.


BUG=
==========

to

==========
We want to enable frame elision for stubs and bytecode handlers. 
Disabling it for anything else, to avoid compile time overhead.


BUG=
==========

[commit-bot: I haz the power, 2016-01-28 15:24:08]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-28 15:24:33]

Description was changed from

==========
We want to enable frame elision for stubs and bytecode handlers. 
Disabling it for anything else, to avoid compile time overhead.


BUG=
==========

to

==========
We want to enable frame elision for stubs and bytecode handlers.
Disabling it for anything else, to avoid compile time overhead.

BUG=

Committed: https://crrev.com/9c4d1396b65202135c6dc8abbe253248d183a1b5
Cr-Commit-Position: refs/heads/master@{#33587}
==========

[commit-bot: I haz the power, 2016-01-28 15:24:33]

Patchset 1 (id:??) landed as
https://crrev.com/9c4d1396b65202135c6dc8abbe253248d183a1b5
Cr-Commit-Position: refs/heads/master@{#33587}