Add CodeStubAssembler::FlattenString

Add CodeStubAssembler::FlattenString

R=danno@chromium.org
BUG=

Committed: https://crrev.com/9780e970ff444c68064b7c5ef1cf64d0000e13e9
Cr-Commit-Position: refs/heads/master@{#40456}

[jochen (gone - plz use gerrit), 2016-10-20 07:13:02]

I'm working towards writing a TF builtin for String.prototype.indexOf btw

[jochen (gone - plz use gerrit), 2016-10-20 07:13:12]

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

[commit-bot: I haz the power, 2016-10-20 07:13:15]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-20 07:51:20]

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

[commit-bot: I haz the power, 2016-10-20 07:51:21]

Dry run: This issue passed the CQ dry run.

[jochen (gone - plz use gerrit), 2016-10-20 08:09:48]

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

[commit-bot: I haz the power, 2016-10-20 08:09:57]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[danno, 2016-10-20 08:35:53]

lgtm with nits

https://chromiumcodereview.appspot.com/2435953002/diff/1/src/code-stub-assemb...
File src/code-stub-assembler.cc (right):

https://chromiumcodereview.appspot.com/2435953002/diff/1/src/code-stub-assemb...
src/code-stub-assembler.cc:3613: result.Bind(CallRuntime(Runtime::kToString,
context, input));
After our discussion, not sure if you want this whitespace change.

https://chromiumcodereview.appspot.com/2435953002/diff/1/src/code-stub-assemb...
src/code-stub-assembler.cc:3638: // Bail out to the runtime.
Make this label deferred. You can make that efficient by making the above
statement a GotoUnless to the runtime label, which you explicitly declare as
deferred.

[commit-bot: I haz the power, 2016-10-20 08:41:56]

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

[commit-bot: I haz the power, 2016-10-20 08:41:57]

Dry run: This issue passed the CQ dry run.

[jochen (gone - plz use gerrit), 2016-10-20 08:42:34]

done

[jochen (gone - plz use gerrit), 2016-10-20 08:42:37]

The CQ bit was checked by jochen@chromium.org

[commit-bot: I haz the power, 2016-10-20 08:42:47]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-20 08:48:04]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-11-17 22:07:28]

Description was changed from

==========
Add CodeStubAssembler::FlattenString

R=danno@chromium.org
BUG=
==========

to

==========
Add CodeStubAssembler::FlattenString

R=danno@chromium.org
BUG=

Committed: https://crrev.com/9780e970ff444c68064b7c5ef1cf64d0000e13e9
Cr-Commit-Position: refs/heads/master@{#40456}
==========

[commit-bot: I haz the power, 2016-11-17 22:07:29]

Patchset 2 (id:??) landed as
https://crrev.com/9780e970ff444c68064b7c5ef1cf64d0000e13e9
Cr-Commit-Position: refs/heads/master@{#40456}