[crankshaft] Fix string addition to check for max length of cons string.

[crankshaft] Fix string addition to check for max length of cons string.

BUG=chromium:678917
Review-Url: https://codereview.chromium.org/2653623002
Cr-Commit-Position: refs/heads/master@{#42621}
Committed: https://chromium.googlesource.com/v8/v8/+/dd310b434181902a8e8a93890dd634a2e8cfc825

[Jarin, 2017-01-23 13:59:25]

jarin@chromium.org changed reviewers:
+ ishell@chromium.org

[Jarin, 2017-01-23 13:59:26]

Could you take a look, please?

[Jarin, 2017-01-23 14:04:19]

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

[commit-bot: I haz the power, 2017-01-23 14:04:31]

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, 2017-01-23 14:05:02]

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

[commit-bot: I haz the power, 2017-01-23 14:05:03]

Dry run: Try jobs failed on following builders:
  v8_win64_rel_ng on master.tryserver.v8 (JOB_FAILED, no build URL)
  v8_win_compile_dbg on master.tryserver.v8 (JOB_FAILED, no build URL)
  v8_win_nosnap_shared_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_win_nosnap_shared_rel_ng...)
  v8_win_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_win_rel_ng/builds/21424)

[Igor Sheludko, 2017-01-24 09:12:25]

lgtm

[Jarin, 2017-01-24 09:13:00]

The CQ bit was checked by jarin@chromium.org

[commit-bot: I haz the power, 2017-01-24 09:13:04]

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, 2017-01-24 09:35:57]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1485249180901330, "parent_rev":
"d287c8196990b04169d5dc4e9cf6eb03d88d9e47", "commit_rev":
"dd310b434181902a8e8a93890dd634a2e8cfc825"}

[commit-bot: I haz the power, 2017-01-24 09:36:01]

Description was changed from

==========
[crankshaft] Fix string addition to check for max length of cons string.

BUG=chromium:678917
==========

to

==========
[crankshaft] Fix string addition to check for max length of cons string.

BUG=chromium:678917

Review-Url: https://codereview.chromium.org/2653623002
Cr-Commit-Position: refs/heads/master@{#42621}
Committed:
https://chromium.googlesource.com/v8/v8/+/dd310b434181902a8e8a93890dd634a2e8c...
==========

[commit-bot: I haz the power, 2017-01-24 09:36:02]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/dd310b434181902a8e8a93890dd634a2e8c...