make ToLocalCheck crash in release mode

make ToLocalCheck crash in release mode

R=svenpanne@chromium.org
BUG=

Committed: https://crrev.com/ce7cc5119c1e031bf1eb8476fbf5e55bef738f94
Cr-Commit-Position: refs/heads/master@{#27585}

[dcarney, 2015-04-02 09:56:19]

dcarney@chromium.org changed reviewers:
+ svenpanne@chromium.org

[dcarney, 2015-04-02 09:56:37]

ptal

[Sven Panne, 2015-04-02 10:57:53]

lgtm

[dcarney, 2015-04-02 10:58:11]

The CQ bit was checked by dcarney@chromium.org

[commit-bot: I haz the power, 2015-04-02 10:58:23]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1043363005/1

[commit-bot: I haz the power, 2015-04-02 10:59:51]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-02 11:00:00]

Patchset 1 (id:??) landed as
https://crrev.com/ce7cc5119c1e031bf1eb8476fbf5e55bef738f94
Cr-Commit-Position: refs/heads/master@{#27585}

[Michael Achenbach, 2015-04-02 13:01:49]

machenbach@chromium.org changed reviewers:
+ machenbach@chromium.org

[Michael Achenbach, 2015-04-02 13:01:50]

DevTools are crashy because of this:
http://build.chromium.org/p/client.v8/builders/V8-Blink%20Linux%2032/builds/2435

[dcarney, 2015-04-02 13:09:06]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1057873003/ by dcarney@chromium.org.

The reason for reverting is: breaks some devtools things.