MIPS: Check that branches to trampoline pool do actually reach.

MIPS: Check that branches to trampoline pool do actually reach.

Do the check in release mode, too. Prefer crash over mis-patched
branch instruction.

BUG=v8:4294
LOG=N

Committed: https://crrev.com/91fcb0081e7aac6dfc4ea4831049069a3a89dafe
Cr-Commit-Position: refs/heads/master@{#29581}

[paul.l..., 2015-07-10 19:46:12]

paul.lind@imgtec.com changed reviewers:
+ balazs.kilvady@imgtec.com, dusan.milosavljevic@imgtec.com

[paul.l..., 2015-07-10 19:46:13]

PTAL.

[balazs.kilvady, 2015-07-10 19:47:55]

LGTM

[paul.l..., 2015-07-10 20:30:30]

paul.lind@imgtec.com changed reviewers:
+ bmeurer@chromium.org, hablich@chromium.org

[paul.l..., 2015-07-10 20:30:37]

The CQ bit was checked by paul.lind@imgtec.com

[commit-bot: I haz the power, 2015-07-10 20:30:52]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1233623004/1

[commit-bot: I haz the power, 2015-07-10 20:55:41]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-10 20:55:58]

Patchset 1 (id:??) landed as
https://crrev.com/91fcb0081e7aac6dfc4ea4831049069a3a89dafe
Cr-Commit-Position: refs/heads/master@{#29581}