[wasm] Do not produce code for br_if if its condition does not validate.

[wasm] Do not produce code for br_if if its condition does not validate.

I could not reproduce the bug in either a unittest nor a cctest. That's
why I created an mjsunit test now.

BUG=chromium:644682
R=titzer@chromium.org

Committed: https://crrev.com/853892a516d3840c7dbec678310817778f09923b
Cr-Commit-Position: refs/heads/master@{#39282}

[ahaas, 2016-09-08 14:02:39]

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

[commit-bot: I haz the power, 2016-09-08 14:02:40]

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

[titzer, 2016-09-08 14:05:43]

lgtm

[commit-bot: I haz the power, 2016-09-08 14:37:27]

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

[commit-bot: I haz the power, 2016-09-08 14:37:28]

Dry run: This issue passed the CQ dry run.

[ahaas, 2016-09-08 14:38:14]

The CQ bit was checked by ahaas@chromium.org

[commit-bot: I haz the power, 2016-09-08 14:38:17]

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, 2016-09-08 14:40:39]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-08 14:41:10]

Description was changed from

==========
[wasm] Do not produce code for br_if if its condition does not validate.

I could not reproduce the bug in either a unittest nor a cctest. That's
why I created an mjsunit test now.

BUG=chromium:644682
R=titzer@chromium.org
==========

to

==========
[wasm] Do not produce code for br_if if its condition does not validate.

I could not reproduce the bug in either a unittest nor a cctest. That's
why I created an mjsunit test now.

BUG=chromium:644682
R=titzer@chromium.org

Committed: https://crrev.com/853892a516d3840c7dbec678310817778f09923b
Cr-Commit-Position: refs/heads/master@{#39282}
==========

[commit-bot: I haz the power, 2016-09-08 14:41:11]

Patchset 1 (id:??) landed as
https://crrev.com/853892a516d3840c7dbec678310817778f09923b
Cr-Commit-Position: refs/heads/master@{#39282}