[wasm] Remove improper assembler check for grow memory.

[wasm] Remove improper assembler check for grow memory.

Note that the offset can still be out of bounds, even after grow memory. The calculation of the remaining size can overflow.

R=gdeepti@chromium.org
BUG=chromium:644670
Committed: https://crrev.com/e6071a9c067e07304329250e040b652fb82e9b5e
Cr-Commit-Position: refs/heads/master@{#39886}

[titzer, 2016-09-29 11:58:57]

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

[commit-bot: I haz the power, 2016-09-29 11:59:05]

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, 2016-09-29 12:24:20]

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

[commit-bot: I haz the power, 2016-09-29 12:24:21]

Dry run: Try jobs failed on following builders:
  v8_linux_dbg_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_dbg_ng/builds/13720)
  v8_linux_dbg_ng_triggered on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_dbg_ng_triggered/b...)

[titzer, 2016-09-29 13:08:09]

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

[commit-bot: I haz the power, 2016-09-29 13:08:25]

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, 2016-09-29 13:33:21]

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

[commit-bot: I haz the power, 2016-09-29 13:33:22]

Dry run: This issue passed the CQ dry run.

[gdeepti, 2016-09-29 16:31:34]

lgtm

[titzer, 2016-09-29 16:38:08]

The CQ bit was checked by titzer@chromium.org

[commit-bot: I haz the power, 2016-09-29 16:38:19]

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, 2016-09-29 18:03:53]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-09-29 18:04:06]

Description was changed from

==========
[wasm] Remove improper assembler check for grow memory.

Note that the offset can still be out of bounds, even after grow memory. The
calculation of the remaining size can overflow.

R=gdeepti@chromium.org
BUG=chromium:644670
==========

to

==========
[wasm] Remove improper assembler check for grow memory.

Note that the offset can still be out of bounds, even after grow memory. The
calculation of the remaining size can overflow.

R=gdeepti@chromium.org
BUG=chromium:644670

Committed: https://crrev.com/e6071a9c067e07304329250e040b652fb82e9b5e
Cr-Commit-Position: refs/heads/master@{#39886}
==========

[commit-bot: I haz the power, 2016-09-29 18:04:07]

Patchset 2 (id:??) landed as
https://crrev.com/e6071a9c067e07304329250e040b652fb82e9b5e
Cr-Commit-Position: refs/heads/master@{#39886}

[Michael Achenbach, 2016-09-29 19:08:02]

Please fix the extra test or skip it for now. Fails on linux debug and  blocks
the CQ:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20debug/builds...

[adamk, 2016-09-29 21:54:17]

A revert of this CL (patchset #2 id:20001) has been created in
https://codereview.chromium.org/2378973003/ by adamk@chromium.org.

The reason for reverting is: grow-memory test now fails on Linux dbg, blocking
the CQ:

https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20debug/builds...



.