Revert of [wasm] Turn on trap-if by default.

Revert of [wasm] Turn on trap-if by default. (patchset #1 id:1 of https://codereview.chromium.org/2647323002/ )

Reason for revert:
gc-stress failures

Original issue's description:
> [wasm] Turn on trap-if by default.
> 
> This CL turns on trap-if by default, and it changes the tests so that
> traps in the cctests are also tested without trap-if.
> 
> R=titzer@chromium.org, clemensh@chromium.org, bradnelson@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2647323002
> Cr-Commit-Position: refs/heads/master@{#42603}
> Committed: https://chromium.googlesource.com/v8/v8/+/01c87ebe70fb569205432597f3105c708bba0fef

TBR=bradnelson@chromium.org,titzer@chromium.org,ahaas@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review-Url: https://codereview.chromium.org/2645403005
Cr-Commit-Position: refs/heads/master@{#42604}
Committed: https://chromium.googlesource.com/v8/v8/+/5582100308ba104837951f4f9340361270a9cfc6

[Clemens Hammacher, 2017-01-23 16:23:14]

The CQ bit was checked by clemensh@chromium.org

[Clemens Hammacher, 2017-01-23 16:23:15]

Created Revert of [wasm] Turn on trap-if by default.

[commit-bot: I haz the power, 2017-01-23 16:23:20]

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 16:23:26]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1485188594815020, "parent_rev":
"01c87ebe70fb569205432597f3105c708bba0fef", "commit_rev":
"5582100308ba104837951f4f9340361270a9cfc6"}

[commit-bot: I haz the power, 2017-01-23 16:23:31]

Description was changed from

==========
Revert of [wasm] Turn on trap-if by default. (patchset #1 id:1 of
https://codereview.chromium.org/2647323002/ )

Reason for revert:
gc-stress failures

Original issue's description:
> [wasm] Turn on trap-if by default.
> 
> This CL turns on trap-if by default, and it changes the tests so that
> traps in the cctests are also tested without trap-if.
> 
> R=titzer@chromium.org, clemensh@chromium.org, bradnelson@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2647323002
> Cr-Commit-Position: refs/heads/master@{#42603}
> Committed:
https://chromium.googlesource.com/v8/v8/+/01c87ebe70fb569205432597f3105c708bb...

TBR=bradnelson@chromium.org,titzer@chromium.org,ahaas@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
==========

to

==========
Revert of [wasm] Turn on trap-if by default. (patchset #1 id:1 of
https://codereview.chromium.org/2647323002/ )

Reason for revert:
gc-stress failures

Original issue's description:
> [wasm] Turn on trap-if by default.
> 
> This CL turns on trap-if by default, and it changes the tests so that
> traps in the cctests are also tested without trap-if.
> 
> R=titzer@chromium.org, clemensh@chromium.org, bradnelson@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2647323002
> Cr-Commit-Position: refs/heads/master@{#42603}
> Committed:
https://chromium.googlesource.com/v8/v8/+/01c87ebe70fb569205432597f3105c708bb...

TBR=bradnelson@chromium.org,titzer@chromium.org,ahaas@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review-Url: https://codereview.chromium.org/2645403005
Cr-Commit-Position: refs/heads/master@{#42604}
Committed:
https://chromium.googlesource.com/v8/v8/+/5582100308ba104837951f4f9340361270a...
==========

[commit-bot: I haz the power, 2017-01-23 16:23:32]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/5582100308ba104837951f4f9340361270a...