Revert of [regexp] Remove remainder of native RegExpExecStub

Revert of [regexp] Remove remainder of native RegExpExecStub (patchset #10 id:180001 of https://codereview.chromium.org/2752143003/ )

Reason for revert:
More failures on ports:

https://build.chromium.org/p/client.v8.ports/builders/V8%20Android%20Arm64%20-%20builder/builds/9123/steps/compile/logs/stdio

https://build.chromium.org/p/client.v8.ports/builders/V8%20Mips%20-%20builder/builds/8966/steps/compile/logs/stdio

Original issue's description:
> [regexp] Remove remainder of native RegExpExecStub
> 
> If we avoid throwing a stack overflow exception from Irregexp code during
> direct calls, there is no need to construct exit frames before the Irregexp
> call anymore. As that was the last remaining blocker, we can now implement the
> entire stub in CSA.
> 
> BUG=v8:5339
> 
> Review-Url: https://codereview.chromium.org/2752143003
> Cr-Original-Commit-Position: refs/heads/master@{#44770}
> Committed: https://chromium.googlesource.com/v8/v8/+/74f2497eae068f85da26904d8c451376c77957bf
> Review-Url: https://codereview.chromium.org/2752143003
> Cr-Commit-Position: refs/heads/master@{#44775}
> Committed: https://chromium.googlesource.com/v8/v8/+/9c0832eb1aceba625a2443a31d51bcaf550c575a

TBR=ishell@chromium.org,mstarzinger@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5339
Review-Url: https://codereview.chromium.org/2832193002
Cr-Commit-Position: refs/heads/master@{#44776}
Committed: https://chromium.googlesource.com/v8/v8/+/b2aba7d768fe8ae56f7b66bd353c88349f5bfebe

[jgruber, 2017-04-21 13:16:13]

The CQ bit was checked by jgruber@chromium.org

[jgruber, 2017-04-21 13:16:13]

Created Revert of [regexp] Remove remainder of native RegExpExecStub

[commit-bot: I haz the power, 2017-04-21 13:16:23]

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, 2017-04-21 13:16:38]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1492780573084750, "parent_rev":
"9c0832eb1aceba625a2443a31d51bcaf550c575a", "commit_rev":
"b2aba7d768fe8ae56f7b66bd353c88349f5bfebe"}

[commit-bot: I haz the power, 2017-04-21 13:16:44]

Description was changed from

==========
Revert of [regexp] Remove remainder of native RegExpExecStub (patchset #10
id:180001 of https://codereview.chromium.org/2752143003/ )

Reason for revert:
More failures on ports:

https://build.chromium.org/p/client.v8.ports/builders/V8%20Android%20Arm64%20...

https://build.chromium.org/p/client.v8.ports/builders/V8%20Mips%20-%20builder...

Original issue's description:
> [regexp] Remove remainder of native RegExpExecStub
> 
> If we avoid throwing a stack overflow exception from Irregexp code during
> direct calls, there is no need to construct exit frames before the Irregexp
> call anymore. As that was the last remaining blocker, we can now implement the
> entire stub in CSA.
> 
> BUG=v8:5339
> 
> Review-Url: https://codereview.chromium.org/2752143003
> Cr-Original-Commit-Position: refs/heads/master@{#44770}
> Committed:
https://chromium.googlesource.com/v8/v8/+/74f2497eae068f85da26904d8c451376c77...
> Review-Url: https://codereview.chromium.org/2752143003
> Cr-Commit-Position: refs/heads/master@{#44775}
> Committed:
https://chromium.googlesource.com/v8/v8/+/9c0832eb1aceba625a2443a31d51bcaf550...

TBR=ishell@chromium.org,mstarzinger@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5339
==========

to

==========
Revert of [regexp] Remove remainder of native RegExpExecStub (patchset #10
id:180001 of https://codereview.chromium.org/2752143003/ )

Reason for revert:
More failures on ports:

https://build.chromium.org/p/client.v8.ports/builders/V8%20Android%20Arm64%20...

https://build.chromium.org/p/client.v8.ports/builders/V8%20Mips%20-%20builder...

Original issue's description:
> [regexp] Remove remainder of native RegExpExecStub
> 
> If we avoid throwing a stack overflow exception from Irregexp code during
> direct calls, there is no need to construct exit frames before the Irregexp
> call anymore. As that was the last remaining blocker, we can now implement the
> entire stub in CSA.
> 
> BUG=v8:5339
> 
> Review-Url: https://codereview.chromium.org/2752143003
> Cr-Original-Commit-Position: refs/heads/master@{#44770}
> Committed:
https://chromium.googlesource.com/v8/v8/+/74f2497eae068f85da26904d8c451376c77...
> Review-Url: https://codereview.chromium.org/2752143003
> Cr-Commit-Position: refs/heads/master@{#44775}
> Committed:
https://chromium.googlesource.com/v8/v8/+/9c0832eb1aceba625a2443a31d51bcaf550...

TBR=ishell@chromium.org,mstarzinger@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5339

Review-Url: https://codereview.chromium.org/2832193002
Cr-Commit-Position: refs/heads/master@{#44776}
Committed:
https://chromium.googlesource.com/v8/v8/+/b2aba7d768fe8ae56f7b66bd353c88349f5...
==========

[commit-bot: I haz the power, 2017-04-21 13:16:45]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/b2aba7d768fe8ae56f7b66bd353c88349f5...