[wasm] Fix asm.js module instantiation on retry.

[wasm] Fix asm.js module instantiation on retry.

This fixes the case where a module is instantiated twice via the same
closure when in the meantime another closure has destroyed and removed
the WASM data attached to the SharedFunctionInfo.

R=bradnelson@chromium.org
TEST=mjsunit/asm/asm-validation
BUG=v8:4203
Committed: https://crrev.com/f9763eb275e25654995b265f020f25d5d7634551
Cr-Commit-Position: refs/heads/master@{#38696}

[Michael Starzinger, 2016-08-17 18:10:36]

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

[commit-bot: I haz the power, 2016-08-17 18:10:40]

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

[Michael Starzinger, 2016-08-17 18:11:23]

Description was changed from

==========
[wasm] Fix asm.js module instantiation on retry.

This fixes the case where a module is instantiated twice via the same
closure when in the meantime another closure has destroyed and removed
the WASM data attached to the SharedFunctionInfo.

R=bradnelson@chromium.org
TEST=mjsunit/asm/asm-validation
==========

to

==========
[wasm] Fix asm.js module instantiation on retry.

This fixes the case where a module is instantiated twice via the same
closure when in the meantime another closure has destroyed and removed
the WASM data attached to the SharedFunctionInfo.

R=bradnelson@chromium.org
TEST=mjsunit/asm/asm-validation
BUG=v8:4203
==========

[bradnelson, 2016-08-17 18:16:37]

lgtm

[commit-bot: I haz the power, 2016-08-17 18:43:37]

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

[commit-bot: I haz the power, 2016-08-17 18:43:39]

Dry run: This issue passed the CQ dry run.

[Michael Starzinger, 2016-08-18 07:39:50]

The CQ bit was checked by mstarzinger@chromium.org

[commit-bot: I haz the power, 2016-08-18 07:40:00]

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, 2016-08-18 07:44:22]

Description was changed from

==========
[wasm] Fix asm.js module instantiation on retry.

This fixes the case where a module is instantiated twice via the same
closure when in the meantime another closure has destroyed and removed
the WASM data attached to the SharedFunctionInfo.

R=bradnelson@chromium.org
TEST=mjsunit/asm/asm-validation
BUG=v8:4203
==========

to

==========
[wasm] Fix asm.js module instantiation on retry.

This fixes the case where a module is instantiated twice via the same
closure when in the meantime another closure has destroyed and removed
the WASM data attached to the SharedFunctionInfo.

R=bradnelson@chromium.org
TEST=mjsunit/asm/asm-validation
BUG=v8:4203
==========

[commit-bot: I haz the power, 2016-08-18 07:44:22]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-18 07:44:39]

Description was changed from

==========
[wasm] Fix asm.js module instantiation on retry.

This fixes the case where a module is instantiated twice via the same
closure when in the meantime another closure has destroyed and removed
the WASM data attached to the SharedFunctionInfo.

R=bradnelson@chromium.org
TEST=mjsunit/asm/asm-validation
BUG=v8:4203
==========

to

==========
[wasm] Fix asm.js module instantiation on retry.

This fixes the case where a module is instantiated twice via the same
closure when in the meantime another closure has destroyed and removed
the WASM data attached to the SharedFunctionInfo.

R=bradnelson@chromium.org
TEST=mjsunit/asm/asm-validation
BUG=v8:4203

Committed: https://crrev.com/f9763eb275e25654995b265f020f25d5d7634551
Cr-Commit-Position: refs/heads/master@{#38696}
==========

[commit-bot: I haz the power, 2016-08-18 07:44:40]

Patchset 1 (id:??) landed as
https://crrev.com/f9763eb275e25654995b265f020f25d5d7634551
Cr-Commit-Position: refs/heads/master@{#38696}