Revert of Rehash and clear deleted entries in weak collections during GC

Revert of Rehash and clear deleted entries in weak collections during GC (patchset #8 id:140001 of https://codereview.chromium.org/1877233005/ )

Reason for revert:
[Sheriff] Speculative revert. Suspect for gc stress crashes, like:
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20GC%20Stress%20-%20custom%20snapshot/builds/5119

Original issue's description:
> Rehash and clear deleted entries in weak collections during GC
>
> Otherwise, they'll just keep growing until we run out of memory or hit the FixedArray's maximum capacity.
>
> BUG=v8:4909
> R=hpayer@chromium.org
> LOG=n
>
> Committed: https://crrev.com/e093a047796d4c0575fe63d36529e7fe89b8865d
> Cr-Commit-Position: refs/heads/master@{#35514}

TBR=hpayer@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4909
Committed: https://crrev.com/5f5a3282d4b21eb0800f1d1af85926670ba0d904
Cr-Commit-Position: refs/heads/master@{#35519}

[Michael Achenbach, 2016-04-15 12:15:39]

Created Revert of Rehash and clear deleted entries in weak collections during GC

[commit-bot: I haz the power, 2016-04-15 12:15:45]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1891863003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1891863003/1

[commit-bot: I haz the power, 2016-04-15 12:16:03]

Description was changed from

==========
Revert of Rehash and clear deleted entries in weak collections during GC
(patchset #8 id:140001 of https://codereview.chromium.org/1877233005/ )

Reason for revert:
[Sheriff] Speculative revert. Suspect for gc stress crashes, like:
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20GC%20Stress%20...

Original issue's description:
> Rehash and clear deleted entries in weak collections during GC
> 
> Otherwise, they'll just keep growing until we run out of memory or hit the
FixedArray's maximum capacity.
> 
> BUG=v8:4909
> R=hpayer@chromium.org
> LOG=n
> 
> Committed: https://crrev.com/e093a047796d4c0575fe63d36529e7fe89b8865d
> Cr-Commit-Position: refs/heads/master@{#35514}

TBR=hpayer@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4909
==========

to

==========
Revert of Rehash and clear deleted entries in weak collections during GC
(patchset #8 id:140001 of https://codereview.chromium.org/1877233005/ )

Reason for revert:
[Sheriff] Speculative revert. Suspect for gc stress crashes, like:
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20GC%20Stress%20...

Original issue's description:
> Rehash and clear deleted entries in weak collections during GC
> 
> Otherwise, they'll just keep growing until we run out of memory or hit the
FixedArray's maximum capacity.
> 
> BUG=v8:4909
> R=hpayer@chromium.org
> LOG=n
> 
> Committed: https://crrev.com/e093a047796d4c0575fe63d36529e7fe89b8865d
> Cr-Commit-Position: refs/heads/master@{#35514}

TBR=hpayer@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4909
==========

[commit-bot: I haz the power, 2016-04-15 12:16:04]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-15 12:17:27]

Description was changed from

==========
Revert of Rehash and clear deleted entries in weak collections during GC
(patchset #8 id:140001 of https://codereview.chromium.org/1877233005/ )

Reason for revert:
[Sheriff] Speculative revert. Suspect for gc stress crashes, like:
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20GC%20Stress%20...

Original issue's description:
> Rehash and clear deleted entries in weak collections during GC
> 
> Otherwise, they'll just keep growing until we run out of memory or hit the
FixedArray's maximum capacity.
> 
> BUG=v8:4909
> R=hpayer@chromium.org
> LOG=n
> 
> Committed: https://crrev.com/e093a047796d4c0575fe63d36529e7fe89b8865d
> Cr-Commit-Position: refs/heads/master@{#35514}

TBR=hpayer@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4909
==========

to

==========
Revert of Rehash and clear deleted entries in weak collections during GC
(patchset #8 id:140001 of https://codereview.chromium.org/1877233005/ )

Reason for revert:
[Sheriff] Speculative revert. Suspect for gc stress crashes, like:
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20GC%20Stress%20...

Original issue's description:
> Rehash and clear deleted entries in weak collections during GC
>
> Otherwise, they'll just keep growing until we run out of memory or hit the
FixedArray's maximum capacity.
>
> BUG=v8:4909
> R=hpayer@chromium.org
> LOG=n
>
> Committed: https://crrev.com/e093a047796d4c0575fe63d36529e7fe89b8865d
> Cr-Commit-Position: refs/heads/master@{#35514}

TBR=hpayer@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4909

Committed: https://crrev.com/5f5a3282d4b21eb0800f1d1af85926670ba0d904
Cr-Commit-Position: refs/heads/master@{#35519}
==========

[commit-bot: I haz the power, 2016-04-15 12:17:27]

Patchset 1 (id:??) landed as
https://crrev.com/5f5a3282d4b21eb0800f1d1af85926670ba0d904
Cr-Commit-Position: refs/heads/master@{#35519}