Version 5.3.351

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/5.3.351@{#1}
Cr-Branched-From: fbeb0e6-refs/heads/master@{#37420}

Version 5.3.350

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/5.3.350@{#1}
Cr-Branched-From: 8d65a3c-refs/heads/master@{#37419}

Version 5.3.349

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/5.3.349@{#1}
Cr-Branched-From: 7507770-refs/heads/master@{#37410}

Version 5.3.348

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/5.3.348@{#1}
Cr-Branched-From: f772c22-refs/heads/master@{#37407}

merge: Revert of Amend DataView, ArrayBuffer, and TypedArray methods …

…to use ToIndex. (patchset v8#8 id:140001 of https://codereview.chromium.org/2090353003/ )

Reason for revert:
Speculative revert to unblock roll: https://codereview.chromium.org/2107223003/

Original issue's description:
> Amend DataView, ArrayBuffer, and TypedArray methods to use ToIndex.
>
> The spec was modified to relax some requirements which implementors had not been
> enforcing. Part of this process involved introducing a new abstract operation
> ToIndex, which had partial overlap with our existing semantics as well as some
> differences (most notably treating undefined as 0). Test262 tests were introduced to
> check for the new semantics, some of which we were failing. This patch amends the
> parts of our implementation corresponding to specification algorithms which use
> ToIndex to follow its semantics precisely.
>
> BUG=v8:4784,v8:5120
>
> Committed: https://crrev.com/09720349ea058d178521ec58d0a5676443a5a132
> Cr-Commit-Position: refs/heads/master@{#37406}

[email protected],[email protected],[email protected]
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4784,v8:5120

Review URL: https://codereview.chromium.org/2113603002 .

Review-Url: https://codereview.chromium.org/2113593002
Cr-Original-Commit-Position: refs/heads/master@{#37417}
Cr-Commit-Position: refs/heads/5.3.347@{v8#2}
Cr-Branched-From: 0972034-refs/heads/master@{#37406}

Version 5.3.332.5 (cherry-pick)

Merged 05638b9

PPC/s390: [turbofan] Introduce Float64Pow and NumberPow operators.

BUG=v8:3599,v8:5086,v8:5157
LOG=N
NOTRY=true
NOPRESUBMIT=true
[email protected], [email protected]

Review-Url: https://codereview.chromium.org/2109503008
Cr-Commit-Position: refs/branch-heads/5.3@{v8#7}
Cr-Branched-From: 820a23a-refs/heads/5.3.332@{v8#2}
Cr-Branched-From: 37538cb-refs/heads/master@{#37308}

Version 5.3.332.4

Cr-Commit-Position: refs/branch-heads/5.3@{v8#6}
Cr-Branched-From: 820a23a-refs/heads/5.3.332@{v8#2}
Cr-Branched-From: 37538cb-refs/heads/master@{#37308}

Disable handle zapping on branch 5.3

BUG=chromium:318206
[email protected], [email protected]
LOG=n
NOTRY=true
NOPRESUBMIT=true

Review URL: https://codereview.chromium.org/2114643002 .

Cr-Commit-Position: refs/branch-heads/5.3@{v8#5}
Cr-Branched-From: 820a23a-refs/heads/5.3.332@{v8#2}
Cr-Branched-From: 37538cb-refs/heads/master@{#37308}

Version 5.3.332.2

Cr-Commit-Position: refs/branch-heads/5.3@{v8#2}
Cr-Branched-From: 820a23a-refs/heads/5.3.332@{v8#2}
Cr-Branched-From: 37538cb-refs/heads/master@{#37308}

Version 5.2.361.32 (cherry-pick)

Merged d800a65
Merged 7a88ff3
Merged a715957

[heap] Filter out stale left-trimmed handles
[heap] Filter out stale left-trimmed handles for scavenges
[heap] Iterate handles with special left-trim visitor

BUG=chromium:620553,chromium:620553,chromium:621869
LOG=N
[email protected], [email protected]
NOTRY=true
NOPRESUBMIT=true

Review-Url: https://codereview.chromium.org/2111133002
Cr-Commit-Position: refs/branch-heads/5.2@{v8#38}
Cr-Branched-From: 2cd36d6-refs/heads/5.2.361@{#1}
Cr-Branched-From: 3fef34e-refs/heads/master@{#36332}