Version 4.3.66

Reland: Fix JSON parser Handle leak (previous CL 1041483004) (issue 3976, Chromium issue 472504).

Turn off overapproximation of the weak closure again (issue 3862).

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.3.66@{#1}
Cr-Branched-From: 0f086d1-refs/heads/master@{#27575}

Version 4.3.65

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.3.65@{#1}
Cr-Branched-From: 4339480-refs/heads/master@{#27565}

Version 4.2.77.14 (cherry-pick)

Merged d7f25f5

use a hash table for the function cache as blink is leaking functiontemplates

[email protected]
BUG=472608

Review URL: https://codereview.chromium.org/1053973002

Cr-Commit-Position: refs/branch-heads/4.2@{v8#16}
Cr-Branched-From: 3dfd929-refs/heads/4.2.77@{v8#2}
Cr-Branched-From: e011092-refs/heads/master@{#26757}

Version 4.3.64

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.3.64@{#1}
Cr-Branched-From: fafcc0d-refs/heads/master@{#27559}

Version 4.3.63

[V8] Don't ignore sourceURL comment in inline scripts in .stack (issue 3920).

Deprecate IdleNotification().

Remove --harmony-numeric-literal flag.

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.3.63@{#1}
Cr-Branched-From: eda4b5b-refs/heads/master@{#27555}

Version 4.3.62

Put newspace evacuation in an EvacuationScope (Chromium issue 471554).

Fix libdl dependency on Android and remove librt hack (Chromium issue 469973).

Ensure that GC idle notifications either make progress or stop requesting more GCs (Chromium issue 470615).

Layout descriptor must be trimmed when corresponding descriptors array is trimmed to stay in sync (Chromium issue 470804).

Fix JSON parser Handle leak (issue 3976).

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.3.62@{#1}
Cr-Branched-From: 2124168-refs/heads/master@{#27544}

Version 4.3.61

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.3.61@{#1}
Cr-Branched-From: 0a7d4f4-refs/heads/master@{#27508}

Version 4.3.60

Reland^2 "Filter invalid slots out from the SlotsBuffer after marking." (Chromium issues 454297, 470801).

This fixes missing incremental write barrier issue when double fields unboxing is enabled (Chromium issue 469146).

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.3.60@{#1}
Cr-Branched-From: c24ed0a-refs/heads/master@{#27507}

Version 4.3.59

Use a slot that is located on a heap page when removing invalid entries from the SlotsBuffer (Chromium issue 470801).

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.3.59@{#1}
Cr-Branched-From: de018fb-refs/heads/master@{#27491}

Version 4.3.58

Return timestamp of the last recorded interval to the caller of HeapProfiler::GetHeapStats (Chromium issue 467222).

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.3.58@{#1}
Cr-Branched-From: f13d04d-refs/heads/master@{#27466}