Version 4.7.74.1 (cherry-pick)

Merged 1fe1c74

remove byte-accounting assert for crbug.com/536163

BUG=chromium:536163
LOG=N
[email protected]

Review URL: https://codereview.chromium.org/1374593002 .

Cr-Commit-Position: refs/heads/4.7.74@{v8#2}
Cr-Branched-From: 56a0a79-refs/heads/master@{#30926}

Version 4.7.75

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.7.75@{#1}
Cr-Branched-From: 2c70583-refs/heads/master@{#30935}

Version 4.7.74

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.7.74@{#1}
Cr-Branched-From: 56a0a79-refs/heads/master@{#30926}

Version 4.7.73

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.7.73@{#1}
Cr-Branched-From: 1c5e511-refs/heads/master@{#30921}

Version 4.7.72

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.7.72@{#1}
Cr-Branched-From: 9e5b0a5-refs/heads/master@{#30915}

Version 4.7.71

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.7.71@{#1}
Cr-Branched-From: 656ebdc-refs/heads/master@{#30901}

Version 4.7.70

[simdjs] Update Spec version to 0.9 (issue 4124).

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.7.70@{#1}
Cr-Branched-From: 7a7b692-refs/heads/master@{#30895}

Version 4.7.69

Share literals arrays per <NativeContext, SharedFunctionInfo> pair (issue 4121).

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.7.69@{#1}
Cr-Branched-From: 8a77673-refs/heads/master@{#30892}

Version 4.7.68

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.7.68@{#1}
Cr-Branched-From: c281c15-refs/heads/master@{#30873}

Version 4.7.67

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/4.7.67@{#1}
Cr-Branched-From: 667c5e0-refs/heads/master@{#30861}