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    • loislo's avatar
      Revert of Externalize deoptimization reasons. (patchset #6 id:100001 of... · bfc5d83b
      loislo authored 
      Revert of Externalize deoptimization reasons. (patchset #6 id:100001 of https://codereview.chromium.org/874323003/)

Reason for revert:
it broke the build

Original issue's description:
> Externalize deoptimization reasons.
>
> 1) The hardcoded strings were converted into DeoptReason enum.
>
> 2) Deopt comment were converted into a pair location and deopt reason entries so
> the deopt reason tracking mode would less affect the size of the RelocInfo table and heap.
>
> 3) DeoptReason entry in RelocInfo reuses kCommentTag value and generates short entry in RelocInfo table.
>
> BUG=452067
> LOG=n
>
> Committed: https://crrev.com/c49820e45b57f128a98690940875c049f612dde6
> Cr-Commit-Position: refs/heads/master@{#26434}

TBR=alph@chromium.org,mstarzinger@chromium.org,svenpanne@chromium.org,yurys@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=452067

Review URL: https://codereview.chromium.org/892843007

Cr-Commit-Position: refs/heads/master@{#26435}
      bfc5d83b
    • loislo's avatar
      Externalize deoptimization reasons. · c49820e4
      loislo authored 
      1) The hardcoded strings were converted into DeoptReason enum.

2) Deopt comment were converted into a pair location and deopt reason entries so
the deopt reason tracking mode would less affect the size of the RelocInfo table and heap.

3) DeoptReason entry in RelocInfo reuses kCommentTag value and generates short entry in RelocInfo table.

BUG=452067
LOG=n

Review URL: https://codereview.chromium.org/874323003

Cr-Commit-Position: refs/heads/master@{#26434}
      c49820e4
    • mvstanton's avatar
      Retry "Use a WeakCell in the CallIC type vector." · 6fc97a19
      mvstanton authored 
      The first try failed because I needed to make a better distinction
between clearing ICs according to policy at GC time or unconditional
clearing (say, via %ClearFunctionTypeFeedback).

It was also blocked by an issue in super constructor calls.
This fix (https://codereview.chromium.org/892113002/) needs to land
before checking in this CL.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/866493003

Cr-Commit-Position: refs/heads/master@{#26420}
      6fc97a19
    • marja's avatar
      Introduce LanguageMode, drop StrictMode. · c7851da4
      marja authored 
      This enables adding more language modes in the future.

For maximum flexibility, LanguageMode is a bitmask, so we're not restricted to
use a sequence of language modes which are progressively stricter, but we can
express the language mode as combination of features.

For now, LanguageMode can only be "sloppy" or "strict", and there are
STATIC_ASSERTS in places which need to change when more modes are added.

LanguageMode is a bit like the old LanguageMode when "extended" mode was still
around (see https://codereview.chromium.org/8417035 and
https://codereview.chromium.org/181543002 ) except that it's transmitted through
all the layers (there's no StrictModeFlag).

BUG=

Review URL: https://codereview.chromium.org/894683003

Cr-Commit-Position: refs/heads/master@{#26419}
      c7851da4
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