• littledan's avatar
    Reland of Use ES2015-style TypedArray prototype chain (patchset #1 id:1 of... · e549c7a3
    littledan authored
    Reland of Use ES2015-style TypedArray prototype chain (patchset #1 id:1 of https://codereview.chromium.org/1554523002/ )
    
    Reason for revert:
    Should be fixed again with this Blink change to add NeedsManualRebaseline
    
    Original issue's description:
    > Revert of Use ES2015-style TypedArray prototype chain (patchset #5 id:80001 of https://codereview.chromium.org/1541233002/ )
    >
    > Reason for revert:
    > [Sheriff] Changes layout tests. Please fix upstream first if intended.
    >
    > https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/3689
    >
    > Original issue's description:
    > > Use ES2015-style TypedArray prototype chain
    > >
    > > This patch switches TypedArrays to use the prototype chain described
    > > in the ES2015 specification, which adds a %TypedArray% superclass above
    > > all individual TypedArray types. Most methods are defined on the
    > > superclass rather than the subclasses.
    > >
    > > In order to prevent a performance regression, a few methods are
    > > marked as inline. Inlining might prevent code which was previously
    > > monomorphic from becoming polymorphic, and it was specifically
    > > applied in places where methods became more polymorphic than before.
    > > Tests with realistic workloads would be nice to do before this
    > > ships in stable.
    > >
    > > This patch does not bring TypedArrays up to full spec compliance. In
    > > particular, @@species is not yet supported.
    > >
    > > R=cbruni
    > > BUG=v8:4085
    > > LOG=Y
    > >
    > > Committed: https://crrev.com/07c91dccbe55c7be3ec75857dee5ad59873330b7
    > > Cr-Commit-Position: refs/heads/master@{#33050}
    >
    > TBR=caitpotter88@gmail.com,cbruni@chromium.org,littledan@chromium.org
    > NOPRESUBMIT=true
    > NOTREECHECKS=true
    > NOTRY=true
    > BUG=v8:4085
    >
    > Committed: https://crrev.com/28b55ffd1e32e09aaf42b8bbb407944d4808e07c
    > Cr-Commit-Position: refs/heads/master@{#33053}
    
    TBR=caitpotter88@gmail.com,cbruni@chromium.org,machenbach@chromium.org
    BUG=v8:4085
    LOG=Y
    
    CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng;tryserver.blink:linux_blink_rel
    
    Review URL: https://codereview.chromium.org/1558663002
    
    Cr-Commit-Position: refs/heads/master@{#33067}
    e549c7a3
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