[Webkit-unassigned] [Bug 186459] New: [DFG] Fold GetByVal if Array is CoW

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=186459

            Bug ID: 186459
           Summary: [DFG] Fold GetByVal if Array is CoW
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: utatane.tea at gmail.com

If we know the array is a constant one and it has a CoW structure (by CheckStructure etc.), InBounds GetByVal can be turned into a constant.

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