[Webkit-unassigned] [Bug 186811] New: We shouldn't need to initialize subclasses of Arrays twice.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=186811

            Bug ID: 186811
           Summary: We shouldn't need to initialize subclasses of Arrays
                    twice.
           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: keith_miller at apple.com

We initialize subclasses of Array because we might need to allocate a new structure to change indexing types during initialization. If this triggered a GC then we might scan our currently uninitialized array and crash. If we had a GCDeferralContext then we could avoid this.

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