[Webkit-unassigned] [Bug 179929] New: [JSC] Implement optimized WeakMap and WeakSet

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=179929

            Bug ID: 179929
           Summary: [JSC] Implement optimized WeakMap and WeakSet
           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

We should do the similar thing to JSMap and JSSet.

Notes.

1. WeakMap does not have iterators. Thus, we do not need to maintain bucket's links.
2. Since we do not have iterators, we do not need to have bucket as cell.
3. Key is only JSObject*.

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