[Webkit-unassigned] [Bug 142923] New: Merge PropertyName into Identifier

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=142923

            Bug ID: 142923
           Summary: Merge PropertyName into Identifier
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (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

PropertyName was introduced to treat non-indexed / indexed property. https://bugs.webkit.org/show_bug.cgi?id=86241
At that time, indexed/non-indexed abstract operations are not separated.
So PropertyName is needed to treat non-indexed / indexed properties.

However, now these abstract operations are separated. So there's no need to have both Identifier and PropertyName.
Thus we can merge PropertyName into Identifier.

And since PropertyName doesn't have onwership to its backing StringImpl*, it sometimes cause failures.
Merging PropertyName into Identifier elliminates this mistakes.

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