[Webkit-unassigned] [Bug 150137] IdentifierRepHash has a mismatch between hash() and equal()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=150137

--- Comment #4 from Darin Adler <darin at apple.com> ---
As I recall, we were originally using PtrHash for this purpose (or a similar one in WebCore?) and Gavin changed to use the string hash instead to get a measurable performance boost. But I don’t think the change was to recompute a string hash each time; our strings memoize the result of the string hash function.

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