[Webkit-unassigned] [Bug 64652] New: Some regexps are much slower in jsc than in v8

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=64652

           Summary: Some regexps are much slower in jsc than in v8
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
               URL: https://bugzilla.mozilla.org/show_bug.cgi?id=672064
        OS/Version: Unspecified
            Status: NEW
          Keywords: NeedsRadar
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: oliver at apple.com
                CC: ggaren at apple.com, sayrer at gmail.com, msaboff at apple.com


Mozilla has a bug report (https://bugzilla.mozilla.org/show_bug.cgi?id=672064) showing us to be an order of magnitude or so slower than V8.  RegExps are being blamed, but  there's no sample so it could be something else.  Currently though i'll assume regexp's are at fault.

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