[Webkit-unassigned] [Bug 41458] New: Yarr Interpreter is crashing in some cases of look-ahead regex patterns

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=41458

           Summary: Yarr Interpreter is crashing in some cases of
                    look-ahead regex patterns
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: pvarga at inf.u-szeged.hu
                CC: ggaren at apple.com, barraclough at apple.com,
                    zherczeg at webkit.org


The Yarr Interpreter is crashing with "*** glibc detected ***" backtrace on
stdout in some cases of patterns which contain look-ahead assertion.

Eg.:
"ab".match(/a(?=b|c)/)

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