[Webkit-unassigned] [Bug 39289] New: Wrong result in case of non-iterative matching of subpatterns in non-greedy cases in YARR Interpreter

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=39289

           Summary: Wrong result in case of non-iterative matching of
                    subpatterns in non-greedy cases in YARR Interpreter
           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 start of the non-iterative matching of subpatterns isn't stored 
in case of non-greedy matching.

Eg.:
  print("ab".match(/(a)??b/));

Results:
  YARR Interpreter: ab,
  Expected: ab,a

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