[Webkit-unassigned] [Bug 61129] New: Matching of those patterns which contains empty alternatives fail with beginning character optimization
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu May 19 09:01:07 PDT 2011
https://bugs.webkit.org/show_bug.cgi?id=61129
Summary: Matching of those patterns which contains empty
alternatives fail with beginning character
optimization
Product: WebKit
Version: 528+ (Nightly build)
Platform: All
OS/Version: All
Status: NEW
Severity: Normal
Priority: P2
Component: JavaScriptCore
AssignedTo: webkit-unassigned at lists.webkit.org
ReportedBy: pvarga at webkit.org
CC: ggaren at apple.com, barraclough at apple.com,
zherczeg at webkit.org, msaboff at apple.com
E.g.:
"cd".match(/(ab|)cd);
result: null
expected: cd,
This failure appears since http://trac.webkit.org/changeset/86547 with Yarr Interpreter.
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