[Webkit-unassigned] [Bug 79938] New: 'source' property of RegExp instance cannot be ""

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=79938

           Summary: 'source' property of RegExp instance cannot be ""
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: barraclough at apple.com


15.10.6.4 specifies that RegExp.prototype.toString must return '/' + source + '/', and also states that the result must be a valid RegularExpressionLiteral. '//' is not a valid RegularExpressionLiteral (since it is a single line comment), and hence source cannot ever validly be "". If the source is empty, return a different Pattern that would match the same thing.

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