[Webkit-unassigned] [Bug 17936] New: "ASSERTION FAILED: false" (GetterSetterImp::toObject is called)

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=17936

           Summary: "ASSERTION FAILED: false" (GetterSetterImp::toObject is
                    called)
           Product: WebKit
           Version: 526+ (Nightly build)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Keywords: HasReduction
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jruderman at gmail.com
OtherBugsDependingO 13638
             nThis:


testkjs doesn't like this script.

b = 3;
this.__defineSetter__("a", function() {});
this.__defineSetter__("b", function() {});
delete a;
b.c;


A Debug build of testkjs exits, saying

ASSERTION FAILED: false
(/Users/jruderman/WebKit/JavaScriptCore/kjs/internal.cpp:191 virtual
KJS::JSObject* KJS::GetterSetterImp::toObject(KJS::ExecState*) const)

A Release build of testjks says "TypeError: Null value" when perhaps it should
say "TypeError: Undefined value", but nothing really bad happens.


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