michael@0: // Bug 717104 - Unreachable debuggee globals should not keep their debuggers
michael@0: // alive. The loop is to defeat conservative stack scanning; if the same stack
michael@0: // locations are used each time through the loop, at least three of the
michael@0: // debuggers should be collected.
michael@0: //
michael@0: // This is a slight modification of gc-09.js, which contains a cycle.
michael@0: 
michael@0: for (var i = 0; i < 4; i++) {
michael@0:     var g = newGlobal();
michael@0:     var dbg = new Debugger(g);
michael@0:     dbg.onDebuggerStatement = function () { throw "FAIL"; };
michael@0:     dbg.o = makeFinalizeObserver();
michael@0: }
michael@0: 
michael@0: gc();
michael@0: assertEq(finalizeCount() > 0, true);