michael@0: // |jit-test| error:TypeError
michael@0: 
michael@0: // Binary: cache/js-dbg-64-1962ca549264-linux
michael@0: // Flags:
michael@0: //
michael@0: 
michael@0: var g = newGlobal();
michael@0: var dbg1 = new Debugger;
michael@0: var gw1 = dbg1.addDebuggee(g);
michael@0: var dbg2 = new Debugger;
michael@0: var gw2 = dbg2.addDebuggee((gw1.__proto__));