michael@0: // Don't assert in the decompiler.
michael@0: function f() {
michael@0:     var o = null;
michael@0: 
michael@0:     try {
michael@0: 	delete o.prop;
michael@0:     } catch(e) {}
michael@0: 
michael@0:     try {
michael@0: 	delete o[1];
michael@0:     } catch(e) {}
michael@0: 
michael@0:     try {
michael@0: 	o[{}]++;
michael@0:     } catch(e) {}
michael@0: }
michael@0: f();