michael@0: actual = '';
michael@0: expected = 'a,';
michael@0: 
michael@0: function f() {
michael@0:   arguments;
michael@0: }
michael@0: 
michael@0: for (var i = 0; i < 1000; ++i) {
michael@0:   f(1, 2);
michael@0: }
michael@0: 
michael@0: appendToActual('a')
michael@0: 
michael@0: 
michael@0: assertEq(actual, expected)