//@ runDefault("--useConcurrentJIT=0", "--usePutStackSinking=0") function foo() { var args1 = function () { return arguments; }(); var args2 = function () { var result = arguments; result.length = 1; return result; }(1); for (var i = 0; i < 10000000; ++i) { args1.length; args2.length; } } foo(); foo(); foo();