michael@0: var g = 0;
michael@0: Object.defineProperty(RegExp.prototype, 'test', { get:function() { ++g } });
michael@0: function f() {
michael@0:     for (var i = 0; i < 100; ++i)
michael@0:         /a/.exec('a');
michael@0: }
michael@0: f();
michael@0: assertEq(g, 0);