michael@0: // Don't crash
michael@0: 
michael@0: function f(o, s) {
michael@0:     var k = s.substr(0, 1);
michael@0:     var c;
michael@0:     for (var i = 0; i < 10; ++i) {
michael@0: 	c = k in o;
michael@0:     }
michael@0:     return c;
michael@0: }
michael@0: 
michael@0: assertEq(f({ a: 66 }, 'abc'), true);