--- /dev/null
+function Cons1() {
+}
+Cons1.prototype.f = 42;
+
+function Cons2() {
+}
+Cons2.prototype.__defineGetter__("f", function() {
+ counter++;
+ return 84;
+});
+
+function foo(o) {
+ return o.f;
+}
+
+noInline(foo);
+
+var counter = 0;
+
+function test(o, expected, expectedCount) {
+ var result = foo(o);
+ if (result != expected)
+ throw new Error("Bad result: " + result);
+ if (counter != expectedCount)
+ throw new Error("Bad counter value: " + counter);
+}
+
+for (var i = 0; i < 100000; ++i) {
+ test(new Cons1(), 42, counter);
+ test(new Cons2(), 84, counter + 1);
+
+ var o = {};
+ o.__defineGetter__("f", function() {
+ counter++;
+ return 84;
+ });
+ test(o, 84, counter + 1);
+
+ test({f: 42}, 42, counter);
+}