diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug767074.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug767074.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+var callStack = new Array();
+function exitFunc (funcName) {
+  var lastFunc = callStack.pop();
+}
+gczeal(4);
+var sb = evalcx('');
+sb.parent = this;
+this.f = function name(outer) {
+        return (exitFunc ('test'));
+}
+evalcx('this.f = parent.f; var s = ""; for (i = 0; i < 10; ++i) s += f(true); s', sb);