diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug719750.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug719750.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+function f( )  {
+  var [ [x], e ]  = ["*", "/", "%"];
+    function h() {
+      for (var i = 0; i < 5; ++i) {
+        x = i * 2;
+      }
+    }
+    h();
+  assertEq(x, 8);
+} 
+f();
+