diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug703376.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug703376.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,29 @@
+var global = 1;
+
+function test1(x) {
+    global = 2;
+    var k = global;
+    global = x;
+    global = x + 1;
+    k = global + global;
+    return k;
+}
+
+for (var i=0; i<60; i++) {
+    assertEq(test1(i), i + 1 + i + 1);
+}
+
+function test2(x) {
+    global = 2;
+    var k = global;
+
+    for (var i=0; i<10; i++) {
+        k = global;
+        global = i + x;
+    }
+    return k;
+}
+
+for (i=0; i<50; i++) {
+    assertEq(test2(i), i + 8);
+}