diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testBug474769.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testBug474769.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+delete b;
+delete q;
+
+for each (testBug474769_b in [1, 1, 1, 1.5, 1, 1]) {
+    (function() { for each (let testBug474769_h in [0, 0, 1.4, ""]) {} })()
+}
+function testBug474769() {
+    return testBug474769_b;
+}
+assertEq(testBug474769(), 1);