diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testBug466128.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testBug466128.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,9 @@
+//test no multitrees assert
+function testBug466128() {
+    for (let a = 0; a < 3; ++a) {
+      for each (let b in [1, 2, "three", 4, 5, 6, 7, 8]) {
+      }
+    }
+    return true;
+}
+assertEq(testBug466128(), true);