diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug536748.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug536748.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+// Do not assert.
+
+var s = "a";
+var b = 32767;
+
+for (var i = 0; i < 10; ++i) {
+  b = b & s.charCodeAt();
+}