diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/getelem-string.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/getelem-string.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+function test1() {
+    function getchar(s, i) {
+        return s[i];
+    }
+    for (var i=0; i<70; i++) {
+        assertEq(getchar("foo", 0), "f");
+        assertEq(getchar("bar", 2), "r");
+    }
+    assertEq(getchar("foo", 3), undefined);
+}
+test1();