diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/recompile/getelem.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/recompile/getelem.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+
+/* Unexpected values out of GETELEM */
+
+function foo() {
+  var x = [1,2,3];
+  var y;
+  var z = x[y];
+  y = 10;
+  assertEq(z, "twelve");
+}
+Array.prototype["undefined"] = "twelve";
+foo();
+
+function fna() {
+  var a = {};
+  a[true] = 1;
+  assertEq(a["true"], 1);
+}
+fna();
+
+function fnb() {
+  var a = [];
+  a[1.1] = 2;
+  assertEq(a["1.1"], 2);
+}
+fnb();