diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug740654.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug740654.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+// |jit-test| error:InternalError
+
+// Binary: cache/js-dbg-32-92fe907ddac8-linux
+// Flags: -m -n
+//
+o = {}
+o.valueOf = function() {
+    for (var p in undefined) {
+        a = new Function;
+    }
+    +o;
+};
++o;