diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug587433.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug587433.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,15 @@
+// |jit-test| error:TypeError
+
+// Binary: cache/js-dbg-32-89b775191b9d-linux
+// Flags: -j
+//
+x = Proxy.create(function() {
+  return {
+    get: function() {}
+  };
+} ());
+for (var a = 0; a < 6; ++a) {
+  if (a == 3) {
+    x > ""
+  }
+}