diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug653249.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug653249.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+
+function testUnaryImacros() {
+    function checkArg(x) {
+        o = {
+            valueOf: checkArg
+        }
+    }
+    var v = 0;
+    v += +toString;
+    for (var i = 0; i;) {
+        v += [].checkArg.checkArg;
+    }
+}(testUnaryImacros(), "valueOf passed, toString passed");