diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug581936.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug581936.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+function returnZero() { return 0; } 
+function test() {
+  var a = "a";
+  var b = "b";
+  if (returnZero()) {
+    return a + b;
+  } else {
+    return b + a;
+  }
+}
+assertEq(test(), "ba");
+