diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/asm.js/testBug878495.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/asm.js/testBug878495.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+var disassemble = disassemble || false;
+if (disassemble)
+{
+    disassemble("-r", (function() {
+        (function() {
+            "use asm"
+            return {}
+        })()
+    }))
+}