diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/asm.js/testBug878435.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/asm.js/testBug878435.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+function g()
+{
+  "use asm";
+  function f()
+  {
+    return (0 > (0x80000000 | 0)) | 0;
+  }
+  return f;
+}
+
+assertEq(g()(), (0 > (0x80000000 | 0)) | 0);