diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug897747.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug897747.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,6 @@
+function f(z)
+{
+  return (((0x80000000 | 0) % (0x80000001 | z)) | 0) % 100000
+}
+assertEq(f(0), -1);
+assertEq(f(0), -1);