diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug905166.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug905166.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,9 @@
+function test() {
+  LastIndexOf("hello");
+  LastIndexOf("hello");
+  eval("");
+  function LastIndexOf(s) {
+     x = Math.min(Math.max(Math.pow(-1, 0.5), 0), s.length);
+     0 <= x;
+  }
+} test();