diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug645293.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug645293.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+/* Don't assert. */
+function f() {
+    NaN++;
+    --NaN;
+    Infinity--;
+    ++Infinity;
+    undefined++;
+    --undefined;
+    ++Math;
+    Math--;
+}
+f();
\ No newline at end of file