diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testDoubleComparison.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testDoubleComparison.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+function testDoubleComparison()
+{
+  for (var i = 0; i < 500000; ++i)
+  {
+    switch (1 / 0)
+    {
+      case Infinity:
+    }
+  }
+
+  return "finished";
+}
+assertEq(testDoubleComparison(), "finished");