diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testCaseAbort.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testCaseAbort.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+function testCaseAbort()
+{
+  var four = "4";
+  var r = 0;
+  for (var i = 0; i < 5; i++)
+  {
+    switch (i)
+    {
+      case four: r += 1; break;
+      default: r += 2; break;
+    }
+  }
+
+  return "" + r;
+}
+assertEq(testCaseAbort(), "10");