diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch12/12.10/12.10-2-1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch12/12.10/12.10-2-1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,27 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10-2-1.js
+ * @description with - expression being Number
+ */
+
+
+function testcase() {
+  var o = 2;
+  var foo = 1;
+  try
+  {
+    with (o) {
+      foo = 42;
+    }
+  }
+  catch(e)
+  {
+  }
+  return true;
+  
+ }
+runTestCase(testcase);