mduigou [Fri, 01 Jun 2012 00:05:21 -0700] rev 12863
7173432: Handle null key at HashMap resize
Summary: If the key to be inserted into a HashMap is null and the table needs to be resized as part of the insertion then addEntry will try to recalculate the hash of a null key. This will fail with an NPE.
Reviewed-by: darcy