libcxxabi PATCH: Fix for PR17223 - catching a base pointer when a derived null pointer was thrown

[Marshall Clow]

Turns out you have to treat NULL special.
Added a couple tests.

— Marshall

-------------- next part --------------
A non-text attachment was scrubbed...
Name: PR17223.patch
Type: application/octet-stream
Size: 1579 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20140205/21391911/attachment.obj>