[Bug c/16351] NULL dereference warnings

[law at redhat dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16351

--- Comment #16 from Jeffrey A. Law <law at redhat dot com> ---
Created attachment 31928
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31928&action=edit
Work-In-Progress patch