This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/38984] [4.2/4.3/4.4 Regression] NULL pointers always considered distinct by PTA, even with -fno-delete-null-pointer-checks
- From: "bonzini at gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 27 Jan 2009 11:09:53 -0000
- Subject: [Bug tree-optimization/38984] [4.2/4.3/4.4 Regression] NULL pointers always considered distinct by PTA, even with -fno-delete-null-pointer-checks
- References: <bug-38984-7849@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from bonzini at gnu dot org 2009-01-27 11:09 -------
I don't think CCPing of the "null" variable is a problem. Writing it as "*(int
*)0 = 5" would not make the testcase invalid.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38984