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[Bug c++/50115] Integer test optimised away at -O2 by the VRP
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 18 Aug 2011 11:20:08 +0000
- Subject: [Bug c++/50115] Integer test optimised away at -O2 by the VRP
- Auto-submitted: auto-generated
- References: <bug-50115-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50115
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |jakub at gcc dot gnu.org
Resolution| |INVALID
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-08-18 11:20:08 UTC ---
In C/C++, signed integer overflow is undefined behavior, therefore it is a bug
in your testcase, rather than in GCC.