[Bug c++/50115] Integer test optimised away at -O2 by the VRP

[jakub at gcc dot gnu.org]

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.