[Bug tree-optimization/34169] Bad code generated with -O2

pinskia at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Wed Nov 21 00:18:00 GMT 2007



------- Comment #1 from pinskia at gcc dot gnu dot org  2007-11-21 00:18 -------
                ++*(int **)&a1;
                ++*(int **)&a2;

you are accessing a void* as an int* which violates C/C++ aliasing rules so you
are invoking undefined behavior.

*** This bug has been marked as a duplicate of 21920 ***


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |DUPLICATE


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34169



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