[Bug tree-optimization/68951] [6 Regression] ICE in vect_update_misalignment_for_peel

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68951

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The ICE started with r229172.  Before that it just properly diagnosed the
undefined behavior:
pr68951.c: In function ‘fn1’:
pr68951.c:5:25: warning: iteration 1 invokes undefined behavior
[-Waggressive-loop-optimizations]
         g_534[i + 2][i] ^= 3;
                         ^
pr68951.c:4:5: note: within this loop
     for (i = 0; i < 4; i++)
     ^