[Bug tree-optimization/52275] The polyhedron test air.f90 is miscompiled with '-O2 -floop-flatten' after revision 184265

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52275

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

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

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-16 13:32:29 UTC ---
If I apply the pseudo-patch at the end, air still works fine at -O3 or -O2 on
x86_64-linux.  So, what exactly is miscompiled with that patch applied?  -O2
-fgraphite-identity?  Something else?