[Bug middle-end/50178] [4.6 regression] ICE with gfortran -O3, not with gfortran -02

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50178

Tobias Burnus <burnus at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
                 CC|                            |burnus at gcc dot gnu.org

--- Comment #2 from Tobias Burnus <burnus at gcc dot gnu.org> 2011-08-24 17:42:00 UTC ---
>From http://gcc.gnu.org/ml/fortran/2011-08/msg00197.html

4.6.2-20110818 (Rev. 177878) crashes at:

==27008== Invalid read of size 8
==27008==    at 0x89A58F: vect_is_simple_use_1 (tree-vect-stmts.c:5346)
==27008==    by 0x89B4E5: vectorizable_operation (tree-vect-stmts.c:2440)
==27008==    by 0x89F452: vect_transform_stmt (tree-vect-stmts.c:4841)
==27008==    by 0x8ACB23: vect_transform_loop (tree-vect-loop.c:4872)
==27008==    by 0x8B66E9: vectorize_loops (tree-vectorizer.c:205)