[Bug tree-optimization/49352] [4.7 Regression] -fcompare-debug failure with -O2 -ftree-vectorize

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49352

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-06-10 13:08:13 UTC ---
Actually, should vect_is_slp_reduction be called at all if check_reduction
is false?  I think without check_reduction e.g. nothing ensures that code is
commutative and associative...