[Bug tree-optimization/46928] data dependence analysis fails on constant array accesses

[spop at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46928

--- Comment #5 from Sebastian Pop <spop at gcc dot gnu.org> 2010-12-13 19:30:19 UTC ---
The code from comment #4 comes from 
./cc1 -O2 -ftree-loop-distribution -fdump-tree-ldist-details
as on -O3 we end up unrolling all the loops.