[Bug tree-optimization/58453] [4.9 Regression] Revision 202431 results in miscompare for CPU2006 434.zeusmp

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58453

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #7)
> Does the benchmark fail if you build with -ftree-loop-distribution
> -fno-tree-loop-distribute-patterns?  (it should emit a loop instead of the
> memcpy call)

of course not - we fuse the partitions because of the similar memory accesses
again.