[Bug tree-optimization/59058] [4.7/4.8/4.9 Regression] wrong code at -O3 on x86_64-linux-gnu (affecting gcc 4.6 to trunk)

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59058

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 31259
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31259&action=edit
candidate patch

Candidate patch.

But I think it's better to remove this functions users.