[Bug rtl-optimization/58365] [4.7/4.8/4.9 Regression] likely wrong code bug

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58365

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 30781
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30781&action=edit
gcc49-pr58365.patch

Untested fix.