[Bug rtl-optimization/61673] [4.9/4.10 Regression] Miscompilation of _gnutls_hostname_compare on s390

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61673

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 33050
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33050&action=edit
gcc49-pr61673.patch

Untested fix.