[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

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|mkuvyrkov at gcc dot gnu.org       |jakub at gcc dot gnu.org

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Ah, actually the bug is really in the cross-jumping, in this case that it
hasn't cleared MEM_READONLY_P.  While x7 is read-only, x6 is not, so
merge_memattrs should combine that to !MEM_READONLY_P.