[Bug tree-optimization/84505] [8 Regression] store-merging miscompilation on i586 in xemacs package starting with r254391

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84505

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Might very well be a dup of PR84503, let me finish up the patch.