[Bug tree-optimization/89505] [9 Regression] LibreOffice miscompilation starting with r260383

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89505

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 45824
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45824&action=edit
patch I am testing