[Bug tree-optimization/94621] [9/10 Regression] GCC 9.2.1 segfaults when compiling file with -O3 since r9-5354

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94621

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 48294
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48294&action=edit
gcc10-pr94621.patch

Untested fix.