[Bug rtl-optimization/90082] [9 Regression] ICE in delete_unmarked_insns, at dce.c:653

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90082

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 46167
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46167&action=edit
gcc9-pr90082.patch

Untested fix.