[Bug c++/98353] [8/9/10/11 Regression] ICE in propagate_necessity, at tree-ssa-dce.c:1053 since r6-4886-gcda0a029f45d20f4

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98353

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 49820
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49820&action=edit
gcc11-pr98353.patch

Untested fix for the gimplifier.