[Bug rtl-optimization/100148] [10/11/12 Regression] -fcompare-debug failure (length) with -O2 -fno-dce -fno-tree-dce -fno-tree-dominator-opts -fno-tree-sink

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100148

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 50637
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50637&action=edit
gcc11-pr100148.patch

Untested fix.