[Bug target/91720] [10 Regression] wrong code with -Og -fno-forward-propagate -frerun-cse-after-loop -fno-tree-fre

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91720

--- Comment #2 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Isn't this *exactly* what WORD_REGISTER_OPERATIONS says is okay to do?