[Bug rtl-optimization/101995] [9/10/11/12 Regression] regression built-in memset missed-optimization arm -Os since r9-3594

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101995

--- Comment #9 from Segher Boessenkool <segher at gcc dot gnu.org> ---
(In reply to Segher Boessenkool from comment #7)
> What is this REG_RETURNED thing?

Ah, something added in ira-lives.c, and you call *that* code fragile?
I agree :-)