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

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

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

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
For reference, it's find_call_crossed_cheap_reg finding (or not) such
candidate.