[Bug rtl-optimization/123048] [16 regression] wrong code at -O3 with -fschedule-insns on x86_64-linux-gnu since r16-4186

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123048

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The first changes between r16-4185 and r16-4186 are in the IRA dump (except for
bb counts).

What do you mean by #c4 comment?