[Bug rtl-optimization/122992] speed up loops with TEST_HARD_REG_BIT using EXECUTE_IF_SET_IN_HARD_REG_SET

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122992

--- Comment #22 from Drea Pinski <pinskia at gcc dot gnu.org> ---
Note I am debugging the aarch64 bootstrap failure linked to this fix.
I hope to get some information on what was missed soon.