https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101995
--- Comment #7 from Segher Boessenkool <segher at gcc dot gnu.org> --- I don't see any problem with aarch64 fwiw. If RA decides it does not want to tie the new pseudo to the argument register, it may have a reason for it? Or suboptimal heuristics. What is this REG_RETURNED thing?
