https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96787
--- Comment #7 from Bill Schmidt <wschmidt at gcc dot gnu.org> --- I believe the problem may be that rs6000_sibcall_aix doesn't contain any handling for indirect calls, whereas similar code for other ABIs, like rs6000_sibcall_sysv, does. Alan, does this make sense?