https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86505
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |9.0 Summary|[6/7/8/9 Regression] |[6/7/8 Regression] |__builtin_va_arg_pack_len() |__builtin_va_arg_pack_len() |computes the number of |computes the number of |arguments wrongly |arguments wrongly Known to fail|9.0 | --- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- Fixed on trunk sofar.