https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94885
Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[10/11 Regression] |[10 Regression] Functional |Functional cast from int to |cast from int to empty |empty class type with empty |class type with empty base |base incorrectly accepted |incorrectly accepted with |with -std=c++2a |-std=c++2a --- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Fixed on trunk so far.