https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69736
Patrick Palka <ppalka at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ppalka at gcc dot gnu.org --- Comment #6 from Patrick Palka <ppalka at gcc dot gnu.org> --- Seems to only happen when fn1 is not overloaded. If it is overloaded then the code is accepted in C++14: void fn1(int, int); void fn1(bool = true) { (fn1)(); }