[Bug c++/88165] error: default member initializer for 'A::B::m' required before the end of its enclosing class

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88165

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Maybe we need more delayed parsing here.