[Bug c++/85577] list-initialization chooses initializer-list constructor

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85577

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
To construct an A you'd need to add:

A() = default;

But this might actually be INVALID, due to Core DR 2137.

I'll look into it tomorrow.