https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65154
--- Comment #6 from Jason Merrill <jason at gcc dot gnu.org> ---
(In reply to Mikhail Maltsev from comment #5)
> We'll get 1000 calls to ss() in main instead of calling default c-tor of
> struct C. (which is probably not what we want).
Agreed, we ought to use the default constructor for {}-initialization when we
can.
