[Bug c++/87150] [8/9 Regression] move ctor wrongly chosen in return stmt (derived vs. base)

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87150

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Right. CWG 1579 says we should move here:

struct A { };
struct B { B(A&&) { } };
B f() { A a; return a; }

That's a different case though.