[Bug c++/109247] [13 Regression] optional o; o = {x}; wants to use explicit optional(U) constructor since r13-6765-ga226590fefb35ed6

[ppalka at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109247

Patrick Palka <ppalka at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ppalka at gcc dot gnu.org
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=84849

--- Comment #3 from Patrick Palka <ppalka at gcc dot gnu.org> ---
PR84849 seems related, especially the comment #5 testcase from ensadc:

template<class>
struct in_place_type_t { explicit in_place_type_t() = default; };

struct A { };

int f(A);
int f(in_place_type_t<A>);

int x = f({});