https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107085
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |INVALID Status|UNCONFIRMED |RESOLVED --- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- #include <type_traits> using namespace std; struct Base {}; struct Derived : Base {}; static_assert( conjunction_v<is_reference<Base&>, is_constructible<Base&, Derived>> ); This fails (as expected) and so the reference_constructs_from_temporary is required to be false.