https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94685
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- This diagnostic seems wrong too: using A = int[1]; A a1{A{}}; ntconsarr.cc:1:26: error: taking address of temporary array 1 | using A = int[1]; A a1{A{}}; | ^~~