https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110513
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Reduced slightly more: ``` template<bool a> struct bool_const1 {}; struct B { bool b = true; }; // error in GCC static_assert( requires() { bool_const1<B{}.b>{}; } ); ```