https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70001
Patrick Palka <ppalka at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ppalka at gcc dot gnu.org --- Comment #5 from Patrick Palka <ppalka at gcc dot gnu.org> --- A sufficiently large 1D array is sufficient as well as an element type that has a constexpr default constructor: #include <array> struct X { int a; constexpr X () : a (0) { } }; const int N = 1 << 19; std::array<X, N> F;