1 // PR c++/70001 2 3 // This is still slow to compile, only run it once. 4 // { dg-do compile { target c++14_only } } 5 6 struct B 7 { 8 int a; BB9 constexpr B () : a (0) { } 10 }; 11 12 struct A 13 { 14 B b[1 << 19][1][1][1]; 15 } c; 16