// PR c++/88337 - Implement P1327R1: Allow dynamic_cast/typeid in constexpr. // { dg-do compile { target c++20 } } // dynamic_cast in a destructor. struct A2 { virtual void a2(); }; struct A : A2 { virtual void a(); }; struct C2 { virtual void c2(); }; struct B : A, C2 { constexpr ~B(); }; constexpr B::~B() { A *a = dynamic_cast((C2*)this); if (a != (A*) this) __builtin_abort (); A& ar = dynamic_cast((C2&)*this); if (&ar != &(A&)*this) __builtin_abort (); } struct D : B { virtual void d(); }; constexpr D d;