1// RUN: %clang_cc1 -std=c++11 %s -verify 2// expected-no-diagnostics 3 4// C++98 [class.copy]p5 / C++11 [class.copy]p8. 5 6// The implicitly-declared copy constructor for a class X will have the form 7// X::X(const X&) 8// if [every direct subobject] has a copy constructor whose first parameter is 9// of type 'const volatile[opt] T &'. Otherwise, it will have the form 10// X::X(X&) 11 12struct ConstCopy { 13 ConstCopy(const ConstCopy &); 14}; 15 16struct NonConstCopy { 17 NonConstCopy(NonConstCopy &); 18}; 19 20struct DeletedConstCopy { 21 DeletedConstCopy(const DeletedConstCopy &) = delete; 22}; 23 24struct DeletedNonConstCopy { 25 DeletedNonConstCopy(DeletedNonConstCopy &) = delete; 26}; 27 28struct ImplicitlyDeletedConstCopy { 29 ImplicitlyDeletedConstCopy(ImplicitlyDeletedConstCopy &&); 30}; 31 32 33struct A : ConstCopy {}; 34struct B : NonConstCopy { ConstCopy a; }; 35struct C : ConstCopy { NonConstCopy a; }; 36struct D : DeletedConstCopy {}; 37struct E : DeletedNonConstCopy {}; 38struct F { ImplicitlyDeletedConstCopy a; }; 39struct G : virtual B {}; 40 41struct Test { 42 friend A::A(const A &); 43 friend B::B(B &); 44 friend C::C(C &); 45 friend D::D(const D &); 46 friend E::E(E &); 47 constexpr friend F::F(const F &); 48 friend G::G(G &); 49}; 50