| // RUN: %clang_cc1 -std=c++11 -verify %s |
| |
| namespace std_example { |
| struct A { A(int); }; |
| struct B : A { using A::A; }; |
| |
| struct C1 : B { using B::B; }; |
| struct C2 : B { using B::B; }; |
| |
| struct D1 : C1, C2 { |
| using C1::C1; // expected-note {{inherited from base class 'C1' here}} |
| using C2::C2; // expected-note {{inherited from base class 'C2' here}} |
| }; |
| |
| struct V1 : virtual B { using B::B; }; |
| struct V2 : virtual B { using B::B; }; |
| |
| struct D2 : V1, V2 { |
| using V1::V1; |
| using V2::V2; |
| }; |
| |
| D1 d1(0); // expected-error {{constructor of 'A' inherited from multiple base class subobjects}} |
| D2 d2(0); // OK: initializes virtual B base class, which initializes the A base class |
| // then initializes the V1 and V2 base classes as if by a defaulted default constructor |
| |
| struct M { M(); M(int); }; |
| struct N : M { using M::M; }; |
| struct O : M {}; |
| struct P : N, O { using N::N; using O::O; }; |
| P p(0); // OK: use M(0) to initialize N's base class, |
| // use M() to initialize O's base class |
| } |