clang/test/CXX/special/class.inhctor/p7.cpp

   1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
   2 //
   3 // Note: [class.inhctor] was removed by P0136R1. This tests the new behavior
   4 // for the wording that used to be there.
   5
   6 struct B1 {
   7   B1(int); // expected-note {{candidate}}
   8 };
   9 struct B2 {
  10   B2(int); // expected-note {{candidate}}
  11 };
  12 struct D1 : B1, B2 {
  13   using B1::B1; // expected-note {{inherited here}}
  14   using B2::B2; // expected-note {{inherited here}}
  15 };
  16 struct D2 : B1, B2 {
  17   using B1::B1;
  18   using B2::B2;
  19   D2(int);
  20 };
  21 D1 d1(0); // expected-error {{ambiguous}}
  22 D2 d2(0);
  23
  24 template<typename T> struct B3 {
  25   B3(T);
  26 };
  27 template<typename T> struct B4 : B3<T>, B1 {
  28   B4();
  29   using B3<T>::B3;
  30   using B1::B1;
  31 };
  32 B4<char> b4c;
  33 B4<int> b4i;
  34
  35 struct B5 {
  36   template<typename T> B5(T);
  37 };
  38 struct D6 : B5 {
  39   using B5::B5;
  40   template<typename T> D6(T);
  41 };
  42 D6 d6(0);
  43 struct D7 : B5 {
  44   using B5::B5;
  45   template<typename T> D7(T, ...);
  46 };
  47 // DRxxx (no number yet): derived class ctor beats base class ctor.
  48 D7 d7(0);