clang/test/CXX/special/class.inhctor/p8.cpp

   1 // RUN: %clang_cc1 -std=c++11 -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 A {
   7   constexpr A(const int&) : rval(false) {}
   8   constexpr A(const int&&) : rval(true) {}
   9   bool rval;
  10 };
  11 struct B : A {
  12   using A::A;
  13 };
  14
  15 constexpr int k = 0;
  16 constexpr A a0{0};
  17 constexpr A a1{k};
  18 constexpr B b0{0};
  19 constexpr B b1{k};
  20
  21 static_assert(a0.rval && !a1.rval && b0.rval && !b1.rval, "");
  22
  23 struct C {
  24   template<typename T> constexpr C(T t) : v(t) {}
  25   int v;
  26 };
  27 struct D : C { // #defined-here
  28   using C::C;
  29 };
  30 static_assert(D(123).v == 123, "");
  31
  32 template<typename T> constexpr D::D(T t) : C(t) {} // expected-error {{does not match any declaration in 'D'}}
  33                                                    // expected-note@#defined-here {{defined here}}