clang/test/CXX/basic/basic.scope/basic.scope.hiding/p2.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
   3 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
   4
   5 // rdar4641403
   6 namespace N {
   7   struct X { // expected-note{{candidate found by name lookup}}
   8     float b;
   9   };
  10 }
  11
  12 using namespace N;
  13
  14 typedef struct {
  15   int a;
  16 } X; // expected-note{{candidate found by name lookup}}
  17
  18
  19 struct Y { };
  20 void Y(int) { }
  21
  22 void f() {
  23   X *x; // expected-error{{reference to 'X' is ambiguous}}
  24   Y(1); // okay
  25 }
  26
  27 namespace PR17731 {
  28   void f() {
  29     struct S { S() {} };
  30     int S(void);
  31     int a = S();
  32     struct S b;
  33     {
  34       int S(void);
  35       int a = S();
  36       struct S c = b;
  37     }
  38     {
  39       struct S { S() {} }; // expected-note {{candidate constructor (the implicit copy constructor) not viable}}
  40 #if __cplusplus >= 201103L // C++11 or later
  41       // expected-note@-2 {{candidate constructor (the implicit move constructor) not viable}}
  42 #endif
  43       int a = S(); // expected-error {{no viable conversion from 'S'}}
  44       struct S c = b; // expected-error {{no viable conversion from 'struct S'}}
  45     }
  46   }
  47   void g() {
  48     int S(void);
  49     struct S { S() {} };
  50     int a = S();
  51     struct S b;
  52     {
  53       int S(void);
  54       int a = S();
  55       struct S c = b;
  56     }
  57     {
  58       struct S { S() {} }; // expected-note {{candidate constructor (the implicit copy constructor) not viable}}
  59 #if __cplusplus >= 201103L // C++11 or later
  60       // expected-note@-2 {{candidate constructor (the implicit move constructor) not viable}}
  61 #endif
  62       int a = S(); // expected-error {{no viable conversion from 'S'}}
  63       struct S c = b; // expected-error {{no viable conversion from 'struct S'}}
  64     }
  65   }
  66
  67   struct A {
  68     struct B;
  69     void f();
  70     int B;
  71   };
  72   struct A::B {};
  73   void A::f() {
  74     B = 123;
  75     struct B b;
  76   }
  77 }