clang/test/SemaTemplate/elaborated-type-specifier.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 namespace PR6915 {
   4   template <typename T>
   5   class D {
   6     enum T::X v; // expected-error{{use of 'X' with tag type that does not match previous declaration}} \
   7     // expected-error{{no enum named 'X' in 'PR6915::D3'}}
   8   };
   9
  10   struct D1 {
  11     enum X { value };
  12   };
  13   struct D2 {
  14     class X { }; // expected-note{{previous use is here}}
  15   };
  16   struct D3 { };
  17
  18   template class D<D1>;
  19   template class D<D2>; // expected-note{{in instantiation of}}
  20   template class D<D3>; // expected-note{{in instantiation of}}
  21 }
  22
  23 template<typename T>
  24 struct DeclOrDef {
  25   enum T::foo; // expected-error{{nested name specifier for a declaration cannot depend on a template parameter}}
  26                // expected-error@-1{{forward declaration of enum cannot have a nested name specifier}}
  27   enum T::bar { // expected-error{{nested name specifier for a declaration cannot depend on a template parameter}}
  28     value
  29   };
  30 };
  31
  32 namespace PR6649 {
  33   template <typename T> struct foo {
  34     class T::bar;  // expected-error{{nested name specifier for a declaration cannot depend on a template parameter}}
  35                    // expected-error@-1{{forward declaration of class cannot have a nested name specifier}}
  36     class T::bar { int x; }; // expected-error{{nested name specifier for a declaration cannot depend on a template parameter}}
  37   };
  38 }
  39
  40 namespace rdar8568507 {
  41   template <class T> struct A *makeA(T t);
  42 }