clang/test/SemaTemplate/anonymous-union.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 // PR5868
   4 struct T0 {
   5   int x;
   6   union {
   7     void *m0;
   8   };
   9 };
  10 template <typename T>
  11 struct T1 : public T0, public T { //expected-warning{{direct base 'T0' is inaccessible due to ambiguity:\n    struct T1<struct A> -> T0\n    struct T1<struct A> -> A -> T0}}
  12   void f0() {
  13     m0 = 0; // expected-error{{ambiguous conversion}}
  14   }
  15 };
  16
  17 struct A : public T0 { };
  18
  19 void f1(T1<A> *S) { S->f0(); } // expected-note{{instantiation of member function}} expected-note{{in instantiation of template class 'T1<A>' requested here}}
  20
  21 namespace rdar8635664 {
  22   template<typename T>
  23   struct X {
  24     struct inner;
  25
  26     struct inner {
  27       union {
  28         int x;
  29         float y;
  30       };
  31
  32       typedef T type;
  33     };
  34   };
  35
  36   void test() {
  37     X<int>::inner i;
  38     i.x = 0;
  39   }
  40 }