clang/test/SemaTemplate/instantiate-expr-5.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 template <class A> int x(A x) { return x++; }
   4 int y() { return x<int>(1); }
   5
   6 namespace PR5880 {
   7   template<typename T>
   8   struct A {
   9     static const int a  = __builtin_offsetof(T, a.array[5].m); // expected-error{{no member named 'a' in 'HasM'}}
  10   };
  11   struct HasM {
  12     float m;
  13   };
  14
  15   struct ArrayOfHasM {
  16     HasM array[10];
  17   };
  18
  19   struct B { ArrayOfHasM a; };
  20   A<B> x;
  21   A<HasM> x2; // expected-note{{in instantiation of}}
  22
  23   template<typename T>
  24   struct AnonymousUnion {
  25     union {
  26       int i;
  27       float f;
  28     };
  29   };
  30
  31   template<typename T>
  32   void test_anon_union() {
  33     int array1[__builtin_offsetof(AnonymousUnion<T>, f) == 0? 1 : -1];
  34     int array2[__builtin_offsetof(AnonymousUnion<int>, f) == 0? 1 : -1];
  35   }
  36
  37   template void test_anon_union<int>();
  38 }
  39
  40 namespace AddrOfClassMember {
  41   template <typename T> struct S {
  42     int n;
  43     static void f() {
  44       +T::n; // expected-error {{invalid use of member}}
  45     }
  46   };
  47   void g() { S<S<int> >::f(); } // expected-note {{in instantiation of}}
  48 }