1 // RUN: %clang_cc1 -fsyntax-only %s -Wall 2 3 template <typename T> class A { struct { }; }; 4 5 A<int> a0; 6 7 template <typename T> struct B { 8 union { 9 int a; 10 void* b; 11 }; 12 13 void f() { 14 a = 10; 15 b = 0; 16 } 17 }; 18 19 B<int> b0; 20 21 template <typename T> struct C { 22 union { 23 int a; 24 void* b; 25 }; 26 27 C(int a) : a(a) { } 28 C(void* b) : b(b) { } 29 }; 30 31 C<int> c0(0); 32 33 namespace PR7088 { 34 template<typename T> 35 void f() { 36 union { 37 int a; 38 union { 39 float real; 40 T d; 41 }; 42 }; 43 44 a = 17; 45 d = 3.14; 46 } 47 48 template void f<double>(); 49 } 50 51 // Check for problems related to PR7402 that occur when template instantiation 52 // instantiates implicit initializers. 53 namespace PR7402 { 54 struct X { 55 union { 56 struct { 57 int x; 58 int y; 59 }; 60 int v[2]; 61 }; 62 63 // Check that this requirement survives instantiation. 64 template <typename T> X(const T& t) : x(t), y(t) {} 65 }; 66 67 X x(42.0); 68 } 69 70 namespace PR9188 { 71 struct X0 { 72 union { 73 int member; 74 }; 75 }; 76 77 static union { 78 int global; 79 }; 80 81 struct X1 : X0 { 82 template<typename T> 83 int f() { 84 return this->X0::member + PR9188::global; 85 } 86 }; 87 88 template int X1::f<int>(); 89 } 90
