1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 template<typename T> inline void f(T) { } 4 template void f(int); // expected-note{{previous explicit instantiation}} 5 template void f(int); // expected-error{{duplicate explicit instantiation}} 6 7 template<typename T> 8 struct X0 { 9 union Inner { }; 10 11 void f(T) { } 12 13 static T value; 14 }; 15 16 template<typename T> 17 T X0<T>::value = 3.14; // expected-warning{{implicit conversion from 'double' to 'int' changes value from 3.14 to 3}} 18 19 template struct X0<int>; // expected-note{{previous explicit instantiation}} \ 20 expected-note{{requested here}} 21 template struct X0<int>; // expected-error{{duplicate explicit instantiation}} 22 23 template void X0<float>::f(float); // expected-note{{previous explicit instantiation}} 24 template void X0<float>::f(float); // expected-error{{duplicate explicit instantiation}} 25 26 template union X0<float>::Inner; // expected-note{{previous explicit instantiation}} 27 template union X0<float>::Inner; // expected-error{{duplicate explicit instantiation}} 28 29 template float X0<float>::value; // expected-note{{previous explicit instantiation}} 30 template float X0<float>::value; // expected-error{{duplicate explicit instantiation}} 31 32 // Make sure that we don't get tricked by redeclarations of nested classes. 33 namespace NestedClassRedecls { 34 template<typename T> 35 struct X { 36 struct Nested; 37 friend struct Nested; 38 39 struct Nested { 40 Nested() {} 41 } nested; 42 }; 43 44 X<int> xi; 45 46 template struct X<int>; 47 } 48
