| 1 | // RUN: %clang_cc1 -fsyntax-only -verify -pedantic -Wc++11-compat %s |
| 2 | // RUN: %clang_cc1 -fsyntax-only -verify -pedantic -std=c++98 -Wc++11-compat %s |
| 3 | // RUN: %clang_cc1 -fsyntax-only -verify -pedantic -std=c++11 %s |
| 4 | |
| 5 | // Example from the standard |
| 6 | template<class T> class Array { void mf() { } }; |
| 7 | |
| 8 | template class Array<char>; |
| 9 | template void Array<int>::mf(); |
| 10 | template<class T> void sort(Array<T>& v) { /* ... */ } |
| 11 | template void sort(Array<char>&); |
| 12 | namespace N { |
| 13 | template<class T> void f(T&) { } |
| 14 | } |
| 15 | template void N::f<int>(int&); |
| 16 | |
| 17 | |
| 18 | template<typename T> |
| 19 | struct X0 { |
| 20 | struct Inner {}; |
| 21 | void f() { } |
| 22 | static T value; |
| 23 | }; |
| 24 | |
| 25 | template<typename T> |
| 26 | T X0<T>::value = 17; |
| 27 | |
| 28 | typedef X0<int> XInt; |
| 29 | |
| 30 | template struct XInt::Inner; // expected-warning{{template-id}} |
| 31 | template void XInt::f(); // expected-warning{{template-id}} |
| 32 | template int XInt::value; // expected-warning{{template-id}} |
| 33 | |
| 34 | namespace N { |
| 35 | template<typename T> |
| 36 | struct X1 { // expected-note{{explicit instantiation refers here}} |
| 37 | }; |
| 38 | |
| 39 | template<typename T> |
| 40 | void f1(T) {} // expected-note{{explicit instantiation refers here}} |
| 41 | } |
| 42 | using namespace N; |
| 43 | |
| 44 | template struct X1<int>; |
| 45 | #if __cplusplus <= 199711L |
| 46 | // expected-warning@-2 {{explicit instantiation of 'N::X1' must occur in namespace 'N'}} |
| 47 | #else |
| 48 | // expected-error@-4 {{explicit instantiation of 'N::X1' must occur in namespace 'N'}} |
| 49 | #endif |
| 50 | |
| 51 | template void f1(int); |
| 52 | #if __cplusplus <= 199711L |
| 53 | // expected-warning@-2 {{explicit instantiation of 'N::f1' must occur in namespace 'N'}} |
| 54 | #else |
| 55 | // expected-error@-4 {{explicit instantiation of 'N::f1' must occur in namespace 'N'}} |
| 56 | #endif |
| 57 | |