| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s |
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| 3 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s |
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| 4 | |
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| 5 | struct C { }; |
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| 6 | |
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| 7 | template<typename T> |
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| 8 | struct X0 { |
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| 9 | T value; // expected-error{{incomplete}} |
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| 10 | }; |
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| 11 | |
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| 12 | // Explicitly instantiate a class template specialization |
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| 13 | template struct X0<int>; |
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| 14 | template struct X0<void>; // expected-note{{instantiation}} |
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| 15 | |
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| 16 | // Explicitly instantiate a function template specialization |
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| 17 | template<typename T> |
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| 18 | void f0(T t) { |
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| 19 | ++t; // expected-error{{cannot increment}} |
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| 20 | } |
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| 21 | |
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| 22 | template void f0(int); |
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| 23 | template void f0<long>(long); |
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| 24 | template void f0<>(unsigned); |
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| 25 | template void f0(int C::*); // expected-note{{instantiation}} |
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| 26 | |
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| 27 | // Explicitly instantiate a member template specialization |
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| 28 | template<typename T> |
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| 29 | struct X1 { |
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| 30 | template<typename U> |
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| 31 | struct Inner { |
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| 32 | T member1; |
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| 33 | U member2; // expected-error{{incomplete}} |
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| 34 | }; |
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| 35 | |
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| 36 | template<typename U> |
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| 37 | void f(T& t, U u) { |
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| 38 | t = u; // expected-error{{incompatible}} |
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| 39 | } |
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| 40 | }; |
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| 41 | |
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| 42 | template struct X1<int>::Inner<float>; |
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| 43 | template struct X1<int>::Inner<double>; |
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| 44 | template struct X1<int>::Inner<void>; // expected-note{{instantiation}} |
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| 45 | |
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| 46 | template void X1<int>::f(int&, float); |
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| 47 | template void X1<int>::f<long>(int&, long); |
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| 48 | template void X1<int>::f<>(int&, double); |
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| 49 | template void X1<int>::f<>(int&, int*); // expected-note{{instantiation}} |
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| 50 | |
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| 51 | // Explicitly instantiate members of a class template |
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| 52 | struct Incomplete; // expected-note{{forward declaration}} |
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| 53 | struct NonDefaultConstructible { // expected-note{{candidate constructor (the implicit copy constructor) not viable}} |
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| 54 | #if __cplusplus >= 201103L // C++11 or later |
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| 55 | // expected-note@-2 {{candidate constructor (the implicit move constructor) not viable}} |
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| 56 | #endif |
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| 57 | NonDefaultConstructible(int); // expected-note{{candidate constructor}} |
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| 58 | }; |
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| 59 | |
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| 60 | template<typename T, typename U> |
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| 61 | struct X2 { |
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| 62 | void f(T &t, U u) { |
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| 63 | t = u; // expected-error{{incompatible}} |
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| 64 | } |
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| 65 | |
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| 66 | struct Inner { |
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| 67 | T member1; |
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| 68 | U member2; // expected-error{{incomplete}} |
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| 69 | }; |
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| 70 | |
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| 71 | static T static_member1; |
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| 72 | static U static_member2; |
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| 73 | }; |
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| 74 | |
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| 75 | template<typename T, typename U> |
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| 76 | T X2<T, U>::static_member1 = 17; // expected-error{{cannot initialize}} |
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| 77 | |
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| 78 | template<typename T, typename U> |
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| 79 | U X2<T, U>::static_member2; // expected-error{{no matching}} |
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| 80 | |
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| 81 | template void X2<int, float>::f(int &, float); |
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| 82 | template void X2<int, float>::f(int &, double); // expected-error{{does not refer}} |
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| 83 | template void X2<int, int*>::f(int&, int*); // expected-note{{instantiation}} |
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| 84 | |
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| 85 | template struct X2<int, float>::Inner; |
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| 86 | template struct X2<int, Incomplete>::Inner; // expected-note{{instantiation}} |
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| 87 | |
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| 88 | template int X2<int, float>::static_member1; |
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| 89 | template int* X2<int*, float>::static_member1; // expected-note{{instantiation}} |
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| 90 | template |
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| 91 | NonDefaultConstructible X2<NonDefaultConstructible, int>::static_member1; |
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| 92 | |
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| 93 | template |
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| 94 | NonDefaultConstructible X2<int, NonDefaultConstructible>::static_member2; // expected-note{{instantiation}} |
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| 95 | |
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