1 // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++1z -triple=x86_64-linux-gnu 2 3 template <typename U, typename V> 4 struct S1 { 5 static constexpr const bool value = false; 6 }; 7 8 template <typename U, typename V> 9 inline constexpr bool global_inline_var = S1<U, V>::value; 10 11 template <typename T> 12 struct S2 { 13 template <typename U, typename V> 14 static inline constexpr bool var = global_inline_var<U, V>; 15 }; 16 17 template <typename U, typename V> 18 void foo() { 19 static_assert(S1<U, V>::value); 20 // expected-error@-1{{static_assert failed due to requirement 'S1<int, float>::value'}} 21 } 22 template void foo<int, float>(); 23 // expected-note@-1{{in instantiation of function template specialization 'foo<int, float>' requested here}} 24 25 template <typename U, typename V> 26 void foo2() { 27 static_assert(global_inline_var<U, V>); 28 // expected-error@-1{{static_assert failed due to requirement 'global_inline_var<int, float>'}} 29 } 30 template void foo2<int, float>(); 31 // expected-note@-1{{in instantiation of function template specialization 'foo2<int, float>' requested here}} 32 33 template <typename T, typename U, typename V> 34 void foo3() { 35 static_assert(T::template var<U, V>); 36 // expected-error@-1{{static_assert failed due to requirement 'S2<long>::var<int, float>'}} 37 } 38 template void foo3<S2<long>, int, float>(); 39 // expected-note@-1{{in instantiation of function template specialization 'foo3<S2<long>, int, float>' requested here}} 40 41 template <typename T> 42 void foo4() { 43 static_assert(S1<T[sizeof(T)], int[4]>::value, ""); 44 // expected-error@-1{{static_assert failed due to requirement 'S1<float [4], int [4]>::value'}} 45 }; 46 template void foo4<float>(); 47 // expected-note@-1{{in instantiation of function template specialization 'foo4<float>' requested here}} 48