forked from OSchip/llvm-project
52 lines
2.0 KiB
C++
52 lines
2.0 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
|
|
template<typename T> struct A; // expected-note 4{{template is declared here}}
|
|
|
|
template<typename T> struct B : A<T*> { }; // expected-error{{implicit instantiation of undefined template}} \
|
|
// expected-error{{implicit instantiation of undefined template 'A<X *>'}}
|
|
|
|
template<typename T> struct C : B<T> { } ; // expected-note{{instantiation of template class}}
|
|
|
|
template<typename T> struct D : C<T> { }; // expected-note{{instantiation of template class}}
|
|
|
|
template<typename T> struct E : D<T> { }; // expected-note{{instantiation of template class}}
|
|
|
|
template<typename T> struct F : E<T(T)> { }; // expected-note{{instantiation of template class}}
|
|
|
|
void f() {
|
|
(void)sizeof(F<int>); // expected-note{{instantiation of template class}}
|
|
}
|
|
|
|
typedef struct { } X;
|
|
|
|
void g() {
|
|
(void)sizeof(B<X>); // expected-note{{in instantiation of template class 'B<X>' requested here}}
|
|
}
|
|
|
|
template<typename T>
|
|
struct G : A<T>, // expected-error{{implicit instantiation of undefined template 'A<int>'}}
|
|
A<T*> // expected-error{{implicit instantiation of undefined template 'A<int *>'}}
|
|
{ };
|
|
|
|
void h() {
|
|
(void)sizeof(G<int>); // expected-note{{in instantiation of template class 'G<int>' requested here}}
|
|
}
|
|
|
|
namespace PR13365 {
|
|
template <class T> class ResultTy { // expected-warning {{does not declare any constructor}}
|
|
T t; // expected-note {{reference member 't' will never be initialized}}
|
|
};
|
|
|
|
template <class T1, class T2>
|
|
typename ResultTy<T2>::error Deduce( void (T1::*member)(T2) ) {} // \
|
|
// expected-note {{instantiation of template class 'PR13365::ResultTy<int &>'}} \
|
|
// expected-note {{substitution failure [with T1 = PR13365::Cls, T2 = int &]}}
|
|
|
|
struct Cls {
|
|
void method(int&);
|
|
};
|
|
void test() {
|
|
Deduce(&Cls::method); // expected-error {{no matching function}} \
|
|
// expected-note {{substituting deduced template arguments into function template 'Deduce' [with T1 = PR13365::Cls, T2 = int &]}}
|
|
}
|
|
}
|