llvm-project/clang/test/SemaTemplate/instantiate-using-decl.cpp

50 lines
1.0 KiB
C++

// RUN: clang-cc -fsyntax-only -verify %s
namespace test0 {
namespace N { }
template<typename T>
struct A {
void f();
};
template<typename T>
struct B : A<T> {
using A<T>::f;
void g() {
using namespace N;
f();
}
};
template struct B<int>;
}
namespace test1 {
template <class Derived> struct Visitor1 {
void Visit(struct Object1*);
};
template <class Derived> struct Visitor2 {
void Visit(struct Object2*); // expected-note {{candidate function}}
};
template <class Derived> struct JoinVisitor
: Visitor1<Derived>, Visitor2<Derived> {
typedef Visitor1<Derived> Base1;
typedef Visitor2<Derived> Base2;
void Visit(struct Object1*); // expected-note {{candidate function}}
using Base2::Visit;
};
class Knot : JoinVisitor<Knot> {
};
void test() {
Knot().Visit((struct Object1*) 0);
Knot().Visit((struct Object2*) 0);
Knot().Visit((struct Object3*) 0); // expected-error {{no matching member function for call}}
}
}