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// RUN: %clang_cc1 -fsyntax-only -verify %s
friend class A; // expected-error {{'friend' used outside of class}}
void f() { friend class A; } // expected-error {{'friend' used outside of class}}
class C { friend class A; };
class D { void f() { friend class A; } }; // expected-error {{'friend' used outside of class}}
// PR5760
namespace test0 {
namespace ns {
void f(int);
}
struct A {
friend void ns::f(int a);
};
}
// Test derived from LLVM's Registry.h
namespace test1 {
template <class T> struct Outer {
void foo(T);
struct Inner {
friend void Outer::foo(T);
};
};
void test() {
(void) Outer<int>::Inner();
}
}
// PR5476
namespace test2 {
namespace foo {
void Func(int x);
}
class Bar {
friend void ::test2::foo::Func(int x);
};
}
// PR5134
namespace test3 {
class Foo {
friend const int getInt(int inInt = 0);
};
}
namespace test4 {
class T4A {
friend class T4B;
public:
T4A(class T4B *);
protected:
T4B *mB; // error here
};
class T4B {};
}
namespace rdar8529993 {
struct A { ~A(); };
struct B : A
{
template<int> friend A::~A(); // expected-error {{destructor cannot be declared as a template}}
};
}
// PR7915
namespace test5 {
struct A;
struct A1 { friend void A(); };
struct B { friend void B(); };
}
// PR8479
namespace test6_1 {
class A {
public:
private:
friend class vectorA;
A() {}
};
class vectorA {
public:
vectorA(int i, const A& t = A()) {}
};
void f() {
vectorA v(1);
}
}
namespace test6_2 {
template<class T>
class vector {
public:
vector(int i, const T& t = T()) {}
};
class A {
public:
private:
friend class vector<A>;
A() {}
};
void f() {
vector<A> v(1);
}
}
namespace test6_3 {
template<class T>
class vector {
public:
vector(int i) {}
void f(const T& t = T()) {}
};
class A {
public:
private:
friend void vector<A>::f(const A&);
A() {}
};
void f() {
vector<A> v(1);
v.f();
}
}
namespace test7 {
extern "C" {
class X {
friend int f() { return 42; }
};
}
}
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