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// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
class C {
struct S; // expected-note {{previously declared 'private' here}}
public:
struct S {}; // expected-error {{'S' redeclared with 'public' access}}
};
struct S {
class C; // expected-note {{previously declared 'public' here}}
private:
class C { }; // expected-error {{'C' redeclared with 'private' access}}
};
class T {
protected:
template<typename T> struct A; // expected-note {{previously declared 'protected' here}}
private:
template<typename T> struct A {}; // expected-error {{'A' redeclared with 'private' access}}
};
// PR5573
namespace test1 {
class A {
private:
class X; // expected-note {{previously declared 'private' here}} \
// expected-note {{previous declaration is here}}
public:
class X; // expected-error {{'X' redeclared with 'public' access}} \
// expected-warning {{class member cannot be redeclared}}
class X {};
};
}
// PR15209
namespace PR15209 {
namespace alias_templates {
template<typename T1, typename T2> struct U { };
template<typename T1> using W = U<T1, float>;
class A {
typedef int I;
static constexpr I x = 0; // expected-note {{implicitly declared private here}}
static constexpr I y = 42; // expected-note {{implicitly declared private here}}
friend W<int>;
};
template<typename T1>
struct U<T1, float> {
int v_;
// the following will trigger for U<float, float> instantiation, via W<float>
U() : v_(A::x) { } // expected-error {{'x' is a private member of 'PR15209::alias_templates::A'}}
};
template<typename T1>
struct U<T1, int> {
int v_;
U() : v_(A::y) { } // expected-error {{'y' is a private member of 'PR15209::alias_templates::A'}}
};
template struct U<int, int>; // expected-note {{in instantiation of member function 'PR15209::alias_templates::U<int, int>::U' requested here}}
void f()
{
W<int>();
// we should issue diagnostics for the following
W<float>(); // expected-note {{in instantiation of member function 'PR15209::alias_templates::U<float, float>::U' requested here}}
}
}
namespace templates {
class A {
typedef int I; // expected-note {{implicitly declared private here}}
static constexpr I x = 0; // expected-note {{implicitly declared private here}}
template<int> friend struct B;
template<int> struct C;
template<template<int> class T> friend struct TT;
template<typename T> friend void funct(T);
};
template<A::I> struct B { };
template<A::I> struct A::C { };
template<template<A::I> class T> struct TT {
T<A::x> t;
};
template struct TT<B>;
template<A::I> struct D { }; // expected-error {{'I' is a private member of 'PR15209::templates::A'}}
template struct TT<D>;
// function template case
template<typename T>
void funct(T)
{
(void)A::x;
}
template void funct<int>(int);
void f()
{
(void)A::x; // expected-error {{'x' is a private member of 'PR15209::templates::A'}}
}
}
}
namespace PR7434 {
namespace comment0 {
template <typename T> struct X;
namespace N {
class Y {
template<typename T> friend struct X;
int t; // expected-note {{here}}
};
}
template<typename T> struct X {
X() { (void)N::Y().t; } // expected-error {{private}}
};
X<char> x;
}
namespace comment2 {
struct X;
namespace N {
class Y {
friend struct X;
int t; // expected-note {{here}}
};
}
struct X {
X() { (void)N::Y().t; } // expected-error {{private}}
};
}
}
namespace LocalExternVar {
class test {
private:
struct private_struct { // expected-note 2{{here}}
int x;
};
int use_private();
};
int test::use_private() {
extern int array[sizeof(test::private_struct)]; // ok
return array[0];
}
int f() {
extern int array[sizeof(test::private_struct)]; // expected-error {{private}}
return array[0];
}
int array[sizeof(test::private_struct)]; // expected-error {{private}}
}
namespace ThisLambdaIsNotMyFriend {
class A {
friend class D;
static void foo(); // expected-note {{here}}
};
template <class T> void foo() {
[]() { A::foo(); }(); // expected-error {{private}}
}
void bar() { foo<void>(); }
}
namespace OverloadedMemberFunctionPointer {
template<class T, void(T::*pMethod)()>
void func0() {}
template<class T, void(T::*pMethod)(int)>
void func1() {}
template<class T>
void func2(void(*fn)()) {} // expected-note 2 {{candidate function template not viable: no overload of 'func}}
class C {
private:
friend void friendFunc();
void overloadedMethod();
protected:
void overloadedMethod(int);
public:
void overloadedMethod(int, int);
void method() {
func2<int>(&func0<C, &C::overloadedMethod>);
func2<int>(&func1<C, &C::overloadedMethod>);
}
};
void friendFunc() {
func2<int>(&func0<C, &C::overloadedMethod>);
func2<int>(&func1<C, &C::overloadedMethod>);
}
void nonFriendFunc() {
func2<int>(&func0<C, &C::overloadedMethod>); // expected-error {{no matching function for call to 'func2'}}
func2<int>(&func1<C, &C::overloadedMethod>); // expected-error {{no matching function for call to 'func2'}}
}
// r325321 caused an assertion failure when the following code was compiled.
class A {
template <typename Type> static bool foo1() { return true; }
public:
void init(bool c) {
if (c) {
auto f = foo1<int>;
}
}
};
}
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