118 lines
2.0 KiB
C++
118 lines
2.0 KiB
C++
|
// RUN: %clang_cc1 -fsyntax-only -verify %s
|
||
|
|
namespace T1 {
|
||
|
|
|
||
|
|
class A { };
|
||
|
|
class B : private A { }; // expected-note {{declared private here}}
|
||
|
|
|
||
|
|
void f(B* b) {
|
||
|
|
A *a = b; // expected-error{{cannot cast 'T1::B' to its private base class 'T1::A'}}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace T2 {
|
||
|
|
|
||
|
|
class A { };
|
||
|
|
class B : A { }; // expected-note {{implicitly declared private here}}
|
||
|
|
|
||
|
|
void f(B* b) {
|
||
|
|
A *a = b; // expected-error {{cannot cast 'T2::B' to its private base class 'T2::A'}}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace T3 {
|
||
|
|
|
||
|
|
class A { };
|
||
|
|
class B : public A { };
|
||
|
|
|
||
|
|
void f(B* b) {
|
||
|
|
A *a = b;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace T4 {
|
||
|
|
|
||
|
|
class A {};
|
||
|
|
|
||
|
|
class B : private virtual A {};
|
||
|
|
class C : public virtual A {};
|
||
|
|
|
||
|
|
class D : public B, public C {};
|
||
|
|
|
||
|
|
void f(D *d) {
|
||
|
|
// This takes the D->C->B->A path.
|
||
|
|
A *a = d;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace T5 {
|
||
|
|
class A {};
|
||
|
|
|
||
|
|
class B : private A {
|
||
|
|
void f(B *b) {
|
||
|
|
A *a = b;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace T6 {
|
||
|
|
class C;
|
||
|
|
|
||
|
|
class A {}; // expected-note{{member is declared here}}
|
||
|
|
|
||
|
|
class B : private A { // expected-note {{declared private here}} expected-note {{constrained by private inheritance here}}
|
||
|
|
void f(C* c);
|
||
|
|
};
|
||
|
|
|
||
|
|
class C : public B {
|
||
|
|
void f(C *c) {
|
||
|
|
A* a = c; // expected-error {{cannot cast 'T6::C' to its private base class 'T6::A'}} \
|
||
|
|
// expected-error {{'A' is a private member of 'T6::A'}}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
void B::f(C *c) {
|
||
|
|
A *a = c;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace T7 {
|
||
|
|
class A {};
|
||
|
|
class B : public A {};
|
||
|
|
class C : private B {
|
||
|
|
void f(C *c) {
|
||
|
|
A* a = c; // okay
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace T8 {
|
||
|
|
template <int>
|
||
|
|
struct flag {
|
||
|
|
static constexpr bool value = true;
|
||
|
|
};
|
||
|
|
|
||
|
|
template <class T>
|
||
|
|
struct trait : flag<sizeof(T)> {};
|
||
|
|
|
||
|
|
template <class T, bool Inferred = trait<T>::value>
|
||
|
|
struct a {};
|
||
|
|
|
||
|
|
template <class T>
|
||
|
|
class b {
|
||
|
|
a<T> x;
|
||
|
|
using U = a<T>;
|
||
|
|
};
|
||
|
|
|
||
|
|
template <int>
|
||
|
|
struct Impossible {
|
||
|
|
static_assert(false, ""); // expected-error {{static_assert failed}}
|
||
|
|
};
|
||
|
|
|
||
|
|
// verify "no member named 'value'" bogus diagnostic is not emitted.
|
||
|
|
trait<b<Impossible<0>>>::value;
|
||
|
|
} // namespace T8
|