pseudo-destructors.cpp
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
struct A {};
enum Foo { F };
typedef Foo Bar; // expected-note{{type 'Bar' (aka 'Foo') is declared here}}
typedef int Integer;
typedef double Double;
void g();
namespace N {
typedef Foo Wibble;
typedef int OtherInteger;
}
template <typename T>
void cv_test(const volatile T* cvt) {
cvt->T::~T(); // no-warning
}
void f(A* a, Foo *f, int *i, double *d, int ii) {
a->~A();
a->A::~A();
a->~foo(); // expected-error{{identifier 'foo' in object destruction expression does not name a type}}
a->~Bar(); // expected-error{{destructor type 'Bar' (aka 'Foo') in object destruction expression does not match the type 'A' of the object being destroyed}}
f->~Bar();
f->~Foo();
i->~Bar(); // expected-error{{does not match}}
g().~Bar(); // expected-error{{non-scalar}}
f->::~Bar();
f->N::~Wibble(); // expected-error{{'N' does not refer to a type}} expected-error{{'Wibble' does not refer to a type}}
f->::~Bar(17, 42); // expected-error{{cannot have any arguments}}
i->~Integer();
i->Integer::~Integer();
i->N::~OtherInteger();
i->N::OtherInteger::~OtherInteger();
i->N::OtherInteger::~Integer(); // expected-error{{'Integer' does not refer to a type name in pseudo-destructor expression; expected the name of type 'int'}}
i->N::~Integer(); // expected-error{{'Integer' does not refer to a type name in pseudo-destructor expression; expected the name of type 'int'}}
i->Integer::~Double(); // expected-error{{the type of object expression ('int') does not match the type being destroyed ('Double' (aka 'double')) in pseudo-destructor expression}}
ii->~Integer(); // expected-error{{member reference type 'int' is not a pointer; did you mean to use '.'?}}
ii.~Integer();
cv_test(a);
cv_test(f);
cv_test(i);
cv_test(d);
}
typedef int Integer;
void destroy_without_call(int *ip) {
ip->~Integer; // expected-error{{reference to pseudo-destructor must be called}}
}
void paren_destroy_with_call(int *ip) {
(ip->~Integer)();
}
// PR5530
namespace N1 {
class X0 { };
}
void test_X0(N1::X0 &x0) {
x0.~X0();
}
namespace PR11339 {
template<class T>
void destroy(T* p) {
p->~T(); // ok
p->~oops(); // expected-error{{identifier 'oops' in object destruction expression does not name a type}}
}
template void destroy(int*); // expected-note{{in instantiation of function template specialization}}
}
template<typename T> using Id = T;
void AliasTemplate(int *p) {
p->~Id<int>();
}
namespace dotPointerAccess {
struct Base {
virtual ~Base() {}
};
struct Derived : Base {
~Derived() {}
};
void test() {
Derived d;
static_cast<Base *>(&d).~Base(); // expected-error {{member reference type 'dotPointerAccess::Base *' is a pointer; did you mean to use '->'}}
d->~Derived(); // expected-error {{member reference type 'dotPointerAccess::Derived' is not a pointer; did you mean to use '.'}}
}
typedef Derived *Foo;
void test2(Foo d) {
d.~Foo(); // This is ok
d.~Derived(); // expected-error {{member reference type 'dotPointerAccess::Foo' (aka 'dotPointerAccess::Derived *') is a pointer; did you mean to use '->'}}
}
}