llvm-project/clang/test/SemaCXX/implicit-member-functions.cpp

53 lines
1.2 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
struct A { };
A::A() { } // expected-error {{definition of implicitly declared constructor}}
struct B { };
B::B(const B&) { } // expected-error {{definition of implicitly declared copy constructor}}
struct C { };
C& C::operator=(const C&) { return *this; } // expected-error {{definition of implicitly declared copy assignment operator}}
struct D { };
D::~D() { } // expected-error {{definition of implicitly declared destructor}}
// Make sure that the special member functions are introduced for
// name-lookup purposes and overload with user-declared
// constructors and assignment operators.
namespace PR6570 {
class A { };
class B {
public:
B() {}
B(const A& a) {
operator = (CONST);
operator = (a);
}
B& operator = (const A& a) {
return *this;
}
void f(const A &a) {
B b(a);
};
static const B CONST;
};
}
namespace PR7594 {
// If the lazy declaration of special member functions is triggered
// in an out-of-line initializer, make sure the functions aren't in
// the initializer scope. This used to crash Clang:
struct C {
C();
static C *c;
};
C *C::c = new C();
}