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| // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
// C++11 [class.mem]p2:
// A class is considered a completely-defined object type (or
// complete type) at the closing } of the class-specifier. Within
// the class member-specification, the class is regarded as complete
// within function bodies, default arguments,
// exception-specifications, and brace-or-equal-initializers for
// non-static data members (including such things in nested classes).
// Otherwise it is regarded as incomplete within its own class
// member-specification.
namespace test0 {
struct A { // expected-note {{definition of 'test0::A' is not complete until the closing '}'}}
A x; // expected-error {{field has incomplete type 'test0::A'}}
};
}
namespace test1 {
template <class T> struct A {
A<int> x; // expected-error {{implicit instantiation of template 'test1::A<int>' within its own definition}}
};
}
namespace test2 {
template <class T> struct A;
template <> struct A<int> {};
template <class T> struct A {
A<int> x;
};
}
namespace test3 {
struct A {
struct B {
void f() throw(A);
void g() throw(B);
};
void f() throw(A);
void g() throw(B);
};
template<typename T>
struct A2 {
struct B {
void f1() throw(A2);
void f2() throw(A2<T>);
void g() throw(B);
};
void f1() throw(A2);
void f2() throw(A2<T>);
void g() throw(B);
};
template struct A2<int>;
}
namespace PR12629 {
struct S {
static int (f)() throw();
static int ((((((g))))() throw(U)));
int (*h)() noexcept(false);
static int (&i)() noexcept(true);
static int (*j)() throw(U); // expected-error {{unknown type name 'U'}}
static int (k)() throw(U);
struct U {};
};
static_assert(noexcept(S::f()), "");
static_assert(!noexcept(S::g()), "");
static_assert(!noexcept(S().h()), "");
static_assert(noexcept(S::i()), "");
}
namespace PR12688 {
struct S {
// FIXME: Maybe suppress the "constructor cannot have a return type" error
// if the return type is invalid.
nonsense S() throw (more_nonsense); // \
// expected-error {{'nonsense'}} \
// expected-error {{constructor cannot have a return type}}
};
}
|