forked from OSchip/llvm-project
106 lines
2.5 KiB
C++
106 lines
2.5 KiB
C++
// RUN: %clang_cc1 -std=c++98 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
|
|
// RUN: %clang_cc1 -std=c++11 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
|
|
// RUN: %clang_cc1 -std=c++14 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
|
|
// RUN: %clang_cc1 -std=c++1z %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
|
|
|
|
#if __cplusplus < 201103L
|
|
// expected-no-diagnostics
|
|
#endif
|
|
|
|
namespace dr1715 { // dr1715: 3.9
|
|
#if __cplusplus >= 201103L
|
|
struct B {
|
|
template<class T> B(T, typename T::Q);
|
|
};
|
|
|
|
class S {
|
|
using Q = int;
|
|
template<class T> friend B::B(T, typename T::Q);
|
|
};
|
|
|
|
struct D : B {
|
|
using B::B;
|
|
};
|
|
struct E : B { // expected-note 2{{candidate}}
|
|
template<class T> E(T t, typename T::Q q) : B(t, q) {} // expected-note {{'Q' is a private member}}
|
|
};
|
|
|
|
B b(S(), 1);
|
|
D d(S(), 2);
|
|
E e(S(), 3); // expected-error {{no match}}
|
|
#endif
|
|
}
|
|
|
|
namespace dr1736 { // dr1736: 3.9
|
|
#if __cplusplus >= 201103L
|
|
struct S {
|
|
template <class T> S(T t) {
|
|
struct L : S {
|
|
using S::S;
|
|
};
|
|
typename T::type value; // expected-error {{no member}}
|
|
L l(value); // expected-note {{instantiation of}}
|
|
}
|
|
};
|
|
struct Q { typedef int type; } q;
|
|
S s(q); // expected-note {{instantiation of}}
|
|
#endif
|
|
}
|
|
|
|
namespace dr1756 { // dr1756: 3.7
|
|
#if __cplusplus >= 201103L
|
|
// Direct-list-initialization of a non-class object
|
|
|
|
int a{0};
|
|
|
|
struct X { operator int(); } x;
|
|
int b{x};
|
|
#endif
|
|
}
|
|
|
|
namespace dr1758 { // dr1758: 3.7
|
|
#if __cplusplus >= 201103L
|
|
// Explicit conversion in copy/move list initialization
|
|
|
|
struct X { X(); };
|
|
struct Y { explicit operator X(); } y;
|
|
X x{y};
|
|
|
|
struct A {
|
|
A() {}
|
|
A(const A &) {}
|
|
};
|
|
struct B {
|
|
operator A() { return A(); }
|
|
} b;
|
|
A a{b};
|
|
#endif
|
|
}
|
|
|
|
namespace dr1722 { // dr1722: 9
|
|
#if __cplusplus >= 201103L
|
|
void f() {
|
|
const auto lambda = [](int x) { return x + 1; };
|
|
// Without the DR applied, this static_assert would fail.
|
|
static_assert(
|
|
noexcept((int (*)(int))(lambda)),
|
|
"Lambda-to-function-pointer conversion is expected to be noexcept");
|
|
}
|
|
#endif
|
|
} // namespace dr1722
|
|
|
|
namespace dr1778 { // dr1778: 9
|
|
// Superseded by P1286R2.
|
|
#if __cplusplus >= 201103L
|
|
struct A { A() noexcept(true) = default; };
|
|
struct B { B() noexcept(false) = default; };
|
|
static_assert(noexcept(A()), "");
|
|
static_assert(!noexcept(B()), "");
|
|
|
|
struct C { A a; C() noexcept(false) = default; };
|
|
struct D { B b; D() noexcept(true) = default; };
|
|
static_assert(!noexcept(C()), "");
|
|
static_assert(noexcept(D()), "");
|
|
#endif
|
|
}
|