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// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
struct A {
int &f(int*);
float &f(int*) const noexcept;
int *ptr;
auto g1() noexcept(noexcept(f(ptr))) -> decltype(f(this->ptr));
auto g2() const noexcept(noexcept(f((*this).ptr))) -> decltype(f(ptr));
};
void testA(A &a) {
int &ir = a.g1();
float &fr = a.g2();
static_assert(!noexcept(a.g1()), "exception-specification failure");
static_assert(noexcept(a.g2()), "exception-specification failure");
}
struct B {
char g();
template<class T> auto f(T t) -> decltype(t + g())
{ return t + g(); }
};
template auto B::f(int t) -> decltype(t + g());
template<typename T>
struct C {
int &f(T*);
float &f(T*) const noexcept;
T* ptr;
auto g1() noexcept(noexcept(f(ptr))) -> decltype(f((*this).ptr));
auto g2() const noexcept(noexcept(f(((this))->ptr))) -> decltype(f(ptr));
};
void test_C(C<int> ci) {
int *p = 0;
int &ir = ci.g1();
float &fr = ci.g2();
static_assert(!noexcept(ci.g1()), "exception-specification failure");
static_assert(noexcept(ci.g2()), "exception-specification failure");
}
namespace PR10036 {
template <class I>
void
iter_swap(I x, I y) noexcept;
template <class T>
class A
{
T t_;
public:
void swap(A& a) noexcept(noexcept(iter_swap(&t_, &a.t_)));
};
void test() {
A<int> i, j;
i.swap(j);
}
}
namespace Static {
struct X1 {
int m;
static auto f() -> decltype(m); // expected-error{{'this' cannot be implicitly used in a static member function declaration}}
static auto g() -> decltype(this->m); // expected-error{{'this' cannot be used in a static member function declaration}}
static int h();
static int i() noexcept(noexcept(m + 2)); // expected-error{{'this' cannot be implicitly used in a static member function declaration}}
};
auto X1::h() -> decltype(m) { return 0; } // expected-error{{'this' cannot be implicitly used in a static member function declaration}}
template<typename T>
struct X2 {
int m;
T f(T*);
static T f(int);
auto g(T x) -> decltype(f(x)) { return 0; }
};
void test_X2() {
X2<int>().g(0);
}
}
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