p3-0x.cpp revision 4a529d26d6ccfc9b3d11031f1256f4f87055c562 
1// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
2
3struct A {
4  int &f(int*);
5  float &f(int*) const noexcept;
6
7  int *ptr;
8  auto g1() noexcept(noexcept(f(ptr))) -> decltype(f(this->ptr));
9  auto g2() const noexcept(noexcept(f((*this).ptr))) -> decltype(f(ptr));
10};
11
12void testA(A &a) {
13  int &ir = a.g1();
14  float &fr = a.g2();
15  static_assert(!noexcept(a.g1()), "exception-specification failure");
16  static_assert(noexcept(a.g2()), "exception-specification failure");
17}
18
19struct B {
20  char g();
21  template<class T> auto f(T t) -> decltype(t + g())
22  { return t + g(); }
23};
24
25template auto B::f(int t) -> decltype(t + g());
26
27template<typename T>
28struct C {
29  int &f(T*);
30  float &f(T*) const noexcept;
31
32  T* ptr;
33  auto g1() noexcept(noexcept(f(ptr))) -> decltype(f((*this).ptr));
34  auto g2() const noexcept(noexcept(f(((this))->ptr))) -> decltype(f(ptr));
35};
36
37void test_C(C<int> ci) {
38  int *p = 0;
39  int &ir = ci.g1();
40  float &fr = ci.g2();
41  static_assert(!noexcept(ci.g1()), "exception-specification failure");
42  static_assert(noexcept(ci.g2()), "exception-specification failure");
43}
44
45namespace PR10036 {
46  template <class I>
47  void
48  iter_swap(I x, I y) noexcept;
49
50  template <class T>
51  class A
52  {
53    T t_;
54  public:
55    void swap(A& a) noexcept(noexcept(iter_swap(&t_, &a.t_)));
56  };
57
58  void test() {
59    A<int> i, j;
60    i.swap(j);
61  }
62}
63
64namespace Static {
65  struct X1 {
66    int m;
67    static auto f() -> decltype(m); // expected-error{{'this' cannot be implicitly used in a static member function declaration}}
68    static auto g() -> decltype(this->m); // expected-error{{'this' cannot be used in a static member function declaration}}
69
70    static int h();
71
72    static int i() noexcept(noexcept(m + 2)); // expected-error{{'this' cannot be implicitly used in a static member function declaration}}
73  };
74
75  auto X1::h() -> decltype(m) { return 0; } // expected-error{{'this' cannot be implicitly used in a static member function declaration}}
76
77  template<typename T>
78  struct X2 {
79    int m;
80
81    T f(T*);
82    static T f(int);
83
84    auto g(T x) -> decltype(f(x)) { return 0; }
85  };
86
87  void test_X2() {
88    X2<int>().g(0);
89  }
90}
91
92namespace PR12564 {
93  struct Base {
94    void bar(Base&) {} // FIXME: expected-note {{here}}
95  };
96
97  struct Derived : Base {
98    // FIXME: This should be accepted.
99    void foo(Derived& d) noexcept(noexcept(d.bar(d))) {} // expected-error {{cannot bind to a value of unrelated type}}
100  };
101}
102