p8.cpp revision 1bf9a9e6a5bdc0de7939908855dcddf46b661800 
1// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
2
3struct S {
4  constexpr int f();
5  constexpr int g() const;
6  static constexpr int Sf();
7};
8
9void f(const S &s) {
10  s.f();
11  s.g();
12
13  int (*f)() = &S::Sf;
14  int (S::*g)() const = &S::g;
15}
16
17namespace std_example {
18
19  class debug_flag { // expected-note {{not an aggregate and has no constexpr constructors}}
20  public:
21    explicit debug_flag(bool);
22    constexpr bool is_on(); // expected-error {{non-literal type 'std_example::debug_flag' cannot have constexpr members}}
23  private:
24    bool flag;
25  };
26
27  constexpr int bar(int x, int y) // expected-note {{here}}
28    { return x + y + x*y; }
29  int bar(int x, int y) // expected-error {{non-constexpr declaration of 'bar' follows constexpr declaration}}
30    { return x * 2 + 3 * y; }
31
32}
33