1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
2 
3 struct NonLit {
4   NonLit();
5 };
6 
7 struct S {
8   static constexpr int a = 0;
9   static constexpr int b; // expected-error {{declaration of constexpr static data member 'b' requires an initializer}}
10 
11   static constexpr int c = 0;
12   static const int d;
13   static const int d2 = 0;
14 
15   static constexpr double e = 0.0; // ok
16   static const double f = 0.0; // expected-warning {{extension}} expected-note {{use 'constexpr' specifier}}
17   static char *const g = 0; // expected-error {{requires 'constexpr' specifier}}
18   static const NonLit h = NonLit(); // expected-error {{must be initialized out of line}}
19 };
20 
21 constexpr int S::a;
22 constexpr int S::b = 0;
23 
24 const int S::c;
25 constexpr int S::d = 0;
26 constexpr int S::d2;
27