1 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -emit-pch %s -o %t
2 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t -verify %s
3 
4 #ifndef HEADER_INCLUDED
5 
6 #define HEADER_INCLUDED
7 
8 struct B {
9   B();
BB10   constexpr B(char) {}
11 };
12 
13 struct C {
14   B b;
15   double d = 0.0;
16 };
17 
18 struct D : B {
DD19   constexpr D(int n) : B('x'), k(2*n+1) {}
20   int k;
21 };
22 
23 constexpr int value = 7;
24 
25 template<typename T>
plus_seven(T other)26 constexpr T plus_seven(T other) {
27   return value + other;
28 }
29 
30 #else
31 
32 static_assert(D(4).k == 9, "");
f(C c)33 constexpr int f(C c) { return 0; } // expected-error {{not a literal type}}
34 // expected-note@13 {{not an aggregate and has no constexpr constructors}}
35 constexpr B b; // expected-error {{constant expression}} expected-note {{non-constexpr}}
36                // expected-note@9 {{here}}
37 
38 static_assert(plus_seven(3) == 10, "");
39 
40 #endif
41