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(); 10 constexpr B(char) {} 11 }; 12 13 struct C { 14 B b; 15 double d = 0.0; 16 }; 17 18 struct D : B { 19 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> 26 constexpr T plus_seven(T other) { 27 return value + other; 28 } 29 30 #else 31 32 static_assert(D(4).k == 9, ""); 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
