| 1 | // RUN: %clang_cc1 -pedantic-errors -std=c++11 -emit-pch %s -o %t |
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| 2 | // RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t -verify %s |
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| 3 | |
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| 4 | #ifndef HEADER_INCLUDED |
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| 5 | |
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| 6 | #define HEADER_INCLUDED |
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| 7 | |
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| 8 | struct B { |
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| 9 | B(); |
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| 10 | constexpr B(char) {} |
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| 11 | }; |
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| 12 | |
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| 13 | struct C { |
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| 14 | B b; |
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| 15 | double d = 0.0; |
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| 16 | }; |
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| 17 | |
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| 18 | struct D : B { |
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| 19 | constexpr D(int n) : B('x'), k(2*n+1) {} |
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| 20 | int k; |
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| 21 | }; |
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| 22 | |
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| 23 | constexpr int value = 7; |
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| 24 | |
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| 25 | template<typename T> |
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| 26 | constexpr T plus_seven(T other) { |
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| 27 | return value + other; |
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| 28 | } |
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| 29 | |
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| 30 | #else |
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| 31 | |
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| 32 | static_assert(D(4).k == 9, ""); |
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| 33 | constexpr int f(C c) { return 0; } // expected-error {{not a literal type}} |
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| 34 | // expected-note@13 {{not an aggregate and has no constexpr constructors}} |
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| 35 | constexpr B b; // expected-error {{constant expression}} expected-note {{non-constexpr}} |
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| 36 | // expected-note@9 {{here}} |
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| 37 | |
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| 38 | static_assert(plus_seven(3) == 10, ""); |
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| 39 | |
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| 40 | #endif |
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| 41 | |
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