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44 lines
996 B
44 lines
996 B
4 months ago
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// RUN: %clang_cc1 -pedantic-errors -std=c++11 -emit-pch %s -o %t
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// RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t -verify %s
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// RUN: %clang_cc1 -pedantic-errors -std=c++11 -emit-pch -fpch-instantiate-templates %s -o %t
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// RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t -verify %s
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#ifndef HEADER_INCLUDED
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#define HEADER_INCLUDED
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struct B {
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B();
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constexpr B(char) {}
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};
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struct C {
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B b;
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double d = 0.0;
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};
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struct D : B {
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constexpr D(int n) : B('x'), k(2*n+1) {}
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int k;
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};
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constexpr int value = 7;
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template<typename T>
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constexpr T plus_seven(T other) {
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return value + other;
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}
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#else
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static_assert(D(4).k == 9, "");
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constexpr int f(C c) { return 0; } // expected-error {{not a literal type}}
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// expected-note@16 {{not an aggregate and has no constexpr constructors}}
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constexpr B b; // expected-error {{constant expression}} expected-note {{non-constexpr}}
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// expected-note@12 {{here}}
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static_assert(plus_seven(3) == 10, "");
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#endif
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