54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++1z %s
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struct NonLit { // expected-note 3{{no constexpr constructors}}
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NonLit();
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};
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struct S {
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static constexpr int a = 0;
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static constexpr int b; // expected-error {{initializ}} expected-note 0-1{{previous}}
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static constexpr int c = 0;
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static const int d;
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static const int d2 = 0;
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static constexpr double e = 0.0; // ok
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static const double f = 0.0; // expected-error {{requires 'constexpr' specifier}} expected-note {{add 'constexpr'}}
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static char *const g = 0; // expected-error {{requires 'constexpr' specifier}}
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static const NonLit h = NonLit(); // expected-error {{must be initialized out of line}}
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static inline int i; // expected-note {{previous}} expected-warning 0-1{{extension}}
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static inline int j; // expected-note {{previous}} expected-warning 0-1{{extension}}
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static constexpr int k = 0;
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};
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constexpr int S::a;
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constexpr int S::b = 0; // expected-error 0-1{{redefinition}}
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const int S::c;
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constexpr int S::d = 0;
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constexpr int S::d2;
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int S::i; // expected-error {{redefinition}}
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int S::j; // expected-error {{redefinition}}
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const int S::k; // ok (deprecated)
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template<typename T>
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struct U {
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static constexpr int a = 0;
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static constexpr int b; // expected-error {{initializ}}
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static constexpr NonLit h = NonLit(); // expected-error {{cannot have non-literal type 'const NonLit'}}
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static constexpr T c = T(); // expected-error {{cannot have non-literal type}}
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static const T d;
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};
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template<typename T> constexpr T U<T>::d = T(); // expected-error {{non-literal type 'const NonLit'}}
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U<int> u1;
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U<NonLit> u2; // expected-note {{here}}
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static_assert(U<int>::a == 0, "");
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constexpr int outofline = (U<NonLit>::d, 0); // expected-note {{here}}
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