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annotate gcc/testsuite/g++.dg/concepts/var-concept3.C @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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children 84e7813d76e9
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111
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1 // { dg-options "-std=c++17 -fconcepts" }
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2
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3 template<typename T>
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4 concept bool C1 = __is_class(T);
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5
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6 template<typename T>
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7 concept bool C2() { return __is_class(T); }
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8
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9 template<typename T>
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10 constexpr bool C3 = __is_class(T);
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11
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12
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13 template<typename U>
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14 requires C1<U>() // { dg-error "" }
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15 void f1(U) { }
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16
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17 template<typename U>
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18 requires C2<U> // { dg-error "invalid reference" }
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19 void f2(U) { }
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20
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21 template<C3 T> // { dg-error "not a type" }
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22 void f(T) { } // { dg-error "" }