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annotate gcc/testsuite/g++.dg/concepts/req6.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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131
84e7813d76e9 gcc-8.2
mir3636
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1 // { dg-do compile { target c++17 } }
84e7813d76e9 gcc-8.2
mir3636
parents: 111
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2 // { dg-options "-fconcepts" }
111
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3
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4 struct X { };
kono
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5 int operator==(X, X) { return 0; }
kono
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6
kono
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7 template<typename T>
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8 concept bool C1() { return X(); } // { dg-error "bool" }
kono
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9
kono
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10 template<C1 T>
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11 void h(T) { } // OK until used.
kono
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12
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13 void f()
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14 {
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15 h(0); // { dg-error "does not have|cannot call" }
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16 }
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17
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18 template<typename T>
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19 concept bool C2() { return X() == X(); } // OK