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annotate gcc/testsuite/g++.dg/cpp2a/concepts-return-req1.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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145
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1 // PR c++/92268
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2 // { dg-do compile { target c++2a } }
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3
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4 template <class T> concept Two = true;
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5 template <class T> concept One = Two<typename T::type>;
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6 template <class T> concept Zero = requires
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7 {
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8 { T() } -> One;
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9 };
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10
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11 template <class T>
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12 void f() requires Zero<T>;
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13 template <class T>
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14 int f(...);
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15
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16 int main()
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17 {
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18 f<int>();
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19 }