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comparison gcc/testsuite/g++.dg/cpp2a/concepts-explicit-inst1.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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131:84e7813d76e9 145:1830386684a0
1 // { dg-do compile { target c++2a } }
2 // { dg-final { scan-assembler "_Z1gI1XEvT_" } }
3 // { dg-final { scan-assembler "_Z1gI1YEvT_" } }
4 // { dg-final { scan-assembler "_Z1gIiEvT_" } }
5
6 template<typename T>
7 concept C = __is_class(T);
8
9 template<typename T>
10 concept D = C<T> && __is_empty(T);
11
12 struct X { };
13 struct Y { int n; };
14
15 template<typename T> void g(T) { } // #1
16 template<C T> void g(T) { } // #2
17 template<D T> void g(T) { } // #3
18
19 template void g(int); // Instantiate #1
20 template void g(X); // Instantitae #3
21 template void g(Y); // Instantiate #2
22
23 int main() { }