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comparison gcc/testsuite/g++.dg/concepts/class-deduction2.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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111:04ced10e8804 131:84e7813d76e9
1 // PR c++/85706
2 // { dg-do compile { target c++17 } }
3 // { dg-additional-options "-fconcepts" }
4
5 template<class T> struct S {
6 S(T);
7 };
8
9 template<class = void>
10 auto f() -> decltype(S(42)); // error