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comparison gcc/testsuite/g++.dg/cpp1y/pr84496.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++/84496
2 // { dg-do compile { target c++14 } }
3
4 template <typename T, T n> struct C { static constexpr T D = n; };
5 struct E : C<bool, false> {};
6 template <typename> struct F : C<bool, false> {};
7 template <typename T> T foo ();
8 template <typename> struct H { typedef int G; };
9 template <typename> class I;
10 struct L;
11 template <typename, typename> struct J;
12 template <bool, bool, typename...> struct K;
13 struct R {
14 template <typename M, typename... N>
15 static J<decltype (foo<M> () (foo<N>...)), L> o;
16 };
17 template <typename P, typename... Q> struct K<false, false, P, Q...> : R {
18 typedef decltype (o<P, Q...>) G;
19 };
20 template <typename P, typename... Q>
21 struct D : K<E::D, F<typename H<P>::G>::D, P, Q...> {};
22 template <typename P, typename... Q> struct I<P (Q...)> : D<P, Q...> {};
23 template <typename> class function;
24 template <typename S, typename... Q> struct function<S (Q...)> {
25 template <typename T, typename = typename I<T (Q...)>::G> struct C;
26 template <typename, typename> using U = int;
27 template <typename P, typename = U<int, void>, typename = U<C<P>, void>>
28 function (P);
29 };
30 template <typename S, typename... Q>
31 template <typename P, typename, typename>
32 function<S (Q...)>::function (P)
33 {
34 }
35 void bar (function<void (int)>);
36
37 void
38 baz ()
39 {
40 auto a = [] {
41 static int counter;
42 bar ([] (auto) { counter++; });
43 };
44 }