libstdc++-v3/testsuite/20_util/tuple/cons/96592.cc

   1 // Copyright (C) 2020-2024 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do compile { target c++11 } }
  19
  20 #include <tuple>
  21
  22 // PR 96592 comment 0
  23
  24 template <typename SessionT>
  25 struct SomeQuery {
  26     SessionT& session_;
  27     SomeQuery(SessionT& session) : session_(session) {}
  28 };
  29
  30 template <typename SessionT>
  31 struct Handler {
  32     std::tuple<SomeQuery<SessionT>> queries_;
  33     Handler(SessionT& session) : queries_(session) {}
  34 };
  35
  36 struct Session {
  37     Handler<Session> handler_;
  38     Session() : handler_{*this} {}
  39 };
  40
  41 Session session;
  42
  43 // PR 96592 comment 1
  44 template <typename T>
  45 class DependsOnT
  46 {
  47 public:
  48     DependsOnT(T&) {}
  49 };
  50
  51 class Test
  52 {
  53 public:
  54     Test() : test_{*this} {}
  55
  56 private:
  57     std::tuple<DependsOnT<Test>> test_;
  58 };