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// { dg-options "-g -O0" }
// { dg-do run { target c++11 } }
// { dg-skip-if "" { *-*-* } { "-D_GLIBCXX_PROFILE" } }
// Copyright (C) 2014-2019 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// Test that current printers still support old definitions of types.
namespace std
{
template<typename T, typename U>
struct tuple
{
T _M_head_impl;
};
template<typename T> struct default_delete { };
template<typename T, typename D = default_delete<T>>
struct unique_ptr
{
unique_ptr(T* p) { _M_t._M_head_impl = p; }
tuple<T*, D> _M_t;
};
// Old representation of std::optional, before GCC 9
template<typename T>
struct _Optional_payload
{
_Optional_payload() : _M_empty(), _M_engaged(false) { }
struct _Empty_byte { };
union {
_Empty_byte _M_empty;
T _M_payload;
};
bool _M_engaged;
};
template<typename T>
struct _Optional_base
{
_Optional_payload<T> _M_payload;
};
template<typename T>
struct optional : _Optional_base<T>
{
optional() { }
optional(T t)
{
this->_M_payload._M_payload = t;
this->_M_payload._M_engaged = true;
}
};
} // namespace std
int
main()
{
struct datum { };
std::unique_ptr<datum> uptr (new datum);
// { dg-final { regexp-test uptr {std::unique_ptr.datum. = {get\(\) = 0x.*}} } }
std::unique_ptr<datum> &ruptr = uptr;
// { dg-final { regexp-test ruptr {std::unique_ptr.datum. = {get\(\) = 0x.*}} } }
using std::optional;
optional<int> o;
// { dg-final { note-test o {std::optional<int> [no contained value]} } }
optional<bool> ob{false};
// { dg-final { note-test ob {std::optional<bool> = {[contained value] = false}} } }
optional<int> oi{5};
// { dg-final { note-test oi {std::optional<int> = {[contained value] = 5}} } }
optional<void*> op{nullptr};
// { dg-final { note-test op {std::optional<void *> = {[contained value] = 0x0}} } }
__builtin_puts("");
return 0; // Mark SPOT
}
// { dg-final { gdb-test SPOT } }
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