Fixes https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100889
libstdc++-v3/ChangeLog: * include/bits/atomic_base.h (atomic_ref<_Tp*>::wait): Change parameter type from _Tp to _Tp*. * testsuite/29_atomics/atomic_ref/100889.cc: New test. --- libstdc++-v3/include/bits/atomic_base.h | 2 +- .../testsuite/29_atomics/atomic_ref/100889.cc | 29 +++++++++++++++++++ 2 files changed, 30 insertions(+), 1 deletion(-) create mode 100644 libstdc++-v3/testsuite/29_atomics/atomic_ref/100889.cc diff --git a/libstdc++-v3/include/bits/atomic_base.h b/libstdc++-v3/include/bits/atomic_base.h index 029b8ad65a9..20cf1343c58 100644 --- a/libstdc++-v3/include/bits/atomic_base.h +++ b/libstdc++-v3/include/bits/atomic_base.h @@ -1870,7 +1870,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION #if __cpp_lib_atomic_wait _GLIBCXX_ALWAYS_INLINE void - wait(_Tp __old, memory_order __m = memory_order_seq_cst) const noexcept + wait(_Tp* __old, memory_order __m = memory_order_seq_cst) const noexcept { __atomic_impl::wait(_M_ptr, __old, __m); } // TODO add const volatile overload diff --git a/libstdc++-v3/testsuite/29_atomics/atomic_ref/100889.cc b/libstdc++-v3/testsuite/29_atomics/atomic_ref/100889.cc new file mode 100644 index 00000000000..1ea58cb6947 --- /dev/null +++ b/libstdc++-v3/testsuite/29_atomics/atomic_ref/100889.cc @@ -0,0 +1,29 @@ +// Copyright (C) 2019-2021 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/>. + +// { dg-options "-std=gnu++2a" } +// { dg-do compile { target c++2a } } + +#include <atomic> + +void +test01() +{ + void* p; + std::atomic_ref a(p); + a.store(nullptr); +} -- 2.26.2