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
