1 // Copyright 2020 The Pigweed Authors
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
7 // https://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
16 #include "pw_polyfill/standard_library/namespace.h"
19 inline void* operator new(decltype(sizeof(0)), void* ptr) { return ptr; }
21 #define __cpp_lib_launder 201606L
23 _PW_POLYFILL_BEGIN_NAMESPACE_STD
26 [[nodiscard]] constexpr T* launder(T* pointer) noexcept {
27 return __builtin_launder(pointer);
30 _PW_POLYFILL_END_NAMESPACE_STD