Rollback new poisoned pointer API

This breaks Chromium due to global constructor and incorrectly
assumes page size.
https://github.com/abseil/abseil-cpp/pull/1697

PiperOrigin-RevId: 648377066
Change-Id: I19f8b2655971a0c314091e26e62e10a5a9c46e94

1 files changed, 0 insertions, 36 deletions

diff --git a/absl/base/internal/poison.h b/absl/base/internal/poison.h
deleted file mode 100644
index aac1506a..00000000
--- a/absl/base/internal/poison.h
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright 2024 The Abseil Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef ABSL_BASE_INTERNAL_POISON_H_
-#define ABSL_BASE_INTERNAL_POISON_H_
-
-#include <atomic>
-
-#include "absl/base/config.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-namespace base_internal {
-
-extern std::atomic<void*> poison_data;
-
-inline void* get_poisoned_pointer() {
-  return poison_data.load(std::memory_order_relaxed);
-}
-
-}  // namespace base_internal
-ABSL_NAMESPACE_END
-}  // namespace absl
-
-#endif  // ABSL_BASE_INTERNAL_POISON_H_