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// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/snapshot/snapshot-utils.h"
#include "src/base/sanitizer/msan.h"
#include "third_party/zlib/zlib.h"
namespace v8 {
namespace internal {
uint32_t Checksum(base::Vector<const byte> payload) {
#ifdef MEMORY_SANITIZER
// Computing the checksum includes padding bytes for objects like strings.
// Mark every object as initialized in the code serializer.
MSAN_MEMORY_IS_INITIALIZED(payload.begin(), payload.length());
#endif // MEMORY_SANITIZER
// Priming the adler32 call so it can see what CPU features are available.
adler32(0, nullptr, 0);
return static_cast<uint32_t>(adler32(0, payload.begin(), payload.length()));
}
} // namespace internal
} // namespace v8
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