我正在使用 IDA pro 来分析旧的 nginx 二进制文件。我收到了以前从未见过的警告。有没有人知道这些警告？

IDA is analysing the input file...
You may start to explore the input file right now.
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'statfs64': name is already used
failed to add structure type 'statfs64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'statfs64': name is already used
failed to add structure type 'statfs64': name is already used
failed to add structure type 'statfs64': name is already used
failed to add structure type 'statfs64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used
failed to add structure type 'stat64': name is already used

如果需要，我可以向您发送 nginx 二进制文件。二进制文件是使用自定义版本的 llvm 编译的。我正在使用 IDA Pro 7.5 和一个 IDAPython 脚本。