https://github.com/dtcxzyw commented: dead code: https://github.com/llvm/llvm-project/blob/7d040d4675baf6881cf50c4dba78cc18af85f9ef/llvm/lib/Transforms/Utils/MemoryTaggingSupport.cpp#L237-L239 https://github.com/llvm/llvm-project/pull/149310