23a239267e
Reverts llvm/llvm-project#119225 due to the lack of sanitizer support, large potential of breaking code containing latent UB, non-trivial localization and investigation, and what seems to be a bad interaction with msan (a test is in the works). Related discussions: https://github.com/llvm/llvm-project/pull/119225#issuecomment-2551904822 https://github.com/llvm/llvm-project/pull/118472#issuecomment-2549986255