[llvm] Revert 112e49b38150b8bfdef01434309d1b05204193e4 due to a miscompile (PR #71598)

[via llvm-commits]

alexfh wrote:

@RKSimon The proposed fix in #71489 claims to address #71330, which is caused by a different commit - 0289dad538fa2fdc1a82a26f5d19f94fbd20d949. I've verified that it doesn't fix the miscompile introduced in 112e49b38150b8bfdef01434309d1b05204193e4. Thus, the revert here is still necessary.

https://github.com/llvm/llvm-project/pull/71598