Auto merge of #138695 - nikic:llvm-20.1.1, r=dianqk

Update to LLVM 20.1.1

Fixes https://github.com/rust-lang/rust/issues/138212.
Fixes https://github.com/rust-lang/rust/issues/137909.
This commit is contained in:
bors
2025-03-20 07:27:45 +00:00