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Auto merge of #108802 - nikic:bolt-update, r=Mark-Simulacrum
Update host compiler to LLVM 16
Update the host compiler for dist-x86_64-linux to LLVM 16. In particular, this pulls in https://github.com/llvm/llvm-project/commit/1de305da428598d79b7d2d9e70962130142f7ca4, which is needed to update Rust's own LLVM (https://github.com/rust-lang/rust/pull/107224).
