[lld] [llvm] [LLD][COFF] Prefetch inputs early-on to improve link times (PR #169224)

[Hans Wennborg via llvm-commits]

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@@ -38,6 +38,8 @@ Breaking changes
 COFF Improvements
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+* New flag ``-prefetch-inputs`` can improve link times if (some) input files were not in the Windows cache.
+
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zmodem wrote:

Can you expand this a little with the pros and cons of using the flag?

https://github.com/llvm/llvm-project/pull/169224