[clang] [lld] [llvm] [Windows] Add support for emitting PGO/LTO magic strings in the Windows PE debug directory (PR #114260)

[Tobias Hieta via cfe-commits]

tru wrote:

I can recommend the hyperfine tool when benchmarking. It runs the same command multiple times and does all the fancy things to make sure you are measuring correctly. 

https://github.com/llvm/llvm-project/pull/114260