[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]

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tru wrote:

You can consolidate the tests into a single cpp file instead of having three different ones. 

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