[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]

https://github.com/tru commented:

Thanks for working on this. It's always good to be compatible with MSVC as much as possible. Some comments and questions. We also need some more people that know more COFF to weigh in. 

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