[compiler-rt] [nsan] Add nsan_preinit.cpp and make it static library only (PR #98564)

[Alexander Shaposhnikov via llvm-commits]

alexander-shaposhnikov wrote:

Thanks! I guess this PR resolves https://github.com/llvm/llvm-project/issues/98523 and the issues reported on https://github.com/llvm/llvm-project/pull/98415 .

https://github.com/llvm/llvm-project/pull/98564