[compiler-rt] [win/asan] Don't intercept memset etc. in ntdll (PR #120397)

[Zack Johnson via llvm-commits]

zacklj89 wrote:

> Are such programs common, and do they avoid the regular CRT for size or other reasons? And do we know if they use ASan?

I think they're uncommon or nearly(?) nonexistent.
> If we can make that assumption, I think we should intercept ntdll as little as possible, and then I think my patch is preferable.

Sounds good to me!

https://github.com/llvm/llvm-project/pull/120397