[llvm] [llvm] annotate interfaces in llvm/ADT for DLL export (PR #136629)

[Vassil Vassilev via llvm-commits]

vgvassilev wrote:

Can we mention the mega issue https://github.com/llvm/llvm-project/issues/109483 in the pr description of such PRs?

https://github.com/llvm/llvm-project/pull/136629