[lld] [LLD][COFF] Allow additional attributes in forwarding exports. (PR #86535)

[Jacek Caban via llvm-commits]

cjacek wrote:

> Does the same work in llvm-dlltool and/or `llvm-lib /def:` as well, or do we need to do some corresponding change there?

It should already work with `llvm-dlltool` and `llvm-lib`. .def file parser already support those cases and importlib writer handles them.

https://github.com/llvm/llvm-project/pull/86535