[lld] [LLD] [COFF] Add a separate option for allowing duplicate weak symbols (PR #68077)

[Martin Storsjö via llvm-commits]

mstorsjo wrote:

> I added the test in in 2021 when investigating Windows's weak symbols: https://maskray.me/blog/2021-04-25-weak-symbol#pecoff
> 
> I haven't added similar tests elsewhere.

Ok, thanks for the info!

> I wonder whether anyone has a channel to tell MSVC that this is a desired feature that should be enabled by default.

I guess one could post a feature request at https://developercommunity.visualstudio.com/cpp; I'm not very hopeful that it'd be implemented, but it would at least be the official way of signaling the request.

https://github.com/llvm/llvm-project/pull/68077