Make `global.param.{obj,lib}` an `Output`

[thewilsonator]

Follows up on https://github.com/dlang/dmd/pull/14048 https://github.com/dlang/dmd/pull/12617

[dlang-bot]

Thanks for your pull request and interest in making D better, @thewilsonator! We are looking forward to reviewing it, and you should be hearing from a maintainer soon. Please verify that your PR follows this checklist:

• My PR is fully covered with tests (you can see the coverage diff by visiting the details link of the codecov check)
• My PR is as minimal as possible (smaller, focused PRs are easier to review than big ones)
• I have provided a detailed rationale explaining my changes
• New or modified functions have Ddoc comments (with Params: and Returns:)

Please see CONTRIBUTING.md for more information.

---

If you have addressed all reviews or aren't sure how to proceed, don't hesitate to ping us with a simple comment.

Bugzilla references

Your PR doesn't reference any Bugzilla issue.

If your PR contains non-trivial changes, please reference a Bugzilla issue or create a manual changelog.

Testing this PR locally

If you don't have a local development environment setup, you can use Digger to test this PR:

dub run digger -- build "master + dmd#15647"

[thewilsonator]

Hmm this looks to have stuffed up linking in the standard library by default.

[RazvanN7]

@thewilsonator are you still working on this?

[thewilsonator]

it is stuck. We should have this but it is not a high priority