Fix Issue 22717 - TypeInfo_Struct.equals swaps lhs and rhs parameters

[kinke]

This depends on dlang/dmd#13593.

[dlang-bot]

Thanks for your pull request and interest in making D better, @kinke! 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

Auto-close	Bugzilla	Severity	Description
✓	22717	critical	object.TypeInfo_Struct.equals swaps lhs and rhs parameters

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 + druntime#3718"

[ibuclaw]

Could this have a two-stage PR? First using static if (__VERSION__ >= 2099), then second removing the static if after the compiler change is in.

[kinke]

Looks like we'll need the static if (__VERSION__ >= 2099) anyway for as long as git describe returns v2.098* for DMD master, so changed accordingly.