Fix tracking issue for waker_getters

[tvallotton]

I was directed by this rustbot at rust-lang/rust#118960 (comment) to apply the fix in this repository instead of rust-lang/rust directly.

[rustbot]

There are merge commits (commits with multiple parents) in your changes. We have a no merge policy so these commits will need to be removed for this pull request to be merged.

You can start a rebase with the following commands:

$ # rebase
$ git rebase -i master
$ # delete any merge commits in the editor that appears
$ git push --force-with-lease

The following commits are merge commits:

• 6908e2e