[BETA] Revert "Remove the witness type from coroutine args"

[lcnr]

fixes #145151 and #145288

we do not revert on nightly as its instead fixed by #145194 and #145338.

See the discussion in https://rust-lang.zulipchat.com/#narrow/channel/238009-t-compiler.2Fmeetings/topic/.5Bweekly.5D.202025-08-14/near/534490313

[rustbot]

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[rustbot]

⚠️ Warning ⚠️

• Pull requests are usually filed against the master branch for this repo, but this one is against beta. Please double check that you specified the right target!

[lqd]

Thank you!

[jieyouxu]

(For quicker context, this is the revert approach instead of beta-backporting both #145194 and #145338)

[petrochenkov]

r=me once this is beta-accepted.
(Not sure how the new process with t-compiler/backports works.)
@rustbot team

[lcnr]

I think this is just accepted as we've discussed this in the meeting 🤷

@bors r=petrochenkov

[bors]

📌 Commit a89083b has been approved by petrochenkov

It is now in the queue for this repository.

[jieyouxu]

Based on both the meeting discussions in #t-compiler/meetings > [weekly] 2025-08-14 @ 💬 and voting on #t-compiler/backports > #145395: beta-nominated, marking as beta-accepted.

@rustbot label: beta-accepted

[Zalathar]

Assuming this should be rollup=never since it's beta.

@bors rollup=never

[Zalathar]

Also the queue is mega backed-up at the moment, so this probably warrants a priority bump.

@bors p=1

[jhpratt]

Threading between rollups

@bors p=6

[bors]

⌛ Testing commit a89083b with merge 49fc0cc...

[bors]

☀️ Test successful - checks-actions
Approved by: petrochenkov
Pushing 49fc0cc to beta...