Backport nominations

  • Revert “Remove checked_add in Layout::repeat” #69241

    • Approved for stable and beta backport
  • Do not ICE when encountering yield inside async block #69175

    • Approved for stable & beta backport
  • Account for bounds and asociated items when denying _ #69148

    • Backport declined
  • Make conflicting_repr_hints a deny-by-default c-future-compat lint #68586

    • Approved for beta backport
  • Fix MIR typeck soundness holes #69145

    • Approved for stable backport

Working group sync

We ran out of time due to a large number of issues to triage and the related discussion.