Rollup of 8 pull requests
Successful merges:
- #60729 (Expand dynamic drop tests for cases in #47949)
- #61263 (Don't generate div inside header (h4/h3/h...) elements)
- #61364 (Stabilize reverse_bits feature)
- #61375 (Make "panic did not include expected string" message consistent)
- #61387 (Remove ty::BrFresh and RegionConstraintCollector::new_bound)
- #61389 (Remove GlobalArenas and use Arena instead)
- #61391 (Doc comment fixes for `rustc::mir::interpret::InterpretCx`)
- #61403 (Remove unnecessary `-Z continue-parse-after-error` from tests)
Failed merges:
r? @ghost