Auto merge of #61418 - Centril:rollup-yvj33a1, r=Centril

Auto merge of #61418 - Centril:rollup-yvj33a1, r=Centril

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