syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // `ManuallyDrop<T>` always implements `BikeshedGuaranteedNoDrop`.
context_before:             ty::Ref(..) => {}
context_after:             ty::Adt(def, _) if def.is_manually_drop() => {}