{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"//"}]}
            // BackwardIncompatibleDropHint has no semantics, so it is translated to Nop.
            mir::StatementKind::ConstEvalCounter => crate::mir::StatementKind::ConstEvalCounter,
            mir::StatementKind::BackwardIncompatibleDropHint { .. } => {