{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"//"}]}
                // The only reason to get `PosInfinity` here is the special case where
            if matches!(lo, PatRangeBoundary::PosInfinity) {
                // `hoist_pat_range_bdy` found `{u,i}size::MAX+1`. So the range denotes the