{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"//"}]}
        // see if the dereferenced types need `DerefMut` bounds.
        // If we implicitly inserted overloaded dereferences before matching, check the pattern to
        if let Some(derefed_tys) = self.typeck_results.borrow().pat_adjustments().get(pat.hir_id)