{"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"if"}]}
                    if ident_l == ident_r {
                (hir::ExprKind::Field(lhs_l, ident_l), hir::ExprKind::Field(lhs_r, ident_r)) => {
                        return check_for_self_assign_helper(typeck_results, lhs_l, lhs_r);