{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"mir::Rvalue::BinaryOp(op_with_overflow,"}]}
            mir::Rvalue::BinaryOp(op_with_overflow, box (ref lhs, ref rhs))
                if let Some(op) = op_with_overflow.overflowing_to_wrapping() =>