{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"Overflow(BinOp::Shl,"}]}
            Overflow(BinOp::Shl, _, _) => LangItem::PanicShlOverflow,
            Overflow(BinOp::Shr, _, _) => LangItem::PanicShrOverflow,
            Overflow(op, _, _) => bug!("{:?} cannot overflow", op),