{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"OperandRef"}]}
                OperandRef { val: result, layout: bx.cx().layout_of(operand_ty) }
                let operand_ty = Ty::new_tup(bx.tcx(), &[val_ty, bx.tcx().types.bool]);
            }