{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"ty::Int(i)"}]}
            ty::Int(i) if i.bit_width() == Some(expected_int_bits) => args[0].immediate(),
        let mask = match mask_ty.kind() {
            ty::Uint(i) if i.bit_width() == Some(expected_int_bits) => args[0].immediate(),