use syntax::ast::{self, MetaItem};
-use rustc_data_structures::bitslice::{bitwise, BitwiseOperator};
+use rustc_data_structures::bitvec::{bitwise, BitwiseOperator};
use rustc_data_structures::indexed_set::{HybridIdxSet, IdxSet};
use rustc_data_structures::indexed_vec::Idx;
use rustc_data_structures::work_queue::WorkQueue;