Make the bitset module private.
This is just an implementation detail.
@@ -17,7 +17,6 @@ pub mod entity;
pub mod bforest;
pub mod binemit;
-pub mod bitset;
pub mod cursor;
pub mod dominator_tree;
pub mod flowgraph;
@@ -31,6 +30,7 @@ pub mod timing;
pub mod verifier;
mod abi;
+mod bitset;
mod constant_hash;
mod context;
mod iterators;
