compiler/rustc_data_structures/src/sync/vec.rs: convert AppendOnlyVec to our RwLock

Author: safinaskar

compiler/rustc_data_structures/src/sync/vec.rs

@@ -2,6 +2,8 @@ use std::marker::PhantomData;
 
 use rustc_index::Idx;
 
+use crate::sync::RwLock;
+
 #[derive(Default)]
 pub struct AppendOnlyIndexVec<I: Idx, T: Copy> {
     vec: elsa::sync::LockFreeFrozenVec<T>,
@@ -26,7 +28,7 @@ impl<I: Idx, T: Copy> AppendOnlyIndexVec<I, T> {
 
 #[derive(Default)]
 pub struct AppendOnlyVec<T: Copy> {
-    vec: parking_lot::RwLock<Vec<T>>,
+    vec: RwLock<Vec<T>>,
 }
 
 impl<T: Copy> AppendOnlyVec<T> {