From fcd3349d14af8b217b849f030e5d8ffd5e99f0d7 Mon Sep 17 00:00:00 2001
From: John Kåre Alsaker <john.kare.alsaker@gmail.com>
Date: Wed, 16 Aug 2023 17:50:40 +0200
Subject: Optimize hash map operations in the query system

---
 compiler/rustc_data_structures/src/lib.rs     | 2 ++
 compiler/rustc_data_structures/src/sharded.rs | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

(limited to 'compiler/rustc_data_structures/src')

diff --git a/compiler/rustc_data_structures/src/lib.rs b/compiler/rustc_data_structures/src/lib.rs
index 865424fd6bb..244997f5611 100644
--- a/compiler/rustc_data_structures/src/lib.rs
+++ b/compiler/rustc_data_structures/src/lib.rs
@@ -38,6 +38,8 @@
 #![feature(unwrap_infallible)]
 // tidy-alphabetical-end
 
+extern crate hashbrown;
+
 use std::fmt;
 
 pub use atomic_ref::AtomicRef;
diff --git a/compiler/rustc_data_structures/src/sharded.rs b/compiler/rustc_data_structures/src/sharded.rs
index 49cafcb17a0..5de9413cf15 100644
--- a/compiler/rustc_data_structures/src/sharded.rs
+++ b/compiler/rustc_data_structures/src/sharded.rs
@@ -256,7 +256,7 @@ impl<K: Eq + Hash + Copy + IntoPointer> ShardedHashMap<K, ()> {
 }
 
 #[inline]
-fn make_hash<K: Hash + ?Sized>(val: &K) -> u64 {
+pub fn make_hash<K: Hash + ?Sized>(val: &K) -> u64 {
     let mut state = FxHasher::default();
     val.hash(&mut state);
     state.finish()
-- 
cgit 1.4.1-3-g733a5