From 358b506a3899682a8167b54a495b6bc6d9103f05 Mon Sep 17 00:00:00 2001
From: lqd <remy.rakic+github@gmail.com>
Date: Thu, 26 Sep 2019 19:32:24 +0200
Subject: [PATCH] Use the fx hasher when interning

---
 src/intern.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/intern.rs b/src/intern.rs
index 1fb0caa333d..ceb51e4691c 100644
--- a/src/intern.rs
+++ b/src/intern.rs
@@ -1,10 +1,11 @@
 use crate::facts::*;
+use rustc_hash::FxHashMap;
 use std::collections::HashMap;
 
 /// When we load facts out of the table, they are essentially random
 /// strings. We create an intern table to map those to small integers.
 pub(crate) struct Interner<TargetType: From<usize> + Copy> {
-    strings: HashMap<String, TargetType>,
+    strings: FxHashMap<String, TargetType>,
     rev_strings: Vec<String>,
 }
 
@@ -14,7 +15,7 @@ where
 {
     fn new() -> Self {
         Self {
-            strings: HashMap::new(),
+            strings: HashMap::default(),
             rev_strings: vec![],
         }
     }