From 93f3f5b1552489dbee03020505d896f01fd53852 Mon Sep 17 00:00:00 2001
From: Eduard-Mihai Burtescu <edy.burt@gmail.com>
Date: Sat, 18 Aug 2018 13:55:43 +0300
Subject: Use FxHash{Map,Set} instead of the default Hash{Map,Set} everywhere
 in rustc.

---
 src/librustc_errors/emitter.rs  | 6 +++---
 src/librustc_errors/registry.rs | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

(limited to 'src/librustc_errors')

diff --git a/src/librustc_errors/emitter.rs b/src/librustc_errors/emitter.rs
index c08cf3d039d..5f275b70038 100644
--- a/src/librustc_errors/emitter.rs
+++ b/src/librustc_errors/emitter.rs
@@ -16,12 +16,12 @@ use {Level, CodeSuggestion, DiagnosticBuilder, SubDiagnostic, SourceMapperDyn, D
 use snippet::{Annotation, AnnotationType, Line, MultilineAnnotation, StyledString, Style};
 use styled_buffer::StyledBuffer;
 
+use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::sync::Lrc;
 use atty;
 use std::borrow::Cow;
 use std::io::prelude::*;
 use std::io;
-use std::collections::HashMap;
 use std::cmp::{min, Reverse};
 use termcolor::{StandardStream, ColorChoice, ColorSpec, BufferWriter};
 use termcolor::{WriteColor, Color, Buffer};
@@ -1090,7 +1090,7 @@ impl EmitterWriter {
                                             max_line_num_len + 1);
 
                 // Contains the vertical lines' positions for active multiline annotations
-                let mut multilines = HashMap::new();
+                let mut multilines = FxHashMap::default();
 
                 // Next, output the annotate source for this file
                 for line_idx in 0..annotated_file.lines.len() {
@@ -1109,7 +1109,7 @@ impl EmitterWriter {
                                                          width_offset,
                                                          code_offset);
 
-                    let mut to_add = HashMap::new();
+                    let mut to_add = FxHashMap::default();
 
                     for (depth, style) in depths {
                         if multilines.get(&depth).is_some() {
diff --git a/src/librustc_errors/registry.rs b/src/librustc_errors/registry.rs
index 83737681471..9a2302171ba 100644
--- a/src/librustc_errors/registry.rs
+++ b/src/librustc_errors/registry.rs
@@ -8,11 +8,11 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use std::collections::HashMap;
+use rustc_data_structures::fx::FxHashMap;
 
 #[derive(Clone)]
 pub struct Registry {
-    descriptions: HashMap<&'static str, &'static str>,
+    descriptions: FxHashMap<&'static str, &'static str>,
 }
 
 impl Registry {
-- 
cgit 1.4.1-3-g733a5