From 4b9b0d3474ec64133fe797d8fcf8a03c803bac8a Mon Sep 17 00:00:00 2001
From: Jeffrey Seyfried <jeffrey.seyfried@gmail.com>
Date: Tue, 15 Nov 2016 08:54:27 +0000
Subject: Refactor `CrateConfig`.

---
 src/libsyntax/parse/mod.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/libsyntax/parse')

diff --git a/src/libsyntax/parse/mod.rs b/src/libsyntax/parse/mod.rs
index 12408c7d3c9..7feb745259c 100644
--- a/src/libsyntax/parse/mod.rs
+++ b/src/libsyntax/parse/mod.rs
@@ -22,6 +22,7 @@ use str::char_at;
 use tokenstream;
 
 use std::cell::RefCell;
+use std::collections::HashSet;
 use std::iter;
 use std::path::{Path, PathBuf};
 use std::rc::Rc;
@@ -64,7 +65,7 @@ impl ParseSess {
         ParseSess {
             span_diagnostic: handler,
             unstable_features: UnstableFeatures::from_environment(),
-            config: Vec::new(),
+            config: HashSet::new(),
             included_mod_stack: RefCell::new(vec![]),
             code_map: code_map
         }
-- 
cgit 1.4.1-3-g733a5