From 9d34e8dd21264a0e23d87e12b6c0ec9bef835af3 Mon Sep 17 00:00:00 2001
From: Manish Goregaokar <manishsmail@gmail.com>
Date: Fri, 4 May 2018 11:37:27 -0700
Subject: Make extern_absolute_paths only work on the new edition

---
 src/libsyntax/feature_gate.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/libsyntax')

diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs
index 4c6d0282c2a..5155408ba63 100644
--- a/src/libsyntax/feature_gate.rs
+++ b/src/libsyntax/feature_gate.rs
@@ -1849,8 +1849,10 @@ pub fn get_features(span_handler: &Handler, krate_attrs: &[ast::Attribute],
     let mut feature_checker = FeatureChecker::default();
 
     for &(.., f_edition, set) in ACTIVE_FEATURES.iter() {
-        if f_edition <= crate_edition {
-            set(&mut features, DUMMY_SP);
+        if let Some(f_edition) = f_edition {
+            if f_edition <= crate_edition {
+                set(&mut features, DUMMY_SP);
+            }
         }
     }
 
-- 
cgit 1.4.1-3-g733a5