From 2b3a37bd2e35458b4d66f13c4d3ad924455ac2bb Mon Sep 17 00:00:00 2001
From: Ulrik Sverdrup <bluss@users.noreply.github.com>
Date: Sun, 13 Nov 2016 00:11:16 +0100
Subject: [PATCH] Restore Vec::from_iter() specialization

Since I said "no intentional functional change" in the previous commit,
I guess it was inevitable there were unintentional changes. Not
functional, but optimization-wise. This restores the extend
specialization's use in Vec::from_iter.
---
 src/libcollections/vec.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libcollections/vec.rs b/src/libcollections/vec.rs
index 53b7ae0703bf..5477a1f6331b 100644
--- a/src/libcollections/vec.rs
+++ b/src/libcollections/vec.rs
@@ -1517,7 +1517,7 @@ impl<T> FromIterator<T> for Vec<T> {
                 vector
             }
         };
-        vector.extend_desugared(iterator);
+        vector.extend(iterator);
         vector
     }
 }