From cb31373dc26ca447f7a4a142b2ed352677fb55a0 Mon Sep 17 00:00:00 2001
From: Johann Tuffe <tafia973@gmail.com>
Date: Wed, 10 Jun 2015 10:51:48 +0800
Subject: [PATCH] early return if 1 element

No need to dedup if there is only 1 element in the vec, can early return
---
 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 0cc0108fd011..c4921cb8560b 100644
--- a/src/libcollections/vec.rs
+++ b/src/libcollections/vec.rs
@@ -1213,7 +1213,7 @@ impl<T: PartialEq> Vec<T> {
             // Duplicate, advance r. End of vec. Truncate to w.
 
             let ln = self.len();
-            if ln < 1 { return; }
+            if ln <= 1 { return; }
 
             // Avoid bounds checks by using unsafe pointers.
             let p = self.as_mut_ptr();