From e7adb8434aed78b1b5b4bb01c45f680a4b8adebb Mon Sep 17 00:00:00 2001
From: Erick Tryzelaar <erick.tryzelaar@gmail.com>
Date: Thu, 3 Jul 2014 08:40:08 -0700
Subject: [PATCH] collections: grow should use the overflow-checked
 reserve_additional

---
 src/libcollections/vec.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/libcollections/vec.rs b/src/libcollections/vec.rs
index 2ffc168f82c..b8efaa78af3 100644
--- a/src/libcollections/vec.rs
+++ b/src/libcollections/vec.rs
@@ -253,8 +253,7 @@ impl<T: Clone> Vec<T> {
     /// assert_eq!(vec, vec!("hello", "world", "world"));
     /// ```
     pub fn grow(&mut self, n: uint, value: &T) {
-        let new_len = self.len() + n;
-        self.reserve(new_len);
+        self.reserve_additional(n);
         let mut i: uint = 0u;
 
         while i < n {