From 54587bdccb7b6771cfc704a30fc0ef2c65824a15 Mon Sep 17 00:00:00 2001
From: Graydon Hoare <graydon@mozilla.com>
Date: Wed, 16 Mar 2011 14:58:02 -0700
Subject: Switch all vases of vec += elt to vec += vec. Prohibit former in
 rustboot. Tweak std lib vec fns in process.

---
 src/comp/pretty/pprust.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/comp/pretty/pprust.rs')

diff --git a/src/comp/pretty/pprust.rs b/src/comp/pretty/pprust.rs
index a25bc447..1f9b455b 100644
--- a/src/comp/pretty/pprust.rs
+++ b/src/comp/pretty/pprust.rs
@@ -717,7 +717,7 @@ fn escape_str(str st, char to_escape) -> str {
       case ('\\') {out += "\\\\";}
       case (?cur) {
         if (cur == to_escape) {out += "\\";}
-        out += cur as u8;
+        _str.push_byte(out, cur as u8);
       }
     }
     i += 1u;
-- 
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