From 83cdae63e8c3428c3dd5c127f349cf8d4416ff5b Mon Sep 17 00:00:00 2001
From: reedlepee <reedlepee123@gmail.com>
Date: Tue, 29 Oct 2013 05:01:56 +0530
Subject: [PATCH] Replaced empty destructors with NonCopyable #7427 closes
 #7427

---
 src/libsyntax/parse/parser.rs | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index 5a5e310e56f..59e92501fc2 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -340,13 +340,10 @@ pub struct Parser {
     mod_path_stack: @mut ~[@str],
     /// Stack of spans of open delimiters. Used for error message.
     open_braces: @mut ~[Span]
+    ///	removed empty drop function and added a priv new_field of type std::util::NonCopyable
+    priv new_field: util::NonCopyable
 }
 
-#[unsafe_destructor]
-impl Drop for Parser {
-    /* do not copy the parser; its state is tied to outside state */
-    fn drop(&mut self) {}
-}
 
 fn is_plain_ident_or_underscore(t: &token::Token) -> bool {
     is_plain_ident(t) || *t == token::UNDERSCORE