1 files changed, 6 insertions, 0 deletions
diff --git a/src/libsyntax/ast_map/mod.rs b/src/libsyntax/ast_map/mod.rs
index ce2fe6e7220..2c985f403f8 100644
--- a/src/libsyntax/ast_map/mod.rs
+++ b/src/libsyntax/ast_map/mod.rs
@@ -38,6 +38,8 @@ pub enum PathElem {
     PathName(Name)
 }
 
+impl Copy for PathElem {}
+
 impl PathElem {
     pub fn name(&self) -> Name {
         match *self {
@@ -120,6 +122,8 @@ pub enum Node<'ast> {
     NodeLifetime(&'ast Lifetime),
 }
 
+impl<'ast> Copy for Node<'ast> {}
+
 /// Represents an entry and its parent Node ID
 /// The odd layout is to bring down the total size.
 #[deriving(Show)]
@@ -147,6 +151,8 @@ enum MapEntry<'ast> {
     RootInlinedParent(&'ast InlinedParent)
 }
 
+impl<'ast> Copy for MapEntry<'ast> {}
+
 impl<'ast> Clone for MapEntry<'ast> {
     fn clone(&self) -> MapEntry<'ast> {
         *self