1 files changed, 6 insertions, 3 deletions
diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs
index 5248f874a6e..496be8b3eb2 100644
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -1221,7 +1221,8 @@ pub enum ImplItemKind {
     Macro(Mac),
 }
 
-#[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Copy)]
+#[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Copy,
+         PartialOrd, Ord)]
 pub enum IntTy {
     Is,
     I8,
@@ -1274,7 +1275,8 @@ impl IntTy {
     }
 }
 
-#[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Copy)]
+#[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Copy,
+         PartialOrd, Ord)]
 pub enum UintTy {
     Us,
     U8,
@@ -1324,7 +1326,8 @@ impl fmt::Display for UintTy {
     }
 }
 
-#[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Copy)]
+#[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Copy,
+         PartialOrd, Ord)]
 pub enum FloatTy {
     F32,
     F64,