2 files changed, 2 insertions, 0 deletions
diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs
index e311352c93d..83fe95f16f9 100644
--- a/compiler/rustc_ast/src/ast.rs
+++ b/compiler/rustc_ast/src/ast.rs
@@ -2574,6 +2574,7 @@ pub enum AttrStyle {
 }
 
 rustc_index::newtype_index! {
+    #[orderable]
     #[debug_format = "AttrId({})"]
     pub struct AttrId {}
 }
diff --git a/compiler/rustc_ast/src/node_id.rs b/compiler/rustc_ast/src/node_id.rs
index 48081582fc3..1cd24495309 100644
--- a/compiler/rustc_ast/src/node_id.rs
+++ b/compiler/rustc_ast/src/node_id.rs
@@ -9,6 +9,7 @@ rustc_index::newtype_index! {
     ///
     /// [`DefId`]: rustc_span::def_id::DefId
     #[encodable]
+    #[orderable]
     #[debug_format = "NodeId({})"]
     pub struct NodeId {
         /// The [`NodeId`] used to represent the root of the crate.