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-rw-r--r--compiler/rustc_attr_data_structures/src/attributes.rs3
-rw-r--r--compiler/rustc_attr_data_structures/src/encode_cross_crate.rs1
2 files changed, 4 insertions, 0 deletions
diff --git a/compiler/rustc_attr_data_structures/src/attributes.rs b/compiler/rustc_attr_data_structures/src/attributes.rs
index b656db32528..6ea98f66405 100644
--- a/compiler/rustc_attr_data_structures/src/attributes.rs
+++ b/compiler/rustc_attr_data_structures/src/attributes.rs
@@ -234,6 +234,9 @@ pub enum AttributeKind {
     /// Represents `#[rustc_const_stable_indirect]`.
     ConstStabilityIndirect,
 
+    /// Represents `#[const_trait]`.
+    ConstTrait(Span),
+
     /// Represents [`#[deprecated]`](https://doc.rust-lang.org/stable/reference/attributes/diagnostics.html#the-deprecated-attribute).
     Deprecation { deprecation: Deprecation, span: Span },
 
diff --git a/compiler/rustc_attr_data_structures/src/encode_cross_crate.rs b/compiler/rustc_attr_data_structures/src/encode_cross_crate.rs
index 5414c7b103b..f22a64b2fd0 100644
--- a/compiler/rustc_attr_data_structures/src/encode_cross_crate.rs
+++ b/compiler/rustc_attr_data_structures/src/encode_cross_crate.rs
@@ -23,6 +23,7 @@ impl AttributeKind {
             ConstContinue(..) => No,
             ConstStability { .. } => Yes,
             ConstStabilityIndirect => No,
+            ConstTrait(..) => No,
             Deprecation { .. } => Yes,
             DocComment { .. } => Yes,
             Dummy => No,