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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 dd301fdfb12..fe947c778b5 100644
--- a/compiler/rustc_attr_data_structures/src/attributes.rs
+++ b/compiler/rustc_attr_data_structures/src/attributes.rs
@@ -343,6 +343,9 @@ pub enum AttributeKind {
     /// Represents `#[rustc_skip_during_method_dispatch]`.
     SkipDuringMethodDispatch { array: bool, boxed_slice: bool, span: Span },
 
+    /// Represents `#[rustc_specialization_trait]`.
+    SpecializationTrait(Span),
+
     /// Represents `#[stable]`, `#[unstable]` and `#[rustc_allowed_through_unstable_modules]`.
     Stability {
         stability: Stability,
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 08e5e971a7d..8833f6102db 100644
--- a/compiler/rustc_attr_data_structures/src/encode_cross_crate.rs
+++ b/compiler/rustc_attr_data_structures/src/encode_cross_crate.rs
@@ -55,6 +55,7 @@ impl AttributeKind {
             RustcLayoutScalarValidRangeStart(..) => Yes,
             RustcObjectLifetimeDefault => No,
             SkipDuringMethodDispatch { .. } => No,
+            SpecializationTrait(..) => No,
             Stability { .. } => Yes,
             StdInternalSymbol(..) => No,
             TargetFeature(..) => No,