1 files changed, 11 insertions, 0 deletions
diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs
index e83f6a1df72..96501844264 100644
--- a/compiler/rustc_hir/src/hir.rs
+++ b/compiler/rustc_hir/src/hir.rs
@@ -1363,6 +1363,17 @@ impl AttributeExt for Attribute {
             _ => None,
         }
     }
+
+    fn is_proc_macro_attr(&self) -> bool {
+        matches!(
+            self,
+            Attribute::Parsed(
+                AttributeKind::ProcMacro(..)
+                    | AttributeKind::ProcMacroAttribute(..)
+                    | AttributeKind::ProcMacroDerive { .. }
+            )
+        )
+    }
 }
 
 // FIXME(fn_delegation): use function delegation instead of manually forwarding