2 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs
index 46da5b9d2e4..da31382112a 100644
--- a/compiler/rustc_resolve/src/diagnostics.rs
+++ b/compiler/rustc_resolve/src/diagnostics.rs
@@ -568,12 +568,14 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
                     DefKind::Const => Some(errs::GenericParamsFromOuterItemStaticOrConst::Const),
                     _ => None,
                 };
+                let is_self = matches!(outer_res, Res::SelfTyParam { .. } | Res::SelfTyAlias { .. });
                 let mut err = errs::GenericParamsFromOuterItem {
                     span,
                     label: None,
                     refer_to_type_directly: None,
                     sugg: None,
                     static_or_const,
+                    is_self,
                 };
 
                 let sm = self.tcx.sess.source_map();
diff --git a/compiler/rustc_resolve/src/errors.rs b/compiler/rustc_resolve/src/errors.rs
index bd00cab66b0..da89df84c8a 100644
--- a/compiler/rustc_resolve/src/errors.rs
+++ b/compiler/rustc_resolve/src/errors.rs
@@ -46,6 +46,7 @@ pub(crate) struct GenericParamsFromOuterItem {
     pub(crate) sugg: Option<GenericParamsFromOuterItemSugg>,
     #[subdiagnostic]
     pub(crate) static_or_const: Option<GenericParamsFromOuterItemStaticOrConst>,
+    pub(crate) is_self: bool,
 }
 
 #[derive(Subdiagnostic)]