Fix source_to_def for named enum variant fields

Author: jonas-schievink

crates/hir/src/semantics/source_to_def.rs

@@ -189,6 +189,10 @@ impl SourceToDefCtx<'_, '_> {
                         let def = self.type_alias_to_def(container.with_value(it))?;
                         def.into()
                     },
+                    ast::Variant(it) => {
+                        let def = self.enum_variant_to_def(container.with_value(it))?;
+                        VariantId::from(def).into()
+                    },
                     _ => continue,
                 }
             };

crates/ide/src/references.rs

@@ -405,6 +405,23 @@ enum Foo {
         );
     }
 
+    #[test]
+    fn test_find_all_refs_enum_var_field() {
+        check(
+            r#"
+enum Foo {
+    A,
+    B { field<|>: u8 },
+    C,
+}
+"#,
+            expect![[r#"
+                field RECORD_FIELD FileId(0) 26..35 26..31 Other
+
+            "#]],
+        );
+    }
+
     #[test]
     fn test_find_all_refs_two_modules() {
         check(