fix #28141, fix super generic method bounds check

pkg/analyzer/lib/src/dart/element/type.dart

Index: pkg/analyzer/lib/src/dart/element/type.dart
diff --git a/pkg/analyzer/lib/src/dart/element/type.dart b/pkg/analyzer/lib/src/dart/element/type.dart
index c1feff9e4553d795f1e3cf4d195c9f937f4c4673..4c3749924ca709a5d4c6998d8c4744f8d3fbbb3c 100644
--- a/pkg/analyzer/lib/src/dart/element/type.dart
+++ b/pkg/analyzer/lib/src/dart/element/type.dart
@@ -602,13 +602,7 @@ class FunctionTypeImpl extends TypeImpl implements FunctionType {
 
     // Create type formals with specialized bounds.
     // For example `<U extends T>` where T comes from an outer scope.
-    List<TypeParameterElement> result =
-        new List<TypeParameterElement>(formalCount);
-
-    for (int i = 0; i < formalCount; i++) {
-      result[i] = TypeParameterMember.from(baseTypeFormals[i], this);
-    }
-    return result;
+    return TypeParameterMember.from(baseTypeFormals, this);
   }
 
   @override