Implement type variables on local function declarations and expressions.

pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart

 // Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer.test.src.summary.resynthesize_kernel_test;
 
 import 'dart:async';
 
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
@@ skipping 117 matching lines @@
 
   @failingTest
   @fastaProblem
   test_class_type_parameters_bound() async {
     // Fasta does not provide a flag for explicit vs. implicit Object bound.
     await super.test_class_type_parameters_bound();
   }
 
   @failingTest
   @fastaProblem
-  test_closure_generic() async {
-    // https://github.com/dart-lang/sdk/issues/30265
-    await super.test_closure_generic();
-  }
-
-  @failingTest
-  @fastaProblem
   test_const_invalid_field_const() async {
     // Fasta generates additional `#errors` top-level variable.
     await super.test_const_invalid_field_const();
   }
 
   @failingTest
   @fastaProblem
   test_const_invalid_intLiteral() async {
     // https://github.com/dart-lang/sdk/issues/30266
     await super.test_const_invalid_intLiteral();
@@ skipping 796 matching lines @@
   @override
   Future<List<int>> readAsBytes() async {
     return file.readAsBytesSync();
   }
 
   @override
   Future<String> readAsString() async {
     return file.readAsStringSync();
   }
 }