Enforce LF line endings in the git database.

tests/compiler/dart2js/type_promotion_test.dart

 // Copyright (c) 2013, 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.
 
 // Test that dart2js produces the expected static type warnings for type
 // promotion language tests. This ensures that the analyzer and dart2js agrees
 // on these tests.
 
 import 'warnings_checker.dart';
 
 /// Map from test files to a map of their expected status. If the status map is
 /// `null` no warnings must be missing or unexpected, otherwise the status map
 /// can contain a list of line numbers for keys 'missing' and 'unexpected' for
 /// the warnings of each category.
 const Map<String, dynamic> TESTS = const {
     'language/type_promotion_assign_test.dart': null,
     'language/type_promotion_closure_test.dart': null,
     'language/type_promotion_functions_test.dart':
         const {'missing': const [62, 63, 64]}, // Issue 14933.
     'language/type_promotion_local_test.dart': null,
     'language/type_promotion_logical_and_test.dart': null,
     'language/type_promotion_more_specific_test.dart': null,
     'language/type_promotion_multiple_test.dart': null,
     'language/type_promotion_parameter_test.dart': null,
 };
 
 void main() {
   checkWarnings(TESTS);
 }