pkg/front_end/testcases/inference/generic_methods_downwards_inference_affects_arguments.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.
// @dart=2.9
/*@testedFeatures=inference*/
library test;

T f<T>(List<T> s) => null;
test() {
  String x = /*@ typeArgs=String* */ f(/*@ typeArgs=String* */ ['hi']);
  String y =
      /*@ typeArgs=String* */ f(
          /*@ typeArgs=String* */ [/*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ 42]);
}

main() {}