// 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;

class C {
  T m<T>(int a, [T b]) => null;
}

main() {
  var /*@ type=double* */ y =
      new C(). /*@ typeArgs=double* */ /*@target=C.m*/ m(1, 2.0);
}