Migrate block 114 (and some of 113).

tests/language/generic_sends_test.dart

-// Copyright (c) 2016, 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.
-//
-// VMOptions=--generic-method-syntax
-
-/// Dart test verifying that the parser can handle certain cases where
-/// grammar ambiguity is resolved in favor of generic sends, not
-/// relational expressions.
-
-library generic_sends_test;
-
-f(arg1, [arg2]) => null;
-g<X, Y>(arg) => null;
-
-main() {
-  // Generic invocations.
-  f(g<int, String>(3));
-  f(g<int, List<String>>(3));
-  f(g<int, String>(3), 4);
-  f(g<int, List<String>>(3), 4);
-
-  // Relational expressions.
-  int a = 0, b = 1, c = 2, d = 3;
-  f(a < b, c > 3);
-  f(a < b, c >> 3);
-  f(a < b, c < d >> 3);
-}