Reland "Merge more Kernel infrastructure from kernel_sdk SDK fork."

tests/kernel/unsorted/nsm_dispatcher_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.
+
+import 'expect.dart';
+
+class A {
+  noSuchMethod(Invocation invocation) {
+    var s = '|${invocation.memberName}|';
+    for (var a in invocation.positionalArguments) {
+      s = '$s$a|';
+    }
+    invocation.namedArguments.forEach((Symbol k, v) {
+      s = '$s$k/$v|';
+    });
+    print(s);
+    return s;
+  }
+}
+
+main() {
+  var o = new A();
+  Expect.isTrue(o.fun() == '|Symbol("fun")|');
+  Expect.isTrue(o.fun(1) == '|Symbol("fun")|1|');
+  Expect.isTrue(o.fun(1, 2) == '|Symbol("fun")|1|2|');
+  Expect.isTrue(o.fun(1, b: 2) ==
+      '|Symbol("fun")|1|Symbol("b")/2|');
+  Expect.isTrue(o.fun(1, a: 1, b: 2) ==
+      '|Symbol("fun")|1|Symbol("a")/1|Symbol("b")/2|');
+  Expect.isTrue(o.fun(1, b: 2, a: 1) ==
+      '|Symbol("fun")|1|Symbol("a")/1|Symbol("b")/2|');
+}