Support generic methods in kernel

tests/compiler/dart2js/kernel/impact_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.
 
 library dart2js.kernel.impact_test;
 
 import 'package:async_helper/async_helper.dart';
 import 'package:compiler/src/commandline_options.dart';
 import 'package:compiler/src/common.dart';
 import 'package:compiler/src/common/names.dart';
@@ skipping 150 matching lines @@
   testGenericClass();
   testSuperCall();
   testSuperGet();
   testSuperFieldSet();
   testSuperSetterSet();
   testSuperClosurization();
   testForwardingConstructor();
   testForwardingConstructorTyped();
   testForwardingConstructorGeneric();
   testEnum();
+  testStaticGenericMethod();
+  testInstanceGenericMethod();
 }
 
 testEmpty() {}
 testNull() => null;
 testTrue() => true;
 testFalse() => false;
 testInt() => 42;
 testDouble() => 37.5;
 testString() => 'foo';
 testStringInterpolation() => '${0}';
@@ skipping 395 matching lines @@
   ForwardingConstructorGenericSuperClass(T arg);
 }
 class ForwardingConstructorGenericClass<S> =
     ForwardingConstructorGenericSuperClass<S> with EmptyMixin;
 testForwardingConstructorGeneric() {
   new ForwardingConstructorGenericClass<int>(null);
 }
 
 enum Enum { A }
 testEnum() => Enum.A;
+
+List<T> staticGenericMethod<T>(T arg) => [arg];
+testStaticGenericMethod() {
+  staticGenericMethod<int>(0);
+}
+
+testInstanceGenericMethod() {
+  new GenericClass<int, String>.generative().genericMethod<bool>(false);
+}
 ''',
   'helper.dart': '''
 class Class {
   const Class.generative();
   factory Class.fact() => null;
   const factory Class.redirect() = Class.generative;
 }
 class GenericClass<X, Y> {
   const GenericClass.generative();
   factory GenericClass.fact() => null;
   const factory GenericClass.redirect() = GenericClass<X, Y>.generative;
+
+  Map<X, T> genericMethod<T>(T arg) => { null: arg };
 }
 typedef Typedef();
 typedef X GenericTypedef<X, Y>(Y y);
 ''',
 };
 
 main(List<String> args) {
   asyncTest(() async {
     enableDebugMode();
     Uri entryPoint = Uri.parse('memory:main.dart');
     Compiler compiler = compilerFor(
         entryPoint: entryPoint,
         memorySourceFiles: SOURCE,
         options: [
           Flags.analyzeAll,
           Flags.useKernel,
           Flags.enableAssertMessage
         ]);
     compiler.resolution.retainCachesForTesting = true;
     await compiler.run(entryPoint);
+    checkLibrary(compiler, compiler.mainApp, fullTest: args.contains('--full'));
     compiler.libraryLoader.libraries.forEach((LibraryElement library) {
+      if (library == compiler.mainApp) return;
       checkLibrary(compiler, library, fullTest: args.contains('--full'));
     });
   });
 }
 
 void checkLibrary(Compiler compiler, LibraryElement library,
     {bool fullTest: false}) {
   library.forEachLocalMember((AstElement element) {
     if (element.isClass) {
       ClassElement cls = element;
@@ skipping 178 matching lines @@
         visitList(type.optionalParameterTypes),
         type.namedParameters,
         visitList(type.namedParameterTypes));
   }
 }
 
 /// Perform unaliasing of all typedefs nested within a [DartType].
 DartType unalias(DartType type) {
   return const Unaliaser().visit(type);
 }