Fix for parsing EmptyFunctionBody with Fasta.

pkg/analyzer/test/generated/parser_test.dart

 // Copyright (c) 2014, 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 analyzer.test.generated.parser_test;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/standard_ast_factory.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/ast/visitor.dart';
@@ skipping 533 matching lines @@
     expect(method.parameters, isNull);
   }
 
   void test_parseClassMember_method_external() {
     createParser('external m();');
     ClassMember member = parser.parseClassMember('C');
     expect(member, isNotNull);
     assertNoErrors();
     expect(member, new isInstanceOf<MethodDeclaration>());
     MethodDeclaration method = member;
-    expect(method.body, isNotNull);
     expect(method.documentationComment, isNull);
     expect(method.externalKeyword, isNotNull);
     expect(method.modifierKeyword, isNull);
     expect(method.name, isNotNull);
     expect(method.operatorKeyword, isNull);
     expect(method.typeParameters, isNull);
     expect(method.parameters, isNotNull);
     expect(method.propertyKeyword, isNull);
     expect(method.returnType, isNull);
+
+    var body = method.body as EmptyFunctionBody;
+    expect(body.keyword, isNull);
+    expect(body.star, isNull);
+    expect(body.semicolon.type, TokenType.SEMICOLON);
   }
 
   void test_parseClassMember_method_external_withTypeAndArgs() {
     createParser('external int m(int a);');
     ClassMember member = parser.parseClassMember('C');
     expect(member, isNotNull);
     assertNoErrors();
     expect(member, new isInstanceOf<MethodDeclaration>());
     MethodDeclaration method = member;
     expect(method.body, isNotNull);
@@ skipping 14182 matching lines @@
     expect(functionType.returnType, isNotNull);
     expect(functionType.typeParameters, isNull);
   }
 
   void test_parseTypeAlias_genericFunction_withDocComment() {
     createParser('/// Doc\ntypedef F = bool Function();');
     var typeAlias = parseFullCompilationUnitMember() as GenericTypeAlias;
     expectCommentText(typeAlias.documentationComment, '/// Doc');
   }
 }