Fix a bug parsing generic methods

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 engine.parser_test;
 
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/error.dart';
@@ skipping 6936 matching lines @@
     expect(declaration.propertyKeyword, isNull);
   }
 
   void test_parseCompilationUnitMember_function_type() {
     FunctionDeclaration declaration = parse("parseCompilationUnitMember",
         <Object>[emptyCommentAndMetadata()], "int f() {}");
     expect(declaration.functionExpression, isNotNull);
     expect(declaration.propertyKeyword, isNull);
   }
 
+  void test_parseCompilationUnitMember_function_withTypeParameters() {
+    enableGenericMethods = true;
+    FunctionDeclaration declaration = parse("parseCompilationUnitMember",
+        <Object>[emptyCommentAndMetadata()], "void f<T>(T t) {}");
+    expect(declaration.functionExpression, isNotNull);
+    expect(declaration.propertyKeyword, isNull);
+  }
+
   void test_parseCompilationUnitMember_function_void() {
     FunctionDeclaration declaration = parse("parseCompilationUnitMember",
         <Object>[emptyCommentAndMetadata()], "void f() {}");
     expect(declaration.returnType, isNotNull);
   }
 
   void test_parseCompilationUnitMember_getter_external_noType() {
     FunctionDeclaration declaration = parse("parseCompilationUnitMember",
         <Object>[emptyCommentAndMetadata()], "external get p;");
     expect(declaration.externalKeyword, isNotNull);
@@ skipping 4142 matching lines @@
         new Scanner(null, new CharSequenceReader(source), listener);
     Token tokenStream = scanner.tokenize();
     //
     // Parse the source.
     //
     Parser parser = new Parser(null, listener);
     return invokeParserMethodImpl(
         parser, methodName, <Object>[tokenStream], tokenStream) as Token;
   }
 }