Allow 'void' as a type argument (fixes #28945).

runtime/vm/parser.cc

 // Copyright (c) 2012, 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.
 
 #include "vm/parser.h"
 #include "vm/flags.h"
 
 #ifndef DART_PRECOMPILED_RUNTIME
 
 #include "lib/invocation_mirror.h"
@@ skipping 5512 matching lines @@
     }
   }
   return metadata_pos;
 }
 
 
 void Parser::SkipTypeArguments() {
   if (CurrentToken() == Token::kLT) {
     do {
       ConsumeToken();
-      SkipTypeOrFunctionType(false);
+      SkipTypeOrFunctionType(true);
     } while (CurrentToken() == Token::kCOMMA);
     Token::Kind token = CurrentToken();
     if ((token == Token::kGT) || (token == Token::kSHR)) {
       ConsumeRightAngleBracket();
     } else {
       ReportError("right angle bracket expected");
     }
   }
 }
 
@@ skipping 134 matching lines @@
 
 
 RawTypeArguments* Parser::ParseTypeArguments(
     ClassFinalizer::FinalizationKind finalization) {
   TRACE_PARSER("ParseTypeArguments");
   if (CurrentToken() == Token::kLT) {
     GrowableArray<AbstractType*> types;
     AbstractType& type = AbstractType::Handle(Z);
     do {
       ConsumeToken();
-      type = ParseTypeOrFunctionType(false, finalization);
+      type = ParseTypeOrFunctionType(true, finalization);
       // Map a malformed type argument to dynamic.
       if (type.IsMalformed()) {
         type = Type::DynamicType();
       }
       types.Add(&AbstractType::ZoneHandle(Z, type.raw()));
     } while (CurrentToken() == Token::kCOMMA);
     Token::Kind token = CurrentToken();
     if ((token == Token::kGT) || (token == Token::kSHR)) {
       ConsumeRightAngleBracket();
     } else {
@@ skipping 9615 matching lines @@
                                                 TokenPosition* start,
                                                 TokenPosition* end) {
   UNREACHABLE();
   return false;
 }
 
 
 }  // namespace dart
 
 #endif  // DART_PRECOMPILED_RUNTIME