Fix the parser to handle generic type arguments in named constructor invocations (issue 26183)

pkg/analyzer/lib/src/generated/parser.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.src.generated.parser;
 
 import 'dart:collection';
 import "dart:math" as math;
 
 import 'package:analyzer/dart/ast/ast.dart';
@@ skipping 3368 matching lines @@
 
   /**
    * Parse a prefixed identifier. Return the prefixed identifier that was
    * parsed.
    *
    *     prefixedIdentifier ::=
    *         identifier ('.' identifier)?
    */
   Identifier parsePrefixedIdentifier() {
     SimpleIdentifier qualifier = parseSimpleIdentifier();
-    if (!_matches(TokenType.PERIOD)) {
+    if (!_matches(TokenType.PERIOD) || _injectGenericCommentTypeList()) {
       return qualifier;
     }
     Token period = getAndAdvance();
     SimpleIdentifier qualified = parseSimpleIdentifier();
     return new PrefixedIdentifier(qualifier, period, qualified);
   }
 
   /**
    * Parse a return type. Return the return type that was parsed.
    *
@@ skipping 6559 matching lines @@
    */
   const ParserErrorCode(String name, String message, [String correction])
       : super(name, message, correction);
 
   @override
   ErrorSeverity get errorSeverity => ErrorSeverity.ERROR;
 
   @override
   ErrorType get type => ErrorType.SYNTACTIC_ERROR;
 }