Fix look-ahead parsing code in the VM (fixes #29243).

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 8230 matching lines @@
   int nesting_level = 0;
   do {
     Token::Kind ct = CurrentToken();
     if (ct == Token::kLT) {
       nesting_level++;
     } else if (ct == Token::kGT) {
       nesting_level--;
     } else if (ct == Token::kSHR) {
       nesting_level -= 2;
     } else if (ct == Token::kIDENT) {
-      // Check to see if it is a qualified identifier.
-      if (LookaheadToken(1) == Token::kPERIOD) {
-        // Consume the identifier, the period will be consumed below.
-        ConsumeToken();
+      if (IsFunctionTypeSymbol()) {
+        if (!TryParseType(false)) {
+          return false;
+        }
+        continue;
+      } else {
+        // Check to see if it is a qualified identifier.
+        if (LookaheadToken(1) == Token::kPERIOD) {
+          // Consume the identifier, the period will be consumed below.
+          ConsumeToken();
+        }
       }
     } else if (ct != Token::kCOMMA) {
       return false;
     }
     ConsumeToken();
   } while (nesting_level > 0);
   if (nesting_level < 0) {
     return false;
   }
   return true;
@@ skipping 112 matching lines @@
     if (allow_void) {
       found = true;
     } else if (!IsFunctionTypeSymbol()) {
       return false;
     }
   } else if ((CurrentToken() == Token::kIDENT) && !IsFunctionTypeSymbol()) {
     // 'Function' not followed by '(' or '<' means the Function class.
     if (!TryParseQualIdent()) {
       return false;
     }
-    if ((CurrentToken() == Token::kLT) && !TryParseTypeParameters()) {
+    if ((CurrentToken() == Token::kLT) && !TryParseTypeArguments()) {
       return false;
     }
     found = true;
   }
   while (IsFunctionTypeSymbol()) {
     ConsumeToken();
     if ((CurrentToken() == Token::kLT) && !TryParseTypeParameters()) {
       return false;
     }
     if (CurrentToken() == Token::kLPAREN) {
@@ skipping 6794 matching lines @@
     const ArgumentListNode& function_args,
     const LocalVariable* temp_for_last_arg,
     bool is_super_invocation) {
   UNREACHABLE();
   return NULL;
 }
 
 }  // namespace dart
 
 #endif  // DART_PRECOMPILED_RUNTIME