Fix assignable syntax analysis

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 "lib/invocation_mirror.h"
 #include "platform/utils.h"
 #include "vm/bootstrap.h"
 #include "vm/class_finalizer.h"
@@ skipping 10356 matching lines @@
                String::Handle(current_class().Name()).ToCString());
     }
     if (current_class().IsMixinApplication()) {
       const Type& mixin_type = Type::Handle(current_class().mixin());
       if (mixin_type.type_class() == current_function().origin()) {
         ErrorMsg("method of mixin class '%s' may not refer to 'super'",
                  String::Handle(Class::Handle(
                      current_function().origin()).Name()).ToCString());
       }
     }
+    const intptr_t super_pos = TokenPos();
     ConsumeToken();
     if (CurrentToken() == Token::kPERIOD) {
       ConsumeToken();
       const intptr_t ident_pos = TokenPos();
       const String& ident = *ExpectIdentifier("identifier expected");
       if (CurrentToken() == Token::kLPAREN) {
         primary = ParseSuperCall(ident);
       } else {
         primary = ParseSuperFieldAccess(ident, ident_pos);
       }
     } else if ((CurrentToken() == Token::kLBRACK) ||
         Token::CanBeOverloaded(CurrentToken()) ||
         (CurrentToken() == Token::kNE)) {
       primary = ParseSuperOperator();
     } else {
-      primary = new PrimaryNode(TokenPos(), Symbols::Super());
+      primary = new PrimaryNode(super_pos, Symbols::Super());
     }
   } else {
     UnexpectedToken();
   }
   return primary;
 }
 
 
 // Evaluate expression in expr and return the value. The expression must
 // be a compile time constant.
@@ skipping 350 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart