Make invalid LHSs a parse-time (reference) error

src/preparser.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 51 matching lines @@
       expression.AsIdentifier().IsEvalOrArguments()) {
     pre_parser_->ReportMessage("strict_eval_arguments",
                                Vector<const char*>::empty());
     *ok = false;
   }
 }
 
 
 void PreParserTraits::ReportMessageAt(Scanner::Location location,
                                       const char* message,
-                                      Vector<const char*> args) {
+                                      Vector<const char*> args,
+                                      bool is_reference_error) {
   ReportMessageAt(location.beg_pos,
                   location.end_pos,
                   message,
-                  args.length() > 0 ? args[0] : NULL);
+                  args.length() > 0 ? args[0] : NULL,
+                  is_reference_error);
 }
 
 
 void PreParserTraits::ReportMessageAt(Scanner::Location location,
                                       const char* type,
-                                      const char* name_opt) {
+                                      const char* name_opt,
+                                      bool is_reference_error) {
   pre_parser_->log_
       ->LogMessage(location.beg_pos, location.end_pos, type, name_opt);
 }
 
 
 void PreParserTraits::ReportMessageAt(int start_pos,
                                       int end_pos,
                                       const char* type,
-                                      const char* name_opt) {
+                                      const char* name_opt,
+                                      bool is_reference_error) {
   pre_parser_->log_->LogMessage(start_pos, end_pos, type, name_opt);
 }
 
 
 PreParserIdentifier PreParserTraits::GetSymbol(Scanner* scanner) {
   pre_parser_->LogSymbol();
   if (scanner->current_token() == Token::FUTURE_RESERVED_WORD) {
     return PreParserIdentifier::FutureReserved();
   } else if (scanner->current_token() ==
              Token::FUTURE_STRICT_RESERVED_WORD) {
@@ skipping 1110 matching lines @@
 
 
 void PreParser::LogSymbol() {
   if (log_->ShouldLogSymbols()) {
     scanner()->LogSymbol(log_, position());
   }
 }
 
 
 } }  // v8::internal