Fix C++ compilation issue

src/preparser.h

 // Copyright 2012 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 1608 matching lines @@
   if (fni_ != NULL) fni_->Enter();
   typename Traits::Type::Expression expression =
       this->ParseConditionalExpression(accept_IN, CHECK_OK);
 
   if (!Token::IsAssignmentOp(peek())) {
     if (fni_ != NULL) fni_->Leave();
     // Parsed conditional expression only (no assignment).
     return expression;
   }
 
-  if (!IsValidLeftHandSide(expression)) {
+  if (!this->IsValidLeftHandSide(expression)) {

[tfarina, 2014/03/19 17:33:01]

what was the error? Usually it is good to paste it in the CL description. Was
this clang only?

[rossberg, 2014/03/19 18:13:16]

The usual C++ idiocy about template parameter dependent name resolution, that
only some compilers bother to diagnose. Why?

     this->ReportMessageAt(lhs_location, "invalid_lhs_in_assignment", true);
     *ok = false;
     return this->EmptyExpression();
   }
 
   if (strict_mode() == STRICT) {
     // Assignment to eval or arguments is disallowed in strict mode.
     this->CheckStrictModeLValue(expression, CHECK_OK);
   }
   expression = this->MarkExpressionAsLValue(expression);
@@ skipping 87 matching lines @@
                                "accessor_get_set");
     }
     *ok = false;
   }
 }
 
 
 } }  // v8::internal
 
 #endif  // V8_PREPARSER_H