[strong] Declaration-after-use errors.

src/parser.h

Index: src/parser.h
diff --git a/src/parser.h b/src/parser.h
index bc0b7ab51b0546257d807260331c540098d6d133..ad6e07701e05495e2b8ef88278acd7c630d13c9b 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -8,6 +8,7 @@
 #include "src/allocation.h"
 #include "src/ast.h"
 #include "src/compiler.h"  // For CachedDataMode
+#include "src/pending-compilation-error-handler.h"
 #include "src/preparse-data.h"
 #include "src/preparse-data-format.h"
 #include "src/preparser.h"
@@ -541,7 +542,8 @@ class ParserTraits {
                                  int end_pos);
   Literal* ExpressionFromLiteral(Token::Value token, int pos, Scanner* scanner,
                                  AstNodeFactory* factory);
-  Expression* ExpressionFromIdentifier(const AstRawString* name, int pos,
+  Expression* ExpressionFromIdentifier(const AstRawString* name,
+                                       int start_position, int end_position,
                                        Scope* scope, AstNodeFactory* factory);
   Expression* ExpressionFromString(int pos, Scanner* scanner,
                                    AstNodeFactory* factory);
@@ -843,13 +845,7 @@ class Parser : public ParserBase<ParserTraits> {
 
   bool parsing_lazy_arrow_parameters_;  // for lazily parsed arrow functions.
 
-  // Pending errors.
-  bool has_pending_error_;
-  Scanner::Location pending_error_location_;
-  const char* pending_error_message_;
-  const AstRawString* pending_error_arg_;
-  const char* pending_error_char_arg_;
-  ParseErrorType pending_error_type_;
+  PendingCompilationErrorHandler pending_error_handler_;
 
   // Other information which will be stored in Parser and moved to Isolate after
   // parsing.