Replace is_reference_error bool argument with ParseErrorType enum

src/preparse-data-format.h

Index: src/preparse-data-format.h
diff --git a/src/preparse-data-format.h b/src/preparse-data-format.h
index 391a3510718cccc6c9b0588524ac9145f8d2dfbc..de106939c77d9aa88fa863381f29fd1cb1888105 100644
--- a/src/preparse-data-format.h
+++ b/src/preparse-data-format.h
@@ -27,7 +27,7 @@ struct PreparseDataConstants {
   static const int kMessageStartPos = 0;
   static const int kMessageEndPos = 1;
   static const int kMessageArgCountPos = 2;
-  static const int kIsReferenceErrorPos = 3;
+  static const int kParseErrorTypePos = 3;
   static const int kMessageTextPos = 4;
 
   static const unsigned char kNumberTerminator = 0x80u;