diff --color -uNr a/src/corelib/text/qbytearraymatcher.h b/src/corelib/text/qbytearraymatcher.h
--- a/src/corelib/text/qbytearraymatcher.h	2020-10-27 16:02:11.000000000 +0800
+++ b/src/corelib/text/qbytearraymatcher.h	2021-07-19 06:22:30.139372013 +0800
@@ -41,7 +41,7 @@
 #define QBYTEARRAYMATCHER_H
 
 #include <QtCore/qbytearray.h>
-
+#include <limits>
 QT_BEGIN_NAMESPACE