intptr should be unsigned

include/my_global.h

@@ -972,11 +972,11 @@ typedef unsigned long long my_ulonglong;
 #endif
 
 #if SIZEOF_CHARP == SIZEOF_INT
-typedef int intptr;
+typedef unsigned int intptr;
 #elif SIZEOF_CHARP == SIZEOF_LONG
-typedef long intptr;
+typedef unsigned long intptr;
 #elif SIZEOF_CHARP == SIZEOF_LONG_LONG
-typedef long long intptr;
+typedef unsigned long long intptr;
 #else
 #error sizeof(void *) is neither sizeof(int) nor sizeof(long) nor sizeof(long long)
 #endif

storage/maria/ma_loghandler.c

@@ -9038,7 +9038,7 @@ static uchar *dump_chunk(uchar *buffer, uchar *ptr)
   }
   {
     intptr offset= ptr - buffer;
-    DBUG_ASSERT(offset >= 0 && offset <= UINT_MAX16);
+    DBUG_ASSERT(offset <= UINT_MAX16);
     length= translog_get_total_chunk_length(buffer, (uint16)offset);
   }
   printf("      Length %u\n", length);