MDEV-16733 mysqldump --tab and --xml options are conflicting

client/mysqldump.c

@@ -1350,6 +1350,11 @@ static int get_options(int *argc, char ***argv)
 	    my_progname_short);
     return(EX_USAGE);
   }
+  if (opt_xml && path)
+  {
+    fprintf(stderr, "%s: --xml can't be used with --tab.\n", my_progname_short);
+    return(EX_USAGE);
+  }
   if (opt_asof_timestamp && strchr(opt_asof_timestamp, '\''))
   {
     fprintf(stderr, "%s: Incorrect DATETIME value: '%s'\n",

mysql-test/main/mysqldump.result

@@ -6584,3 +6584,4 @@ SET GLOBAL LOG_OUTPUT=DEFAULT, GLOBAL GENERAL_LOG=@save_general_log;
 TRUNCATE TABLE mysql.general_log;
 DROP DATABASE test1;
 # End of 10.3 tests
+mysqldump: --xml can't be used with --tab.

mysql-test/main/mysqldump.test

@@ -2980,3 +2980,10 @@ DROP DATABASE test1;
 --remove_file $MYSQLTEST_VARDIR/tmp/dumptest1.sql
 
 --echo # End of 10.3 tests
+
+#
+# MDEV-16733 mysqldump --tab and --xml options are conflicting
+#
+--replace_result mysqldump.exe mysqldump
+--error 1
+--exec $MYSQL_DUMP --xml --tab=$MYSQLTEST_VARDIR/tmp 2>&1