Do not use MY_WME in the stat call which errors we process on high level.

(BUG#41127: Maria: assertion when SHOW ENGINE MARIA LOGS and missing logs)

mysql-test/suite/maria/r/maria_showlog_error.result:
  test suite for the BUG#41127
mysql-test/suite/maria/t/maria_showlog_error.test:
  test suite for the BUG#41127
storage/maria/ha_maria.cc:
  Do not use MY_WME in the stat call which errors we process on high level.

mysql-test/suite/maria/r/maria_showlog_error.result

+* shut down mysqld, removed logs, restarted it
+show engine maria logs;
+Type	Name	Status
+MARIA	Size unknown ; maria_log.00000001	can't stat
+* shut down mysqld, removed logs, restarted it

mysql-test/suite/maria/t/maria_showlog_error.test

+-- source include/have_maria.inc
+# remove_file can't remove opened file under windows. So we can't reproduce
+# the problem there
+--source include/not_windows.inc
+#
+# BUG#41127 test suite
+#
+connect (admin, localhost, root,,test,,);
+--enable_reconnect
+
+connection default;
+--enable_reconnect
+
+# cleunup before this test
+-- source include/maria_empty_logs.inc
+
+connection default;
+
+remove_file $MYSQLTEST_VARDIR/master-data/$MARIA_LOG/maria_log.00000001;
+--replace_regex /Size unknown ; .*maria_log.00000001/Size unknown ; maria_log.00000001/
+show engine maria logs;
+
+# cleunup after this test
+-- source include/maria_empty_logs.inc
+
+disconnect admin;
+connection default;

storage/maria/ha_maria.cc

@@ -2956,7 +2956,7 @@ bool maria_show_status(handlerton *hton,
       const char error[]= "can't stat";
       char object[SHOW_MSG_LEN];
       file= translog_filename_by_fileno(i, path);
-      if (!(stat= my_stat(file, &stat_buff, MYF(MY_WME))))
+      if (!(stat= my_stat(file, &stat_buff, MYF(0))))
       {
         status= error;
         status_len= sizeof(error) - 1;