sys_vars.ignore_db_dirs_basic fails under Valgrind

worker[1] Using MTR_BUILD_THREAD 300, with reserved ports 16000..16019

sys_vars.ignore_db_dirs_basic            [ fail ]  Found warnings/errors in server log file!

        Test ended at 2016-02-17 12:15:29

line

==15149== Conditional jump or move depends on uninitialised value(s)

==15149==    at 0x4C31FCE: strstr (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)

==15149==    by 0x7745FD: find_opts(argv_copy&, opt*) (wsrep_check_opts.cc:159)

==15149==    by 0x774B90: check_opts(int, char const* const*, opt*) (wsrep_check_opts.cc:275)

==15149==    by 0x7751BF: wsrep_check_opts(int, char* const*) (wsrep_check_opts.cc:381)

==15149==    by 0x55D076: init_common_variables() (mysqld.cc:3775)

==15149==    by 0x561844: mysqld_main(int, char**) (mysqld.cc:5631)

==15149==    by 0x5571AC: main (main.cc:25)

^ Found warnings in /home/nirbhay/project/git-repo/maria/5.5-galera/install/mysql-test/var/log/mysqld.1.err