{
   <gflags_parse_string_flag_value>
   Memcheck:Leak
   match-leak-kinds: possible
   ...
   fun:_ZN3fLS25dont_pass0toDEFINE_stringEPcPKc
   ...
   fun:__libc_csu_init
   fun:(below main)
}
{
   <gflags_parse_flag_value>
   Memcheck:Leak
   match-leak-kinds: possible
   ...
   fun:_ZN6google12_GLOBAL__N_19FlagValue9ParseFromEPKc
   ...
   fun:_ZN6google21ParseCommandLineFlagsEPiPPPcb
   fun:main
}