message: Another Valgrind suppression for Ubuntu 16.04
diff: ...
  fun:_ZN5boost6locale8impl_icu20icu_formatters_cacheC1ERKN6icu_556LocaleE
  }
  +
  +{
  + <insert_a_suppression_name_here>
  + Memcheck:Leak
  + match-leak-kinds: definite
  + ...
  + fun:__static_initialization_and_destruction_0
  + fun:_GLOBAL__sub_I_json_diff.cc
  +}
  