message: Valgrind fixes for Ubuntu 18.04
diff: obj:/lib/x86_64-linux-gnu/ld-2.15.so
  }
  +{
  + ValueDescription recursive leak for Ubuntu 18.04
  + Memcheck:Leak
  + match-leak-kinds: definite
  + fun:_Znam
  + fun:getDefaultDescriptionUninitialized
  + ...
  + fun:RegisterValueDescriptionI
  + fun:__cxx_global_var_init.48
  + fun:call_init
  + fun:_dl_init
  + ...
  +}
  +
  +
  {
  <insert_a_suppression_name_here>
  Memcheck:Leak
  fun:__static_initialization_and_destruction_0
  fun:_GLOBAL__sub_I_json_diff.cc
  }
  +
  +{
  + Gperftools github issue 792 false positive (mismatched free/delete in tcmalloc on purpose for performance reasons)
  + Memcheck:Free
  + fun:free
  + ...
  +}
  