readline.supp

{
   readline
   Memcheck:Leak
   match-leak-kinds: reachable
   ...
   fun:readline
   ...
}
{
   readline
   Memcheck:Leak
   match-leak-kinds: definite
   ...
   fun:readline
   ...
}
{
   readline-history
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   fun:xmalloc
   fun:add_history
   ...
}