https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64535
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> --- If all allocations from the emergency pool are at least sizeof(__cxa_refcounted_exception) long (or what is the minimum), then trying to split the memory into smaller chunks (down to sizeof(free_entry)) might be counter-productive.
