Function rebuild_check_host

sql/sql_acl.cc:4008–4013

Rebuild lists used for checking of allowed hosts We need to rebuild 'acl_check_hosts' and 'acl_wild_hosts' after adding, dropping or renaming user, since they contain pointers to elements of 'acl_user' array, which are invalidated by drop operation, and use ACL_USER::host::hostname as a key, which is changed by rename. */

  ACL_USER::host::hostname as a key, which is changed by rename.
*/
static void rebuild_check_host(void)
{
  delete_dynamic(&acl_wild_hosts);
  my_hash_free(&acl_check_hosts);
  init_check_host();
}

/*
  Reset a role role_grants dynamic array.