UCT_INDEX
ASSERT((update_ctx->uc_type & (UCT_INDEX|UCT_ALL)) !=
(UCT_INDEX|UCT_ALL));
ASSERT((update_ctx->uc_type & (UCT_INDEX|UCT_ALL)) !=
(UCT_INDEX|UCT_ALL));
ASSERT((update_ctx->uc_type & (UCT_ALL|UCT_INDEX)) !=
(UCT_ALL|UCT_INDEX));