panic("Encountered nested Tuple");
} else {
DB((dbg, SET_LEVEL_1, "Proj %ld from Proj from ??: unknown type\n", get_irn_node_nr(n)));
panic("Encountered nested Tuple");
} else {
DB((dbg, SET_LEVEL_1, "Proj %ld from Proj from ??: unknown type\n", get_irn_node_nr(n)));