zend_string *ns_name = zend_string_alloc(ZSTR_LEN(current_ns) + 1 + ZSTR_LEN(new_name), 0);
zend_str_tolower_copy(ZSTR_VAL(ns_name), ZSTR_VAL(current_ns), ZSTR_LEN(current_ns));
ZSTR_VAL(ns_name)[ZSTR_LEN(current_ns)] = '\\';
- memcpy(ZSTR_VAL(ns_name) + ZSTR_LEN(current_ns) + 1, ZSTR_VAL(lookup_name), ZSTR_LEN(lookup_name));
+ memcpy(ZSTR_VAL(ns_name) + ZSTR_LEN(current_ns) + 1, ZSTR_VAL(lookup_name), ZSTR_LEN(lookup_name) + 1);
- zend_check_use_conflict(type, old_name, new_name, ns_name);
+ if (zend_have_seen_symbol(ns_name, type)) {
+ zend_check_already_in_use(type, old_name, new_name, ns_name);
+ }
zend_string_free(ns_name);
} else {