Fix redundent type checks with composite types

Author: Girgias

Zend/zend_compile.c

@@ -6335,6 +6335,9 @@ static zend_type zend_compile_typename(
 
 					/* Check for trivially redundant class types */
 					for (size_t i = 0; i < type_list->num_types - 1; i++) {
+						if (ZEND_TYPE_IS_INTERSECTION(type_list->types[i])) {
+							continue;
+						}
 						if (zend_string_equals_ci(
 								ZEND_TYPE_NAME(type_list->types[i]), ZEND_TYPE_NAME(single_type))) {
 							zend_string *single_type_str = zend_type_to_string(single_type);