opcache: collect DECLARE_ATTRIBUTED_CONST in PASS_15 constant table

Author: wilaak

Zend/Optimizer/pass1.c

@@ -286,6 +286,7 @@ void zend_optimizer_pass1(zend_op_array *op_array, zend_optimizer_ctx *ctx)
 			literal_dtor(&ZEND_OP1_LITERAL(opline));
 			replace_by_const_or_qm_assign(op_array, opline, &result);
 			break;
+		case ZEND_DECLARE_ATTRIBUTED_CONST:
 		case ZEND_DECLARE_CONST:
 			if (collect_constants &&
 			    Z_TYPE(ZEND_OP1_LITERAL(opline)) == IS_STRING &&