Remove checks for read_property retval being NULL

read_property uses &EG(uninitialized_zval) instead.

Zend/zend_execute.c

@@ -1451,8 +1451,8 @@ static zend_never_inline void zend_assign_op_overloaded_property(zval *object, z
 
 	ZVAL_OBJ(&obj, Z_OBJ_P(object));
 	Z_ADDREF(obj);
-	if (Z_OBJ_HT(obj)->read_property &&
-		(z = Z_OBJ_HT(obj)->read_property(&obj, property, BP_VAR_R, cache_slot, &rv)) != NULL) {
+	if (EXPECTED(Z_OBJ_HT(obj)->read_property)) {
+		z = Z_OBJ_HT(obj)->read_property(&obj, property, BP_VAR_R, cache_slot, &rv);
 		if (UNEXPECTED(EG(exception))) {
 			OBJ_RELEASE(Z_OBJ(obj));
 			return;
@@ -1964,8 +1964,8 @@ static zend_always_inline void zend_fetch_property_address(zval *result, zval *c
 	if (EXPECTED(Z_OBJ_HT_P(container)->get_property_ptr_ptr)) {
 		zval *ptr = Z_OBJ_HT_P(container)->get_property_ptr_ptr(container, prop_ptr, type, cache_slot);
 		if (NULL == ptr) {
-			if (Z_OBJ_HT_P(container)->read_property &&
-				(ptr = Z_OBJ_HT_P(container)->read_property(container, prop_ptr, type, cache_slot, result)) != NULL) {
+			if (EXPECTED(Z_OBJ_HT_P(container)->read_property)) {
+				ptr = Z_OBJ_HT_P(container)->read_property(container, prop_ptr, type, cache_slot, result);
 				if (ptr != result) {
 					ZVAL_INDIRECT(result, ptr);
 				} else if (UNEXPECTED(Z_ISREF_P(ptr) && Z_REFCOUNT_P(ptr) == 1)) {