Propagate flag in persist

Author: Girgias

ext/opcache/zend_persist.c

@@ -37,11 +37,13 @@
 
 #define zend_set_str_gc_flags(str) do { \
 	GC_SET_REFCOUNT(str, 2); \
+	uint32_t flags = GC_STRING | (ZSTR_IS_VALID_UTF8(str) ? IS_STR_VALID_UTF8 : 0); \
 	if (file_cache_only) { \
-		GC_TYPE_INFO(str) = GC_STRING | (IS_STR_INTERNED << GC_FLAGS_SHIFT); \
+		flags |= (IS_STR_INTERNED << GC_FLAGS_SHIFT); \
 	} else { \
-		GC_TYPE_INFO(str) = GC_STRING | ((IS_STR_INTERNED | IS_STR_PERMANENT) << GC_FLAGS_SHIFT); \
+		flags |= ((IS_STR_INTERNED | IS_STR_PERMANENT) << GC_FLAGS_SHIFT); \
 	} \
+	GC_TYPE_INFO(str) = flags; \
 } while (0)
 
 #define zend_accel_store_string(str) do { \