From 6079d7cd9c6f27cf49c63895771cdb3f87bdaee6 Mon Sep 17 00:00:00 2001
From: Marc Mutz <marc.mutz@qt.io>
Date: Wed, 23 Apr 2025 13:35:22 +0200
Subject: [PATCH] Mark QtPrivate::StreamStateSaver's ctor as [[nodiscard]]

As a RAII class, QtPrivate::StreamStateSaver's ctors should be marked
as [[nodiscard]].

Amends 3c93286f08a80b6e1821d7d63d361742b25c6578, but not picking all
the way back since 959800f6de137f6a77c7d5a2741a5bae0638cbd9
(Q_NODISCARD_CTOR) was only added in 6.6.

QUIP: 19
Pick-to: 6.9 6.8
Change-Id: If39fd79d21c52d60481973a416ae5f7da1858f7a
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 src/corelib/serialization/qdatastream.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/corelib/serialization/qdatastream.h b/src/corelib/serialization/qdatastream.h
index 7023940ead8..da99948dde7 100644
--- a/src/corelib/serialization/qdatastream.h
+++ b/src/corelib/serialization/qdatastream.h
@@ -270,6 +270,7 @@ class StreamStateSaver
 {
     Q_DISABLE_COPY_MOVE(StreamStateSaver)
 public:
+    Q_NODISCARD_CTOR
     explicit StreamStateSaver(QDataStream *s) : stream(s), oldStatus(s->status())
     {
         if (!stream->isDeviceTransactionStarted())