From 74017adbee14a330113cf3843f52d19b1251e56e Mon Sep 17 00:00:00 2001
From: Denis Rouzaud <denis.rouzaud@gmail.com>
Date: Fri, 30 Oct 2020 10:53:51 +0100
Subject: [PATCH] use forwarding reference to fix reference copy warning

---
 src/gui/qgsexpressiontreeview.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/qgsexpressiontreeview.cpp b/src/gui/qgsexpressiontreeview.cpp
index e3d93c1f1dd..6da5f32db35 100644
--- a/src/gui/qgsexpressiontreeview.cpp
+++ b/src/gui/qgsexpressiontreeview.cpp
@@ -650,7 +650,7 @@ void QgsExpressionTreeView::loadExpressionsFromJson( const QJsonDocument &expres
   settings.beginGroup( QStringLiteral( "user" ), QgsSettings::Section::Expressions );
   mUserExpressionLabels = settings.childGroups();
 
-  for ( const QJsonValue &expressionValue : expressionsObject["expressions"].toArray() )
+  for ( const QJsonValue &&expressionValue : expressionsObject["expressions"].toArray() )
   {
     // validate the type of the array element, can be anything
     if ( ! expressionValue.isObject() )