3 files changed, 22 insertions, 2 deletions
diff --git a/src/corelib/io/qsettings.cpp b/src/corelib/io/qsettings.cpp
index 1d6f2dc912..34f07096eb 100644
--- a/src/corelib/io/qsettings.cpp
+++ b/src/corelib/io/qsettings.cpp
@@ -3254,6 +3254,9 @@ bool QSettings::event(QEvent *event)
 #endif
 
 /*!
+    \fn QSettings::value(const QString &key) const
+    \fn QSettings::value(const QString &key, const QVariant &defaultValue) const
+
     Returns the value for setting \a key. If the setting doesn't
     exist, returns \a defaultValue.
 
@@ -3271,14 +3274,29 @@ bool QSettings::event(QEvent *event)
 
     \sa setValue(), contains(), remove()
 */
+QVariant QSettings::value(const QString &key) const
+{
+    Q_D(const QSettings);
+    return d->value(key, nullptr);
+}
+
 QVariant QSettings::value(const QString &key, const QVariant &defaultValue) const
 {
     Q_D(const QSettings);
+    return d->value(key, &defaultValue);
+}
+
+QVariant QSettingsPrivate::value(const QString &key, const QVariant *defaultValue) const
+{
     if (key.isEmpty()) {
         qWarning("QSettings::value: Empty key passed");
         return QVariant();
     }
-    return d->get(d->actualKey(key)).value_or(defaultValue);
+    if (std::optional r = get(actualKey(key)))
+        return std::move(*r);
+    if (defaultValue)
+        return *defaultValue;
+    return QVariant();
 }
 
 /*!
diff --git a/src/corelib/io/qsettings.h b/src/corelib/io/qsettings.h
index 05b30b562b..42b2527f0b 100644
--- a/src/corelib/io/qsettings.h
+++ b/src/corelib/io/qsettings.h
@@ -163,7 +163,8 @@ public:
     bool isWritable() const;
 
     void setValue(const QString &key, const QVariant &value);
-    QVariant value(const QString &key, const QVariant &defaultValue = QVariant()) const;
+    QVariant value(const QString &key, const QVariant &defaultValue) const;
+    QVariant value(const QString &key) const;
 
     void remove(const QString &key);
     bool contains(const QString &key) const;
diff --git a/src/corelib/io/qsettings_p.h b/src/corelib/io/qsettings_p.h
index ddcbe0f76c..4849975f2a 100644
--- a/src/corelib/io/qsettings_p.h
+++ b/src/corelib/io/qsettings_p.h
@@ -208,6 +208,7 @@ public:
     virtual bool isWritable() const = 0;
     virtual QString fileName() const = 0;
 
+    QVariant value(const QString &key, const QVariant *defaultValue) const;
     QString actualKey(const QString &key) const;
     void beginGroupOrArray(const QSettingsGroup &group);
     void setStatus(QSettings::Status status) const;