1 files changed, 7 insertions, 5 deletions
diff --git a/src/quick/scenegraph/qsgadaptationlayer_p.h b/src/quick/scenegraph/qsgadaptationlayer_p.h
index 5880c67af0..03a1f7f281 100644
--- a/src/quick/scenegraph/qsgadaptationlayer_p.h
+++ b/src/quick/scenegraph/qsgadaptationlayer_p.h
@@ -87,6 +87,8 @@ class QSGRenderNode;
 class Q_QUICK_PRIVATE_EXPORT QSGNodeVisitorEx
 {
 public:
+    virtual ~QSGNodeVisitorEx() {}
+
     // visit(...) returns true if the children are supposed to be
     // visisted and false if they're supposed to be skipped by the visitor.
 
@@ -141,7 +143,7 @@ public:
 
     virtual void update() = 0;
 
-    virtual void accept(QSGNodeVisitorEx *visitor) { if (visitor->visit(this)) visitor->visitChildren(this); visitor->endVisit(this); }
+    void accept(QSGNodeVisitorEx *visitor) override { if (visitor->visit(this)) visitor->visitChildren(this); visitor->endVisit(this); }
 };
 
 
@@ -165,7 +167,7 @@ public:
 
     virtual void update() = 0;
 
-    virtual void accept(QSGNodeVisitorEx *visitor) { if (visitor->visit(this)) visitor->visitChildren(this); visitor->endVisit(this); }
+    void accept(QSGNodeVisitorEx *visitor) override { if (visitor->visit(this)) visitor->visitChildren(this); visitor->endVisit(this); }
 };
 
 class Q_QUICK_PRIVATE_EXPORT QSGPainterNode : public QSGVisitableNode
@@ -188,7 +190,7 @@ public:
     virtual void update() = 0;
     virtual QSGTexture *texture() const = 0;
 
-    virtual void accept(QSGNodeVisitorEx *visitor) { if (visitor->visit(this)) visitor->visitChildren(this); visitor->endVisit(this); }
+    void accept(QSGNodeVisitorEx *visitor) override { if (visitor->visit(this)) visitor->visitChildren(this); visitor->endVisit(this); }
 };
 
 class Q_QUICK_EXPORT QSGLayer : public QSGDynamicTexture
@@ -231,7 +233,7 @@ public:
 
     virtual void update() = 0;
 
-    virtual void accept(QSGNodeVisitorEx *visitor) { if (visitor->visit(this)) visitor->visitChildren(this); visitor->endVisit(this); }
+    void accept(QSGNodeVisitorEx *visitor) override { if (visitor->visit(this)) visitor->visitChildren(this); visitor->endVisit(this); }
 };
 
 #endif
@@ -389,7 +391,7 @@ public:
     void setOwnerElement(QQuickItem *ownerElement) { m_ownerElement = ownerElement; }
     QQuickItem *ownerElement() const { return m_ownerElement; }
 
-    virtual void accept(QSGNodeVisitorEx *visitor) { if (visitor->visit(this)) visitor->visitChildren(this); visitor->endVisit(this); }
+    void accept(QSGNodeVisitorEx *visitor) override { if (visitor->visit(this)) visitor->visitChildren(this); visitor->endVisit(this); }
 protected:
     QRectF m_bounding_rect;
     QQuickItem *m_ownerElement;