1 files changed, 6 insertions, 5 deletions
diff --git a/src/corelib/itemmodels/qabstractitemmodel_p.h b/src/corelib/itemmodels/qabstractitemmodel_p.h
index c2cbaf5298..77a3164959 100644
--- a/src/corelib/itemmodels/qabstractitemmodel_p.h
+++ b/src/corelib/itemmodels/qabstractitemmodel_p.h
@@ -46,7 +46,8 @@
 //
 //
 
-#include "private/qobject_p.h"
+#include "QtCore/qabstractitemmodel.h"
+#include "QtCore/private/qobject_p.h"
 #include "QtCore/qstack.h"
 #include "QtCore/qset.h"
 #include "QtCore/qhash.h"
@@ -126,9 +127,9 @@ public:
     }
 
     struct Change {
-        Change() : first(-1), last(-1) {}
-        Change(const Change &c) : parent(c.parent), first(c.first), last(c.last), needsAdjust(c.needsAdjust) {}
-        Change(const QModelIndex &p, int f, int l) : parent(p), first(f), last(l), needsAdjust(false) {}
+        Q_DECL_CONSTEXPR Change() : parent(), first(-1), last(-1), needsAdjust(false) {}
+        Q_DECL_CONSTEXPR Change(const QModelIndex &p, int f, int l) : parent(p), first(f), last(l), needsAdjust(false) {}
+
         QModelIndex parent;
         int first, last;
 
@@ -147,7 +148,7 @@ public:
         // rowsMoved signal.
         bool needsAdjust;
 
-        bool isValid() { return first >= 0 && last >= 0; }
+        Q_DECL_CONSTEXPR bool isValid() const { return first >= 0 && last >= 0; }
     };
     QStack<Change> changes;