3 files changed, 12 insertions, 4 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index ed36f87..f0ac31d 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -668,6 +668,7 @@
 #include <QtCore/qtimer.h>
 #include <QtCore/qvariant.h>
 #include <QtCore/qvarlengtharray.h>
+#include <QtCore/qnumeric.h>
 #include <QtGui/qapplication.h>
 #include <QtGui/qbitmap.h>
 #include <QtGui/qpainter.h>
@@ -3438,6 +3439,9 @@ void QGraphicsItem::setX(qreal x)
     if (d_ptr->inDestructor)
         return;
 
+    if (qIsNaN(x))
+        return;
+
     d_ptr->setPosHelper(QPointF(x, d_ptr->pos.y()));
 }
 
@@ -3462,6 +3466,9 @@ void QGraphicsItem::setY(qreal y)
     if (d_ptr->inDestructor)
         return;
 
+    if (qIsNaN(y))
+        return;
+
     d_ptr->setPosHelper(QPointF(d_ptr->pos.x(), y));
 }
 
diff --git a/src/gui/text/qzipreader_p.h b/src/gui/text/qzipreader_p.h
index 1086464..3da6891 100644
--- a/src/gui/text/qzipreader_p.h
+++ b/src/gui/text/qzipreader_p.h
@@ -62,7 +62,7 @@ QT_BEGIN_NAMESPACE
 
 class QZipReaderPrivate;
 
-class Q_AUTOTEST_EXPORT QZipReader
+class Q_GUI_EXPORT QZipReader
 {
 public:
     QZipReader(const QString &fileName, QIODevice::OpenMode mode = QIODevice::ReadOnly );
@@ -73,7 +73,7 @@ public:
     bool isReadable() const;
     bool exists() const;
 
-    struct Q_AUTOTEST_EXPORT FileInfo
+    struct Q_GUI_EXPORT FileInfo
     {
         FileInfo();
         FileInfo(const FileInfo &other);
diff --git a/src/gui/widgets/qvalidator.h b/src/gui/widgets/qvalidator.h
index e996a01..63734ca 100644
--- a/src/gui/widgets/qvalidator.h
+++ b/src/gui/widgets/qvalidator.h
@@ -137,10 +137,11 @@ class Q_GUI_EXPORT QDoubleValidator : public QValidator
     Q_PROPERTY(double bottom READ bottom WRITE setBottom)
     Q_PROPERTY(double top READ top WRITE setTop)
     Q_PROPERTY(int decimals READ decimals WRITE setDecimals)
+    Q_ENUMS(Notation)
     Q_PROPERTY(Notation notation READ notation WRITE setNotation)
 
 public:
-    explicit QDoubleValidator(QObject * parent);
+    explicit QDoubleValidator(QObject * parent = 0);
     QDoubleValidator(double bottom, double top, int decimals, QObject * parent);
     ~QDoubleValidator();
 
@@ -184,7 +185,7 @@ class Q_GUI_EXPORT QRegExpValidator : public QValidator
     Q_PROPERTY(QRegExp regExp READ regExp WRITE setRegExp)
 
 public:
-    explicit QRegExpValidator(QObject *parent);
+    explicit QRegExpValidator(QObject *parent = 0);
     QRegExpValidator(const QRegExp& rx, QObject *parent);
     ~QRegExpValidator();