Merge remote branch 'origin/4.7' into qt-master-from-4.7

Conflicts:
	configure
	src/gui/graphicsview/qgraphicslayout.cpp
	src/gui/text/qfontengine_s60.cpp
	src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
	src/opengl/qwindowsurface_gl.cpp
	src/s60installs/bwins/QtGuiu.def
	src/s60installs/eabi/QtGuiu.def
	tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp

1 files changed, 4 insertions, 2 deletions

diff --git a/src/gui/text/qtextdocument.cpp b/src/gui/text/qtextdocument.cpp
index 496accdb95..08929bafb2 100644
--- a/src/gui/text/qtextdocument.cpp
+++ b/src/gui/text/qtextdocument.cpp
@@ -596,8 +596,10 @@ void QTextDocument::markContentsDirty(int from, int length)
     Q_D(QTextDocument);
     d->documentChange(from, length);
     if (!d->inContentsChange) {
-        d->lout->documentChanged(d->docChangeFrom, d->docChangeOldLength, d->docChangeLength);
-        d->docChangeFrom = -1;
+        if (d->lout) {
+            d->lout->documentChanged(d->docChangeFrom, d->docChangeOldLength, d->docChangeLength);
+            d->docChangeFrom = -1;
+        }
     }
 }