Use qsizetype in QList

The change creates a slight source incompatibility. The main
things to take care of are

* code using printf statements on list.size(). Using qsizetype in
printf statements will always require a cast to work on both 32
and 64 bit.
* A few places where overloads now get ambiguous. One example is
QRandomGenerator::bounded() that has overloads for int, uint and
double, but not int64.
* Streaming list.size() to a QDataStream will change the format
depending on the architecture.

[ChangeLog][QtCore][QList] QList now uses qsizetype to index into
elements.

Change-Id: Iaff562a4d072b97f458417b670f95971bd47cbc6
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui/itemmodels/qstandarditemmodel.cpp b/src/gui/itemmodels/qstandarditemmodel.cpp
index ebb4d641eb..869994d428 100644
--- a/src/gui/itemmodels/qstandarditemmodel.cpp
+++ b/src/gui/itemmodels/qstandarditemmodel.cpp
@@ -3132,7 +3132,7 @@ QMimeData *QStandardItemModel::mimeData(const QModelIndexList &indexes) const
         if (itemsSet.contains(item)) //if the item is selection 'top-level', stream its position
             stream << item->row() << item->column();
 
-        stream << *item << item->columnCount() << item->d_ptr->children.count();
+        stream << *item << item->columnCount() << int(item->d_ptr->children.count());
         stack += item->d_ptr->children;
     }