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/tests/auto/gui/painting/qregion/tst_qregion.cpp b/tests/auto/gui/painting/qregion/tst_qregion.cpp
index 92b265197e..93d2baf332 100644
--- a/tests/auto/gui/painting/qregion/tst_qregion.cpp
+++ b/tests/auto/gui/painting/qregion/tst_qregion.cpp
@@ -335,7 +335,7 @@ void tst_QRegion::emptyPolygonRegion()
     QTEST(int(std::distance(r.begin(), r.end())), "numRects");
     QList<QRect> rects;
     std::copy(r.begin(), r.end(), std::back_inserter(rects));
-    QTEST(rects.size(), "numRects");
+    QTEST(int(rects.size()), "numRects");
     QTEST(rects, "rects");
 }