Remove warnings from qtbase.

geometryengine.cpp: In member function 'void
GeometryEngine::drawCubeGeometry(QGLShaderProgram*)':
geometryengine.cpp:159:93:  warning: cast to pointer from integer of
different sie [-Wint-to-pointer-cast] geometryengine.cpp:167:95:
warning: cast to pointer f rom integer ofdifferent size
[-Wint-to-pointer-cast]
benchmarking.cpp: In member function 'void TestBenchmark::multiple()':
benchmarking.cpp:85:9: warning: variable 'result' set but not used
[-Wunused-but-set-variable]
benchmarking.cpp: In member function 'void TestBenchmark::series()':
benchmarking.cpp:120:9: warning: variable 'result' set but not used
[-Wunused-but-set-variable]
qstandarditemmodel.cpp:2717:45: warning: unused variable 'd'
[-Wunused-variable]
qxcbconnection.cpp: In member function 'xcb_timestamp_t
QXcbConnection::getTimestamp()': qxcbconnection.cpp:930:40: warning:
suggest  parentheses around assignment used as truth value
[-Wparentheses]
tst_qguiapplication.cpp: In constructor
'BlockableWindow::BlockableWindow()':  tst_qguiapplication.cpp:340:9:
warning:'BlockableWindow::enters' will be initialized after [-Wreorder]
tst_qguia pplication.cpp:339:9: warning 'int BlockableWindow::leaves'
[-Wreorder] tst_qguiapplication.cpp:342:12:  waring: when initialized
here [-Wreorder]
tst_qsqltablemodel.cpp:570:10: warning: unused parameter 'value'
[-Wunused-parameter]
tst_qabstractitemview.cpp:1546:8: warning: unused parameter 'index'
[-Wunused-parameter]

Change-Id: I49c88547182e4669cfde2c2536403fc5573ca2da
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

examples/opengl/cube/geometryengine.cpp

@@ -151,7 +151,7 @@ void GeometryEngine::drawCubeGeometry(QGLShaderProgram *program)
     glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vboIds[1]);
 
     // Offset for position
-    int offset = 0;
+    quintptr offset = 0;
 
     // Tell OpenGL programmable pipeline how to locate vertex position data
     int vertexLocation = program->attributeLocation("a_position");

examples/qtestlib/tutorial5/benchmarking.cpp

@@ -92,6 +92,7 @@ void TestBenchmark::multiple()
             result = (str1 == str2);
         }
     }
+    Q_UNUSED(result);
 }
 //! [2]
 
@@ -127,6 +128,7 @@ void TestBenchmark::series()
             result = (str1 == str2);
         }
     }
+    Q_UNUSED(result);
 }
 //! [5]
 

src/gui/itemmodels/qstandarditemmodel.cpp

@@ -2714,7 +2714,6 @@ bool QStandardItemModel::hasChildren(const QModelIndex &parent) const
 */
 QModelIndex QStandardItemModel::sibling(int row, int column, const QModelIndex &idx) const
 {
-    Q_D(const QStandardItemModel);
     return createIndex(row, column, idx.internalPointer());
 }
 

src/plugins/platforms/xcb/qxcbconnection.cpp

@@ -927,7 +927,7 @@ xcb_timestamp_t QXcbConnection::getTimestamp()
     // to add the new set of events to its event queue
     while (true) {
         connection()->sync();
-        if (event = checkEvent(checker))
+        if ((event = checkEvent(checker)))
             break;
     }
 

tests/auto/gui/kernel/qguiapplication/tst_qguiapplication.cpp

@@ -340,7 +340,7 @@ public:
     int enters;
 
     inline BlockableWindow()
-        : QWindow(), blocked(false), enters(0), leaves(0) {}
+        : QWindow(), blocked(false), leaves(0), enters(0) {}
 
     bool event(QEvent *e)
     {

tests/auto/sql/models/qsqltablemodel/tst_qsqltablemodel.cpp

@@ -569,6 +569,7 @@ public:
     SetRecordReimplModel(QObject *parent, QSqlDatabase db):QSqlTableModel(parent, db) {}
     bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole)
     {
+        Q_UNUSED(value);
         return QSqlTableModel::setData(index, QString("Qt"), role);
     }
 };

tests/auto/widgets/itemviews/qabstractitemview/tst_qabstractitemview.cpp

@@ -1544,6 +1544,7 @@ public:
   {}
 
   void setEditorData(QWidget *editor, const QModelIndex &index) const Q_DECL_OVERRIDE {
+      Q_UNUSED(index);
       static bool w = true;
       editor->setEnabled(w);
       w = !w;