Merge remote-tracking branch 'origin/5.4' into 5.5

Change-Id: Ie8ea118ed0a1a9a1c3d81e1e34d85c03c695c9a4

3 files changed, 31 insertions, 19 deletions

diff --git a/src/qml/compiler/qv4codegen.cpp b/src/qml/compiler/qv4codegen.cpp
index 02274ca793..9168889c8c 100644
--- a/src/qml/compiler/qv4codegen.cpp
+++ b/src/qml/compiler/qv4codegen.cpp
@@ -538,7 +538,7 @@ IR::Expr *Codegen::subscript(IR::Expr *base, IR::Expr *index)
 
 IR::Expr *Codegen::argument(IR::Expr *expr)
 {
-    if (expr && !expr->asTemp() && !expr->asArgLocal()) {
+    if (expr && !expr->asTemp()) {
         const unsigned t = _block->newTemp();
         move(_block->TEMP(t), expr);
         expr = _block->TEMP(t);
diff --git a/src/quick/items/qquickscreen.cpp b/src/quick/items/qquickscreen.cpp
index 5bd6430f2d..3bf7229b33 100644
--- a/src/quick/items/qquickscreen.cpp
+++ b/src/quick/items/qquickscreen.cpp
@@ -351,24 +351,15 @@ void QQuickScreenAttached::screenChanged(QScreen *screen)
             emit orientationUpdateMaskChanged();
         }
 
-        if (!oldScreen || screen->size() != oldScreen->size()) {
-            emit widthChanged();
-            emit heightChanged();
-        }
-        if (!oldScreen || screen->name() != oldScreen->name())
-            emit nameChanged();
-        if (!oldScreen || screen->orientation() != oldScreen->orientation())
-            emit orientationChanged();
-        if (!oldScreen || screen->primaryOrientation() != oldScreen->primaryOrientation())
-            emit primaryOrientationChanged();
-        if (!oldScreen || screen->availableVirtualGeometry() != oldScreen->availableVirtualGeometry())
-            emit desktopGeometryChanged();
-        if (!oldScreen || screen->logicalDotsPerInch() != oldScreen->logicalDotsPerInch())
-            emit logicalPixelDensityChanged();
-        if (!oldScreen || screen->physicalDotsPerInch() != oldScreen->physicalDotsPerInch())
-            emit pixelDensityChanged();
-        if (!oldScreen || screen->devicePixelRatio() != oldScreen->devicePixelRatio())
-            emit devicePixelRatioChanged();
+        emit widthChanged();
+        emit heightChanged();
+        emit nameChanged();
+        emit orientationChanged();
+        emit primaryOrientationChanged();
+        emit desktopGeometryChanged();
+        emit logicalPixelDensityChanged();
+        emit pixelDensityChanged();
+        emit devicePixelRatioChanged();
 
         connect(screen, SIGNAL(geometryChanged(QRect)),
                 this, SIGNAL(widthChanged()));
diff --git a/tests/auto/qml/qjsengine/tst_qjsengine.cpp b/tests/auto/qml/qjsengine/tst_qjsengine.cpp
index 61816b6cc0..5a9d6d20eb 100644
--- a/tests/auto/qml/qjsengine/tst_qjsengine.cpp
+++ b/tests/auto/qml/qjsengine/tst_qjsengine.cpp
@@ -178,6 +178,8 @@ private slots:
     void intConversion_QTBUG43309();
     void toFixed();
 
+    void argumentEvaluationOrder();
+
 signals:
     void testSignal();
 };
@@ -3665,6 +3667,25 @@ void tst_QJSEngine::toFixed()
     QCOMPARE(result.toString(), QStringLiteral("12.1"));
 }
 
+void tst_QJSEngine::argumentEvaluationOrder()
+{
+    QJSEngine engine;
+    QJSValue ok = engine.evaluate(
+            "function record(arg1, arg2) {\n"
+            "    parameters = [arg1, arg2]\n"
+            "}\n"
+            "function test() {\n"
+            "    var i = 2;\n"
+            "    record(i, i += 2);\n"
+            "}\n"
+            "test()\n"
+            "parameters[0] == 2 && parameters[1] == 4");
+    qDebug() << ok.toString();
+    QVERIFY(ok.isBool());
+    QVERIFY(ok.toBool());
+
+}
+
 QTEST_MAIN(tst_QJSEngine)
 
 #include "tst_qjsengine.moc"