QmlCompiler: Place code for CmpNeInt in parentheses

Otherwise it will apply the '!' to the first argument.

Fixes: QTBUG-100480
Pick-to: 6.2 6.3
Change-Id: Iaefa25d062ad8bbd9d4278ffeaa52fc53ed417e2
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

src/qmlcompiler/qqmljscodegenerator.cpp

@@ -1904,8 +1904,8 @@ void QQmlJSCodeGenerator::generate_CmpNeInt(int lhsConst)
 {
     INJECT_TRACE_INFO(generate_CmpNeInt);
 
-    m_body += m_state.accumulatorVariableOut + u" = !"_qs + eqIntExpression(lhsConst)
-            + u";\n"_qs;
+    m_body += m_state.accumulatorVariableOut + u" = !("_qs + eqIntExpression(lhsConst)
+            + u");\n"_qs;
 }
 
 void QQmlJSCodeGenerator::generate_CmpEq(int lhs)

tests/auto/qml/qmlcppcodegen/data/CMakeLists.txt

@@ -86,6 +86,7 @@ set(qml_files
     noQQmlData.qml
     nonNotifyable.qml
     noscope.qml
+    notEqualsInt.qml
     nullAccess.qml
     outOfBounds.qml
     overriddenMember.qml

tests/auto/qml/qmlcppcodegen/data/notEqualsInt.qml

@@ -0,0 +1,15 @@
+import QtQml
+
+QtObject {
+    property int someValue: 42
+    function foo() {
+        if (someValue != 0) {
+            t.text = "Bar";
+        }
+    }
+
+    property QtObject tt: QtObject {
+        id: t
+        property string text: "Foo"
+    }
+}

tests/auto/qml/qmlcppcodegen/tst_qmlcppcodegen.cpp

@@ -116,6 +116,7 @@ private slots:
     void popContextAfterRet();
     void revisions();
     void invisibleBase();
+    void notEqualsInt();
 };
 
 void tst_QmlCppCodegen::simpleBinding()
@@ -1738,6 +1739,20 @@ void tst_QmlCppCodegen::invisibleBase()
     QCOMPARE(qvariant_cast<QObject *>(o->property("n")), o.data());
 }
 
+void tst_QmlCppCodegen::notEqualsInt()
+{
+    QQmlEngine engine;
+    QQmlComponent c(&engine, QUrl(u"qrc:/TestTypes/notEqualsInt.qml"_qs));
+    QVERIFY2(c.isReady(), qPrintable(c.errorString()));
+    QScopedPointer<QObject> o(c.create());
+    QVERIFY(o);
+    QObject *t = qmlContext(o.data())->objectForName(u"t"_qs);
+    QVERIFY(t);
+    QCOMPARE(t->property("text").toString(), u"Foo"_qs);
+    QMetaObject::invokeMethod(o.data(), "foo");
+    QCOMPARE(t->property("text").toString(), u"Bar"_qs);
+}
+
 void tst_QmlCppCodegen::runInterpreted()
 {
     if (qEnvironmentVariableIsSet("QV4_FORCE_INTERPRETER"))