QmlCompiler: Do not generate block comments into C++ code

The code we're commenting could again contain block comments. You cannot
nest them.

Fixes: QTBUG-100978
Change-Id: I78685bf29dd30f05e5a3b17abc43ba0b4cb6849e
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Jan Arve Sæther <jan-arve.saether@qt.io>
(cherry picked from commit 795d7dafe5be5cd48aa8225a1343285b3aca2be7)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/tests/auto/qml/qmlcppcodegen/data/blockComments.qml b/tests/auto/qml/qmlcppcodegen/data/blockComments.qml
new file mode 100644
index 0000000000..da4bb2fd25
--- /dev/null
+++ b/tests/auto/qml/qmlcppcodegen/data/blockComments.qml
@@ -0,0 +1,10 @@
+pragma Strict
+import QtQml
+
+QtObject {
+    property real implicitHeight: {
+        return /*+ (control.implicitHeaderHeight > 0
+              ? control.implicitHeaderHeight + control.spacing
+              : 0)*/ 8;
+    }
+}