QmlDesigner: Compile fix against C++20

Move the initialization of the traceToken into c'tors.
Otherwise, the following error occurs:
internal compiler error: in assign_temp, at function.c:986

Change-Id: I20abfbf70e01fc6268ae6d4245272ef3a89daed5
Reviewed-by: Marco Bubke <marco.bubke@qt.io>

src/plugins/qmldesigner/designercore/model/internalnode_p.h

@@ -53,6 +53,7 @@ public:
         , minorVersion(minorVersion)
         , isValid(true)
         , internalId(internalId)
+        , traceToken(ModelTracing::category().beginObject("InternalNode"_t))
     {}
 
     InternalNodeAbstractProperty::Pointer parentProperty() const { return m_parentProperty.lock(); }
@@ -223,8 +224,7 @@ public:
     ModuleId moduleId;
     ImportedTypeNameId importedTypeNameId;
     TypeId typeId;
-    NO_UNIQUE_ADDRESS ModelTracing::ObjectTraceToken traceToken = ModelTracing::category().beginObject(
-        "InternalNode"_t);
+    NO_UNIQUE_ADDRESS ModelTracing::ObjectTraceToken traceToken;
 
 private:
     AuxiliaryDatas m_auxiliaryDatas;

src/plugins/qmldesigner/designercore/model/internalproperty.cpp

@@ -2,19 +2,19 @@
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
 #include "internalproperty.h"
-#include "internalbindingproperty.h"
-#include "internalvariantproperty.h"
-#include "internalnodelistproperty.h"
-#include "internalnodeproperty.h"
-#include "internalsignalhandlerproperty.h"
 #include "internalnode_p.h"
 
-namespace QmlDesigner {
+namespace QmlDesigner::Internal {
 
-namespace Internal {
+static auto traceTokenInitArg(const QByteArray &name)
+{
+    return ModelTracing::category().beginObject("InternalProperty"_t, keyValue("name", name));
+}
 
 // Creates invalid InternalProperty
-InternalProperty::InternalProperty() = default;
+InternalProperty::InternalProperty()
+    : traceToken(traceTokenInitArg(m_name))
+{}
 
 InternalProperty::~InternalProperty() = default;
 
@@ -23,9 +23,9 @@ InternalProperty::InternalProperty(const PropertyName &name,
                                    PropertyType propertyType)
     : m_name(name)
     , m_propertyOwner(propertyOwner)
-    , m_propertyType{propertyType}
-{
-}
+    , m_propertyType(propertyType)
+    , traceToken(traceTokenInitArg(m_name))
+{}
 
 bool InternalProperty::isValid() const
 {
@@ -52,7 +52,5 @@ void InternalProperty::resetDynamicTypeName()
    m_dynamicType.clear();
 }
 
-
-} //namespace Internal
-} //namespace QmlDesigner
+} //namespace QmlDesigner::Internal
 

src/plugins/qmldesigner/designercore/model/internalproperty.h

@@ -193,8 +193,7 @@ private:
     TypeName m_dynamicType;
     std::weak_ptr<InternalNode> m_propertyOwner;
     PropertyType m_propertyType = PropertyType::None;
-    NO_UNIQUE_ADDRESS ModelTracing::ObjectTraceToken traceToken = ModelTracing::category().beginObject(
-        "InternalProperty"_t, keyValue("name", m_name));
+    NO_UNIQUE_ADDRESS ModelTracing::ObjectTraceToken traceToken;
 };
 
 } // namespace Internal