Use a QQmlRefPointer for QQmlScriptData::typeNameCache

The cache can get overwritten. We want the reference to the old one to
be dropped then.

Fixes: QTBUG-78865
Change-Id: I8ebba4ae242c3bf8ae4db5cffc65b26bab265b8a
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/qml/qml/qqmlscriptblob.cpp b/src/qml/qml/qqmlscriptblob.cpp
index 69b26894a8..6ac30d3ab5 100644
--- a/src/qml/qml/qqmlscriptblob.cpp
+++ b/src/qml/qml/qqmlscriptblob.cpp
@@ -177,7 +177,7 @@ void QQmlScriptBlob::done()
     }
 
     if (!m_isModule) {
-        m_scriptData->typeNameCache = new QQmlTypeNameCache(m_importCache);
+        m_scriptData->typeNameCache.adopt(new QQmlTypeNameCache(m_importCache));
 
         QSet<QString> ns;
 
@@ -195,7 +195,7 @@ void QQmlScriptBlob::done()
             m_scriptData->typeNameCache->add(script.qualifier, scriptIndex, script.nameSpace);
         }
 
-        m_importCache.populateCache(m_scriptData->typeNameCache);
+        m_importCache.populateCache(m_scriptData->typeNameCache.data());
     }
     m_scripts.clear();
 }