1 files changed, 1 insertions, 0 deletions
diff --git a/src/qml/jsruntime/qv4executablecompilationunit_p.h b/src/qml/jsruntime/qv4executablecompilationunit_p.h
index 1b1b9add5c..3dc0e58ca5 100644
--- a/src/qml/jsruntime/qv4executablecompilationunit_p.h
+++ b/src/qml/jsruntime/qv4executablecompilationunit_p.h
@@ -319,6 +319,7 @@ IdentifierHash ExecutableCompilationUnit::namedObjectsPerComponent(int component
     auto it = namedObjectsPerComponentCache.find(componentObjectIndex);
     if (Q_UNLIKELY(it == namedObjectsPerComponentCache.end()))
         return createNamedObjectsPerComponent(componentObjectIndex);
+    Q_ASSERT(!it->isEmpty());
     return *it;
 }