2 files changed, 12 insertions, 4 deletions
diff --git a/src/corelib/thread/qfuture_impl.h b/src/corelib/thread/qfuture_impl.h
index 69f57652ea..b09d84a6d3 100644
--- a/src/corelib/thread/qfuture_impl.h
+++ b/src/corelib/thread/qfuture_impl.h
@@ -538,11 +538,19 @@ bool Continuation<Function, ResultType, ParentResultType>::execute()
 template<class Function>
 struct ContinuationWrapper
 {
-    ContinuationWrapper(Function &&f) : function(QSharedPointer<Function>::create(std::move(f))) { }
-    void operator()(const QFutureInterfaceBase &parentData) { (*function)(parentData); }
+    ContinuationWrapper(Function &&f) : function(std::move(f)) { }
+    ContinuationWrapper(const ContinuationWrapper &other)
+        : function(std::move(const_cast<ContinuationWrapper &>(other).function))
+    {
+        Q_ASSERT_X(false, "QFuture", "Continuation shouldn't be copied");
+    }
+    ContinuationWrapper(ContinuationWrapper &&other) = default;
+    ContinuationWrapper &operator=(ContinuationWrapper &&) = default;
+
+    void operator()(const QFutureInterfaceBase &parentData) { function(parentData); }
 
 private:
-    QSharedPointer<Function> function;
+    Function function;
 };
 
 template<typename Function, typename ResultType, typename ParentResultType>
diff --git a/src/corelib/thread/qfutureinterface.cpp b/src/corelib/thread/qfutureinterface.cpp
index dfc905e828..cad6111ab9 100644
--- a/src/corelib/thread/qfutureinterface.cpp
+++ b/src/corelib/thread/qfutureinterface.cpp
@@ -837,7 +837,7 @@ void QFutureInterfaceBasePrivate::setState(QFutureInterfaceBase::State newState)
 
 void QFutureInterfaceBase::setContinuation(std::function<void(const QFutureInterfaceBase &)> func)
 {
-    setContinuation(func, nullptr);
+    setContinuation(std::move(func), nullptr);
 }
 
 void QFutureInterfaceBase::setContinuation(std::function<void(const QFutureInterfaceBase &)> func,