2 files changed, 11 insertions, 0 deletions
diff --git a/src/corelib/thread/qfuture.h b/src/corelib/thread/qfuture.h
index 8c04b8c4376..ab08f7861c7 100644
--- a/src/corelib/thread/qfuture.h
+++ b/src/corelib/thread/qfuture.h
@@ -300,6 +300,8 @@ private:
     template<class U>
     friend class QFuture;
 
+    friend class QFutureInterfaceBase;
+
     template<class Function, class ResultType, class ParentResultType>
     friend class QtPrivate::Continuation;
 
@@ -430,6 +432,12 @@ inline QFuture<void> QFutureInterface<void>::future()
     return QFuture<void>(this);
 }
 
+template<typename T>
+QFutureInterfaceBase QFutureInterfaceBase::get(const QFuture<T> &future)
+{
+    return future.d;
+}
+
 Q_DECLARE_SEQUENTIAL_ITERATOR(Future)
 
 QT_END_NAMESPACE
diff --git a/src/corelib/thread/qfutureinterface.h b/src/corelib/thread/qfutureinterface.h
index 6924378bf19..ecc31d6ec35 100644
--- a/src/corelib/thread/qfutureinterface.h
+++ b/src/corelib/thread/qfutureinterface.h
@@ -177,6 +177,9 @@ public:
     // ### Qt 7: inline
     void swap(QFutureInterfaceBase &other) noexcept;
 
+    template<typename T>
+    static QFutureInterfaceBase get(const QFuture<T> &future);  // implemented in qfuture.h
+
 protected:
     // ### Qt 7: remove const from refT/derefT
     bool refT() const noexcept;