QPromise: Can't use addResult() with initializer list

struct MyClass
{
    QString strValue;
    int intValue = 0;
};

void foo()
{
    QPromise<MyClass> myPromise;
    myPromise.addResult({"bar", 1});
}

error: no matching function for call to ‘QPromise<MyClass>::addResult(<brace-enclosed initializer list>)’
In member function ‘void foo()’:
error: no matching function for call to ‘QPromise<MyClass>::addResult(<brace-enclosed initializer list>)’
   |     myPromise.addResult({"foo", 1});
   |     ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~

myPromise.addResult(MyClass{"bar", 1});