Use-after-delete happens in QMultiMap::remove

#include <QMultiMap>
int main()
{
    QMultiMap<int, QString> mm;
    mm.insert(1, "one");
    mm.insert(1, "eins");
    mm.insert(1, "uno");
    auto it = mm.find(1);
    Q_ASSERT(it != mm.cend());
    mm.remove(it.key(), it.value());
    return 0;
}