The values of all composite type variables in "Locals and Expressions" are Not Accessible

#include <QDebug>

class Class1
{
public:
    Class1(int v1, int v2)
        : val1(v1)
        , val2(v2)
    {
    }
    int val1;
    int val2;
};

int main(int argc, char *argv[])
{
    QList<Class1> list;
    list.push_back(Class1(1, 2));
    list.push_back(Class1(3, 4));
    list.push_back(Class1(5, 6));

    qDebug() << list[0].val1;

}