OS X: Qbs built application bundle debugging doesn't work

#include <iostream>

using namespace std;

int main()
{
    int i = 5;
    int x = 6;
    int z = i + x;
    cout << "Hello World!" << z << endl;
    return 0;
}

import qbs

CppApplication {
    type: "application"
    consoleApplication: true
    files: "main.cpp"

    Group {
        fileTagsFilter: product.type
        qbs.install: true
    }
}