Removing ldc.conf. (IMPORTANT: run 'cmake .' after pull) Added it to .hgignore. This gets rid of spurious differences caused by CMake regenerating it differently. Just run 'cmake .' to get it back in your local checkout.

module tangotests.mem3;

void main()
{
    int[] arr;
    arr ~= [1,2,3];
    assert(arr[0] == 1);
    assert(arr[1] == 2);
    assert(arr[2] == 3);
    delete arr;
    assert(arr is null);
}