[bug #68108] classdef objects do not support creation of initialized arrays

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Follow-up Comment #8, bug #68108 (group octave):

I too built your patch and verified that it fixes the MRE in comment #0.
However I've found that such initialized classdef object arrays fail to be
returned by the classdef constructor as in the following scenarios. Please
advise if this is different enough to justify a separate bug report.


classdef mre2
    properties
        A
    end
    methods
        function obj = mre2(a)
            if nargin > 0
                if isscalar(a)
                    obj.A = a;
                else
                    obj(size(a)) = mre2();
                    c = num2cell(a);
                    [obj.A] = c{:};
                end
            end
        end
    end
end



octave:40> m = mre2([1,2,3]);
error: mark_as_constructed: invalid object
octave:41> 



classdef mre3
    properties
        A
    end
    methods
        function obj = mre3(a)
            if nargin > 0
                if isscalar(a)
                    obj.A = a;
                else
                    obj(size(a)) = mre3();
                    for kk = 1:numel(a)
                        obj(kk).A = a(kk);
                    end
                end
            end
        end
    end
end



octave:41> m = mre3([1,2,3]);
error: mark_as_constructed: invalid object
octave:42> 




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