DT_SplitAngle command regression

There is a regression in command DT_SplitAngle on Mandriva 2010.

In test case did / 010 / C7 after applying of command DT_SplitAngle on shape GOUVERGUI.brep:

result of checkshape command for shape "result" on OCCT652 is normal:
    This shape seems to be valid

result of checkshape command for this shape on current version of OCCT is faulty:
    On Shape faulty_1 :
    BRepCheck_SelfIntersectingWire
    On Shape faulty_2 :
    BRepCheck_UnorientableShape
    Shape faulty_1 on shape faulty_2 :
    BRepCheck_SelfIntersectingWire
    Faulty shapes in variables faulty_1 to faulty_2

Testing was made only on Mandriva 2010