Polygon buffer removes its hole when quadSegs = 0

[dzakaTarik]

geosop - GEOS 3.12.2

When taking a small buffer around the polygon with quadSegs = 0 and distance=1e-5, one polygon hole is completely removed for no apparent reason. Hole is much bigger than the buffer and there is no way that buffering removes this hole naturally. I tried distances 100, 10, 1, 1e-1, 1e-2, 1e-3, 1e-4, 1e-6, all of which do not remove the hole.

Input polygon: poly.wkt.txt

Visualisation
Input

Buffer dist=1e-5, quadSegs=0

Buffer dist=100, quadSegs=0

To quickly reproduce, you can add a new operation to utils/geosop/GeometryOp.cpp:
{"bufferWithQuadrantSegments", [](std::string name) { return GeometryOp::create(name, catConst, "compute the buffer of geometry by a distance with quadrant segments", [](const std::unique_ptr<Geometry>& geom, double d, int quadrantSegments) { return new Result( geom->buffer( d, quadrantSegments ) ); }); }},