ACVD genus error

[sloriot]

In https://cgal.geometryfactory.com/CGAL/testsuite/CGAL-6.2-Ic-16/Polygon_mesh_processing/TestReport_gimeno_ArchLinux-clang.gz

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- Polygon_mesh_processing/ProgramOutput.execution   of  test_acvd
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CGAL::Random()::get_seed() = 1760094819
test_acvd: /mnt/testsuite/test/Polygon_mesh_processing/test_acvd.cpp:51: void run_test(std::string, std::size_t, bool) [Mesh = CGAL::Surface_mesh<CGAL::Point_3<CGAL::Epick>>]: Assertion `-(vertices(mesh).size()-edges(mesh).size()+faces(mesh).size()-2)/2==genus' failed.