OpenSCAD fastcsg issue

fastcsg issue

// openscad file.scad -o out.png --enable=fast-csg --enable=fast-csg-remesh --enable=fast-csg-trust-corefinement --render
// This will _sometimes_ hang OpenSCAD and sometimes give the following error:
// 
// CGAL error: precondition violation!
// Expression : is_polygon_soup_a_polygon_mesh(polygons)
// File       : /Users/kintel/code/OpenSCAD/libraries/install/include/CGAL/Polygon_mesh_processing/polygon_soup_to_polygon_mesh.h
// Line       : 282
// Explanation: Input soup needs to define a valid polygon mesh! See is_polygon_soup_a_polygon_mesh() for further information.
// Refer to the bug-reporting instructions at https://www.cgal.org/bug_report.html
// WARNING: [fast-csg] Corefinement corefinement mesh union #2 failed with an error: CGAL ERROR: precondition violation!
// Expr: is_polygon_soup_a_polygon_mesh(polygons)
// File: /Users/kintel/code/OpenSCAD/libraries/install/include/CGAL/Polygon_mesh_processing/polygon_soup_to_polygon_mesh.h
// Line: 282
// Explanation: Input soup needs to define a valid polygon mesh! See is_polygon_soup_a_polygon_mesh() for further information.
//


translate([40,-10,-10]) cube([2,50,30]);
translate([-30,40,-10]) cube([70,2,30]);

translate([0,0,10]) cube(10, center=true);