OCCT

puts "============"
puts "OCC28886"
puts "============"
puts ""
###############################
##  infinite loop at intersecting two faces / surfaces
###############################

cpulimit 60

restore [locate_data_file bug28886_Faces.brep] ff
explode ff f
mksurface ss1 ff_1
mksurface ss2 ff_2

smallview
clear

dchrono h2 restart
set CurveNumb [intersect result ss1 ss2]
dchrono h2 stop counter bug28886CNB

if { [llength ${CurveNumb}] < 1 } {
    puts "Error : Bad intersection"
} else {
    puts "OK : Good intersection"
}

fit
disp ss1 ss2
nbiso ss1 ss2 4 4
clpoles ss1
clpoles ss2

checkview -screenshot -2d -path ${imagedir}/${test_image}.png