Reduced test case from this forum post reported by jessedavis
procedure delete_proc(object x)
puts(1, "deleting ")
? x
end procedure
constant op = delete_routine(1, routine_id("delete_proc"))
switch op do
case op then
puts(1, "in first case...\n")
end switch
deleting 1
/home/pete/Downloads/euphoria-4.1.0-Linux-x64/switchdelete.ex:8
A machine-level exception occurred during execution of this statement (signal 11)
--> See ex.err