This error is thrown when a subtype check is not even appropriate for two given types. It should NOT BE USED for any check failures.
# File lib/rubybreaker/debug/error.rb, line 29 def initialize(msg,pos=nil) @level = :FATAL @pos = pos ? pos : Position.convert_caller_to_pos(caller(1)) super("InvalidSubtypingCheck: #{msg}") end