anchor.diff:  
   all() -> 
       [fpe, fp_drv, fp_drv_thread, otp_7178, denormalized,
  -     match, bad_float_unpack, {group, comparison}].
  +     match, bad_float_unpack, {group, comparison}
  +     ,hidden_inf
  +    ].
   
   groups() -> 
       [{comparison, [parallel], [cmp_zero, cmp_integer, cmp_bignum]}].
  
positive.code: 
  stop_node(Node) ->
      ?t:stop_node(Node).
  
negative.code: 	 fpe/1,fp_drv/1,fp_drv_thread/1,denormalized/1,match/1,
  	 bad_float_unpack/1,cmp_zero/1, cmp_integer/1, cmp_bignum/1]).
  -export([otp_7178/1]).
  -export([hidden_inf/1]).
  
  
  init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
  