anchor.diff:  	    {id({Profit})}
       end.
   
  +maps(_Config) ->
  +    ok = evidence(#{0 => 42}).
  +
  +%% Cover handling of put_map in in split_block_label_used/2.
  +evidence(#{0 := Charge}) when 0; #{[] => Charge} == #{[] => 42} ->
  +    ok.
  +
  +
   %%%
   %%% Common utilities.
   %%%
  
positive.code: -export([all/0,suite/0,groups/0,init_per_suite/1,end_per_suite/1,
  	 init_per_group/2,end_per_group/2,
  	 before_and_inside_if/1,
  	 scotland/1,y_registers/1,protected/1]).
  
  suite() ->
      [{ct_hooks,[ts_install_cth]}].
  
negative.code:       [before_and_inside_if,
         scotland,
         y_registers,
         protected,
         maps
        ]}].
  
  init_per_suite(Config) ->
  