program fpc_testing;

var i, min, max : longint;

begin

min := 1;
max := 10;

for i := min to max do
  if i = 5 then i := 6;  // Error: Illegal assignment to for-loop variable "i"  with -Sgh but not -Sgho

i := min;
while i <= max do
  begin
  if i = 5 then i := 6;
  i := i + 1 ;
  end;

i := min;
repeat
  if i = 5 then i := 6;  
  i := i + 1;
until i > max;

end.