module forBug();
integer i;
integer j;
initial
begin
// This loop sets i=4 .. -1 which is an error
for (i=4; i>-1; i=i-1)
$display("i=%d",i);
// This loop sets j=4 .. 0 which is correct.
for (j=4; j>=0; j=j-1)
$display("j=%d",j);
end
endmodule // forBug