print "$_ and $i\n" for ($i = 1, $i++, $i++);

__OUTPUT__
3 and 3
1 and 3
2 and 3

##</code><code>##

print "$_ and $i\n" for (\($i = 1, $i++, $i++));
print \$i , "\n";

__OUTPUT__
SCALAR(0x8176c44) and 3
SCALAR(0x815dcc0) and 3
SCALAR(0x815dad4) and 3
SCALAR(0x8176c44)