in reply to Golf Question - Shortest way to write while inside while

The following will produce the same result (a conditional infinite loop):

{@x&&redo}

If you're asking if it's possible to use more than one statement modifier in a statement, it's not in Perl5. Quote perlsyn (emphasis in original):

Any simple statement may optionally be followed by a SINGLE modifier, just before the terminating semicolon (or block ending).