$gv = *x; @$gv  =>  @x

##</code><code>##

$gv = *x;
$gv{ARRAY}    # Obviously wrong.
*$gv{ARRAY}   # Ok

##</code><code>##

print(STDOUT + 2)   =>  print( { STDOUT } 2 )

##</code><code>##

print(*STDOUT + 2)  =>  print( { select() } *STDOUT+2 )
print(*$x + 2)      =>  print( { select() } *$x+2 )
print($x + 2)       =>  print( { select() } $x+2 )