BEGIN { skip "requires 5.22.0" if $^V lt v5.22.0 } # omit
use if $^V ge v5.20.0, 'experimental', 'refaliasing'; # omit
my($a, $b) = (1, 2);
\$a = \$b;
\($a) = \$b;
our @array = (1, 2);
\$array[1] = \$a;
my %hash = (1, 1);
\$hash{'1'} = \$b

