use 5.10.0;

##</code><code>##

:5.10     bareword_filehandles indirect
          multidimensional say state switch

##</code><code>##

...
package Regexp::Common;
use if $] >= 5.035, feature => 'multidimensional';

package main;
...

##</code><code>##

...
package Regexp::Common {
    use if $] >= 5.035, feature => 'multidimensional';
}

package main;
...

##</code><code>##

Multidimensional hash lookup is disabled at ...