my $value :Stashed = 1;

##</code><code>##

    $c->stash( value => 1 );

##</code><code>##

    sub action
         : Chained('other_action')
    {
        my $value: Stashed;
        #
        # a bit of code using $value
        #
        my $value: Stashed = 1;
    }

##</code><code>##

    panic: Can't find SCALAR(0x3240d90) in the the caller's lexical pad

##</code><code>##

    "my" variable $value masks earlier declaration in same scope.