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package checkStuff;
sub new {
...
__OUTPUT__
checkStuff=SCALAR(0x155ae0c)
checkStuff

package checkStuff;
sub new {
...
checkStuff=SCALAR(0x155ae0c)
checkStuff
2

sub getbar {
    my $self = shift;
    return ${$self};
}

sub getbar {
    return ${$_[0]};
}