References are converted to their addresses so you can check object identity: 
if ($obj1 == $obj2) {
    print "The same object.\n";
}

[download]
($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

[download]

In reply to Re^3: perl not going to error path by choroba
in thread perl not going to error path by gupr1980

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