Does it still crash if you call 
$twig->purge;

[download]
after having parsed the file? 
($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: Segmentation coredump issue by choroba
in thread Segmentation coredump issue by Kal87

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