perl -v says something like
This is perl 5, version 18, subversion 2 (v5.18.2) built for x86_64-li
+nux-thread-multi
Copyright 1987-2013, Larry Wall
The match occurs at Larry's name (the only capital L* after a space after a comma after a digit).
$_ doesn't change in the loop and there's no /g modifier, so the loop is endless.
* Update: The capital L has been updated to \x4c.
($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,
|