https://packages.altlinux.org/en/sisyphus/srpms/perl-autovivification/
ALT Linux - sisyphus - perl-autovivification-0.18-alt2_8 - Lexically disable autovivification
When an undefined variable is dereferenced, it gets silently upgraded to an array or hash reference (depending of the type of the dereferencing). This behavior...
alt linuxsisyphusperlautovivification