>perl580\bin\perl -MO=Concise -e"@a = sort @a" 2>&1 | find "sort"
7           <@> sort lK ->8

>perl588\bin\perl -MO=Concise -e"@a = sort @a" 2>&1 | find "sort"
7           <@> sort lK/INPLACE ->8

>perl5100\bin\perl -MO=Concise -e"@a = sort @a" 2>&1 | find "sort"
7           <@> sort lK/INPLACE ->8