using one of the stairs picked using pickblock the followed the steps in original post
this is not an important bug and it dose not need to be fixed beacuse to use the /kill comand you need cheats so if you have chets you can just go back to creative and get more stairs
sucsessfully reproduced in 13w3a
the render distance was set to far
no mods
the ocean chunks were newly generanted
mob griefing was set to false
the world was made in 12w50b
it definity happened
YES THE PICKBLOCK TOOL WAS USED AFTER AFTER DROPING TO QUIKLY PICK IT UP
also in regards to another bug after using the /give 95 command with hot bar full the game will crash and if you reload the world when you go to survival inventory tab it will crash the game
the log on multi mc (a program that allows to create logs run diffrent versions of mc and mods at the same time)