Place a ladder on the roof and watch the edges.
MC-89157
Bug with the stairs
Resolved
Duplicate
0
Iván Salido Cobo
(Unassigned)
Unconfirmed
Minecraft 15w38b
Retrieved
Thank you for your report.
However, your ticket has been resolved as a duplicate.
This issue has been linked to the original bugreport: MC-88847. You can find or add further information on that report.
Please search before reporting any bugs, as it's likely that one exists already.