/give block 34 causes crash and chunk corruption/deletion/regeneration

server 13w39b client 13w39b.

issue not present in 13w39a

issuing command "/give <playername> 34 1" causes the chunk the player is currently standing in to becoming corrupted. The client is forced closed with "end of stream" message. server continues to run. Returning to world results in the chunk having been regenerated.

previous version result in a "no such item" error in console.

edit: attached .txt of server console output.