Custom Named and Enchanted Bows disappeare

It was originally posted here https://bugs.mojang.com/browse/MC-55391
However no one seemed to pay any attention to it and I am still getting the same bug in the new snapshot.

Any custom named Bow or arrows will disappear from a players inventory! It has happened on multiple occasions however there doesn't seem to be any reason or trigger why. However it some times happens when placing blocks, Changing game mods, opening inventory, Spawning mobs or red stone being activated.

I made a video about it here
https://www.youtube.com/watch?v=M2lfHJ1hwwA&feature=youtu.be
The commands I used are
/give @p bow 1 0

{Unbreakable:1,ench:[ {id:51,lvl:1}

],display:{Name:"Blue Portal"}}
/give @p bow 1 0

{Unbreakable:1,ench:[ {id:51,lvl:1}

],display:{Name:"Orange Portal"}}
/give @p spawn_egg 1 11 {ench:[],display:{Name:"Delete Portals"}}
/give @p arrow