Mojang removed damage values from potions in 1.9 update so I'm not sure how you are handling potions now. The "what kind of potion is this?" -data is now being stored in NBT tags.

This doesn't work anymore:

craft Leipätaikina4
air + POTION + air
chorus_fruit_popped:0 + chorus_fruit_popped:0 + chorus_fruit_popped:0
= spawn_egg:91
@ingredientcondition POTION | data 8192,16,0
@itemname §fLeipätaikina

Even if you remove the ingredientcondition potion isn't recognized:

craft Leipätaikina4
air + POTION + air
chorus_fruit_popped:0 + chorus_fruit_popped:0 + chorus_fruit_popped:0
= spawn_egg:91
@itemname §fLeipätaikina

There are no errors but the recipe doesn't show up when you try to craft it.

Also this does not work:

craft test
potion:* + potion:* + potion:*
potion:* + potion:* + potion:*
potion:* + potion:* + potion:*
= dirt:0:1

If you use potion:0 directly in the name it seems to work, ie it at least lets you craft something - but ingredientcondition does not work so ALL potions will work.