/loot replace entity @p armor.[bodypart] doesn't work on chest, legs, or feet

/loot replace entity @p armor.chest loot what:ever

#loot table "what:ever": 
{{ "pools": [ { "rolls": 1, "entries": [ { "type": "minecraft:item", "name": "minecraft:ice", "functions": [ { "function": "set_count", "count": { "min": 1, "max": 4 } }  ] } ] } ]}