if u make a snow golem u will keep 1 block of snow

if u create snow golems u keep 1 block of snow

i expected that i whoud create a snow golem and that the blocks whoud go away

1 of the blocks didnt dissapear

Steps to Reproduce:
1.put down 1 block of snow
2.put a second block of snow on top of the first one
3.put a pumpkin on the second piece of snow
4.then the bug will happen