Summary:
When a village is generated for the first time, a villager can spawn on top of their bed in a house where the roof is only 1 block above the bed, causing the villager to suffocate.

Steps to Reproduce:

1. Create a new world with the seed -1235243567
2. /tp -296 68 -798

Observed Results:
The villager spawns on top of their bed and suffocates.

Expected Results:
The villager should spawn beside their bed.

Video:
Minecraft 2021-07-07 10-20-34.mp4

Notes:
A baby villager can spawn sometimes, so the steps will need to be repeated when that happens.