When you fall on lava from high level (when the fire resistance is active) and after you swim to the nearest block, the precise moment when you touch the block you get all the damage from the fall
This bug is also in the Pocket Edition 0.12
MCPE-9930
Lava-Don't stop fall damage
Resolved
Fixed
0
Fixed in build 8:
-"Lava now prevents fall damage"
Waiting for the [Mojang] users to add build 8 in the versions list.