Experience disappears after dying with gamerule doImmediateRespawn true

The bug

Experience orbs do not appear if the player dies with gamerule doImmediateRespawn true.

How to reproduce

1. Get some experience levels

/xp add @p 10 levels

2. Set gamerule

/gamerule doImmediateRespawn true

3. Check that gamerule keepInventory is false
4. Get killed

/kill @p

Notice that the experience orbs don't appear at the place of death at all after dying.