Multigates only fire the first output when inside a function

Multigates only fire the first output when inside a function. The same setup in the Event Graph will function as intended.

Reproduced in 4.7.4 binary and Main (//depot/UE4/Promotable-CL-2498147)

1. Create a new Third Person Blueprint template project
2. Open the ThirdPersonCharacter Blueprint
3. Create a new function
4. Connect a Multigate
5. Out 0 > Print String "Out 0"
6. Out 1 > Print String "Out 1"
7. In the Event Graph, connect the function to an input key
8. PIE
9. Press the input key twice

Result:
Only the first Output is fired whenever the input is pressed.