[MC-119549] Executing a teleport command on a player as an entity from the game loop function causes the server to freeze and not load chunks

The bug

It appears teleporting a player to unloaded chunks as an entity inside a function run as gameLoopFunction causes the server to hang.

Possibly related error message (17w48a)

21:58:22] [Server thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NegativeArraySizeException: nbits < 0: -1611584737
	at java.util.concurrent.FutureTask.report(Unknown Source) ~[?:1.8.0_151]
	at java.util.concurrent.FutureTask.get(Unknown Source) ~[?:1.8.0_151]
	at h.a(SourceFile:124) [17w48a.jar:?]
	at net.minecraft.server.MinecraftServer.w(SourceFile:632) [17w48a.jar:?]
	at net.minecraft.server.MinecraftServer.v(SourceFile:588) [17w48a.jar:?]
	at ckz.v(SourceFile:152) [17w48a.jar:?]
	at net.minecraft.server.MinecraftServer.run(SourceFile:493) [17w48a.jar:?]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_151]
Caused by: java.lang.NegativeArraySizeException: nbits < 0: -1611584737
	at java.util.BitSet.<init>(Unknown Source) ~[?:1.8.0_151]
	at blb.<init>(SourceFile:22) ~[17w48a.jar:?]
	at blb.<init>(SourceFile:17) ~[17w48a.jar:?]
	at aqg.a(SourceFile:1019) ~[17w48a.jar:?]
	at aqg.a(SourceFile:1124) ~[17w48a.jar:?]
	at aqg.a(SourceFile:1108) ~[17w48a.jar:?]
	at yr.a(SourceFile:636) ~[17w48a.jar:?]
	at qy.a(SourceFile:524) ~[17w48a.jar:?]
	at ku.a(SourceFile:126) ~[17w48a.jar:?]
	at ku$b.a(SourceFile:18) ~[17w48a.jar:?]
	at hc$1.run(SourceFile:13) ~[17w48a.jar:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[?:1.8.0_151]
	at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.8.0_151]
	at h.a(SourceFile:123) ~[17w48a.jar:?]
	... 5 more

How to reproduce

Download the attached datapack MC_119549_datapack.zip and place it in the datapacks folder of your world

Open the world and run the following commands

/gamerule gameLoopFunction custom:teleport
/summon armor_stand ~ ~ ~ {CustomName:"Test"}