David Risch

Was able to reproduce the glitch in vanilla so this is not an issue with optifine.

Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 6/12/20 3:37 PM
Description: Manually triggered debug crash

java.lang.Throwable
at dbl.b(SourceFile:454)
at dbn.p(SourceFile:1511)
at dbn.d(SourceFile:964)
at dbn.d(SourceFile:619)
at net.minecraft.client.main.Main.main(SourceFile:204)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

– Head –
Thread: Render thread
Stacktrace:
at dbl.b(SourceFile:454)

– Affected level –
Details:
All players: 1 total; [dqb['beans_yosh'/257, l='MpServer', x=96.56, y=65.00, z=-156.82]]
Chunk stats: Client Chunk Cache: 441, 269
Level dimension: minecraft:overworld
Level name: MpServer
Level seed: -3319958718513695986
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options: {}
Level spawn location: World: (0,70,-255), Chunk: (at 0,4,1 in 0,-16; contains blocks 0,0,-256 to 15,255,-241), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
Level time: 1007000 game time, 1897329 day time
Known server brands:
Level was modded: false
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: true. Cheats: false
Server brand: vanilla
Server type: Integrated singleplayer server
Stacktrace:
at dno.a(SourceFile:450)
at dbn.c(SourceFile:1921)
at dbn.d(SourceFile:634)
at net.minecraft.client.main.Main.main(SourceFile:204)

– System Details –
Details:
Minecraft Version: 1.15.2
Minecraft Version ID: 1.15.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 2601989496 bytes (2481 MB) / 3657433088 bytes (3488 MB) up to 4294967296 bytes (4096 MB)
CPUs: 8
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
Launched Version: 1.15.2
Backend library: LWJGL version 3.2.2 build 10
Backend API: AMD Radeon(TM) RX Vega 11 Graphics GL version 4.6.13587 Compatibility Profile Context 20.2.2 26.20.15019.19000, ATI Technologies Inc.
GL Caps: Using framebuffer using OpenGL 3.0
Using VBOs: Yes
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs:
Current Language: English (US)
CPU: 8x AMD Ryzen 5 2400G with Radeon Vega Graphics

Here then:

Minecraft Crash Report ----
// My bad.

Time: 6/12/20 3:11 PM
Description: Manually triggered debug crash

java.lang.Throwable
at dbl.b(KeyboardListener.java:668)
at dbn.p(SourceFile:1511)
at dbn.d(SourceFile:964)
at dbn.d(SourceFile:619)
at net.minecraft.client.main.Main.main(SourceFile:204)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:159)
at net.minecraft.launchwrapper.Launch.main(Launch.java:30)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

– Head –
Thread: Render thread
Stacktrace:
at dbl.b(KeyboardListener.java:668)

– Affected level –
Details:
All players: 1 total; [dqb['beans_yosh'/256, l='MpServer', x=97.30, y=64.00, z=-159.70]]
Chunk stats: Client Chunk Cache: 441, 255
Level dimension: minecraft:overworld
Level name: MpServer
Level seed: -3319958718513695986
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options: {}
Level spawn location: World: (0,70,-255), Chunk: (at 0,4,1 in 0,-16; contains blocks 0,0,-256 to 15,255,-241), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
Level time: 1005915 game time, 1896244 day time
Known server brands:
Level was modded: false
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: true. Cheats: false
Server brand: vanilla
Server type: Integrated singleplayer server
Stacktrace:
at dno.a(ClientWorld.java:611)
at dbn.c(SourceFile:1921)
at dbn.d(SourceFile:634)
at net.minecraft.client.main.Main.main(SourceFile:204)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:159)
at net.minecraft.launchwrapper.Launch.main(Launch.java:30)

– System Details –
Details:
Minecraft Version: 1.15.2
Minecraft Version ID: 1.15.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 2941107808 bytes (2804 MB) / 3657433088 bytes (3488 MB) up to 4294967296 bytes (4096 MB)
CPUs: 8
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
Launched Version: 1.15.2-OptiFine_HD_U_G1_pre12
Backend library: LWJGL version 3.2.2 build 10
Backend API: AMD Radeon(TM) RX Vega 11 Graphics GL version 4.6.13587 Compatibility Profile Context 20.2.2 26.20.15019.19000, ATI Technologies Inc.
GL Caps: Using framebuffer using OpenGL 3.0
Using VBOs: Yes
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Resource Packs:
Current Language: English (US)
CPU: 8x AMD Ryzen 5 2400G with Radeon Vega Graphics

I tested it one more time by getting a bed in survival putting the bed in a open field sleeping in it dying from fall damage and it set me to where I was when I first spawned in the world