Reproduction steps:
1. Open the 'Sandbox-AddressablesCrash' project
2. Go to the 'Window -> Asset Management -> Addressables -> Groups'
3. 'Build -> Clean Build -> All'
4. 'Build -> New Build -> Default Build Script'
5. Enter the Play mode
6. Exit the Play mode
7. Go back to the 'Window -> Asset Management -> Addressables -> Groups'
8. 'Build -> Clean Build -> All'
9. 'Build -> New Build -> Default Build Script'
10. Enter the Play mode and observe a crash

Reproducible with: 2021.2.6f1, 2021.2.7f1, 2022.1.0b2
Not reproducible with: 2019.4.34f1, 2020.3.25f1, 2021.2.5f1

Thread 9 Crashed:
0 libsystem_platform.dylib 0x00007fff203c7fb5 _platform_strcmp + 181
1 bee_backend 0x000000010f6bc86d CheckInputSignatureToSeeNodeNeedsExecuting(BuildQueue*, ThreadState*, RuntimeNode*) + 8685
2 bee_backend 0x000000010f6a1dca BuildThreadRoutine(void*) + 2010
3 libsystem_pthread.dylib 0x00007fff203858fc _pthread_start + 224
4 libsystem_pthread.dylib 0x00007fff20381443 thread_start + 15

Notes: tested with Addressables 1.19.15 package