Damage to spiders will cause game to freeze.
This includes attacking a spider (it sometimes freezes on a hit, but always on a kill) and if a spider falls enough to die, or lands in lava, etc.
I have completely re-installed Java & Minecraft (uninstall-reboot-reinstall) and issue is consistent.
It's a lockup so no crash report file is generated from minecraft or java.
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Please force a crash by pressing F3 + C for 10 seconds while ingame and attach the crash report here.
Attached forced-crash report

Maybe a corrupt sound file.
Please press F3 + S in game or delete .minecraft/resources/ - after next start of the game the sound files are downloaded in the background, that takes several minutes.
See MC-2249
This has solved the issue. Thanks!

Thanks for the update.