process crashed with exit code 6, happend in pre-release 3 and now again in pre-release 4

was in pre-release 3 and is solved and now again in pre-release 4 and is not solved, so the bug is back again

# A fatal error has been detected by the Java Runtime Environment: # # SIGSEGV (0xb) at pc=0x00007f031ce97cbf, pid=10022, tid=10079 # # JRE version: Java(TM) SE Runtime Environment (10.0.2+13) (build 10.0.2+13) # Java VM: Java HotSpot(TM) 64-Bit Server VM (10.0.2+13, mixed mode, tiered, compressed oops, g1 gc, linux-amd64) # Problematic frame: # C [libjemalloc.so+0x24cbf] # # Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport %p %s %c %d %P" (or dumping to /home/maciej/.minecraft/core.10022) # # An error report file with more information is saved as: # /home/maciej/.minecraft/hs_err_pid10022.log [thread 10084 also had an error] # # If you would like to submit a bug report, please visit: # http://bugreport.java.com/bugreport/crash.jsp # The crash happened outside the Java Virtual Machine in native code. # See problematic frame for where to report the bug. #