Segfault on lua5.3

[Martmists-GH]

...
cannot find blockend > 5 , pc = 4, f->sizecode = 5
cannot find blockend > 5 , pc = 4, f->sizecode = 5
cannot find blockend > 18 , pc = 17, f->sizecode = 18
-- Decompiled using luadec 2.2 rev: 895d923 for Lua 5.3 from https://github.com/viruscamp/luadec
-- Command line: /opt/files/event/gameover.blua 


Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7de3515 in __strlen_avx2 () from /usr/lib/libc.so.6
(gdb) i s
#0  0x00007ffff7de3515 in __strlen_avx2 () from /usr/lib/libc.so.6
#1  0x0000555555564416 in StringBuffer_add ()
#2  0x000055555555da0d in listUpvalues ()
#3  0x000055555555e78a in ProcessCode ()
#4  0x0000555555561ead in luaU_decompile ()
#5  0x00005555555578c3 in main ()