Illumos lex

(gdb) run ../geniconvtbl/itm_comp.l
Starting program: /home/me/Projects/solaris/illumos-gate/usr/src/cross/src/lex/lex ../geniconvtbl/itm_comp.l
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7e1347e in __GI___libc_free (mem=0x555b5bd0) at ./malloc/malloc.c:3368
3368	./malloc/malloc.c: No such file or directory.
(gdb) bt
#0  0x00007ffff7e1347e in __GI___libc_free (mem=0x555b5bd0)
    at ./malloc/malloc.c:3368
#1  0x000055555555df29 in yylex ()
    at /home/me/Projects/solaris/illumos-gate/usr/src/cross/src/lex/parser.y:344
#2  0x0000555555560582 in yyparse ()
    at /home/me/Projects/solaris/illumos-gate/usr/src/cross/lib/yaccpar:299