tests % lldb --file "/Users/ch/Projects/chicken-5.4.0rc1/chicken" -- null.scm                                         
(lldb) target create "/Users/ch/Projects/chicken-5.4.0rc1/chicken"
Current executable set to '/Users/ch/Projects/chicken-5.4.0rc1/chicken' (arm64).
(lldb) settings set -- target.run-args  "null.scm"
(lldb) run
Process 49110 launched: '/Users/ch/Projects/chicken-5.4.0rc1/chicken' (arm64)
Process 49110 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x36)
    frame #0: 0x0000000100069f44 chicken`f_7286(t0=6171248144, t1=6171248360) at batch-driver.c:14202:18
   14199	av2[0]=t3;
   14200	av2[1]=t2;
   14201	av2[2]=((C_word*)t0)[2];
-> 14202	((C_proc)(void*)(*((C_word*)t3+1)))(3,av2);}}
   14203	
   14204	/* k7288 in loop in a7279 in k7263 in doloop1658 in k5886 in k5883 in k5880 in k5877 in k5874 in k5870 in k5866 in k5863 in k5860 in k5857 in k5854 in k5815 in k5796 in k5793 in k5790 in k5787 in k5784 in ... */
   14205	static void C_ccall f_7290(C_word c,C_word *av){
Target 0: (chicken) stopped.
(lldb) p $x0
(unsigned long) $0 = 54
(lldb) l
   14206	C_word tmp;
   14207	C_word t0=av[0];
   14208	C_word t1=av[1];
   14209	C_word t2;
   14210	C_word t3;
   14211	C_word t4;
   14212	C_word *a;