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 46300 launched: '/Users/ch/Projects/chicken-5.4.0rc1/chicken' (arm64) Process 46300 stopped * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x36) frame #0: 0x000000010001619c chicken`f_7286 + 152 chicken`f_7286: -> 0x10001619c <+152>: ldr x2, [x0, #0x8] 0x1000161a0 <+156>: mov x0, #0x3 0x1000161a4 <+160>: blr x2 chicken`f_7280: 0x1000161a8 <+0>: adrp x3, 562 Target 0: (chicken) stopped.