Comment 3 for bug 2067313

Sure:

$ lldb -p 54968
(lldb) process attach --pid 54968
Process 54968 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=2, address=0x50944490)
    frame #0: 0x0000000054878b52
-> 0x54878b52: movq %rdx, 0x50944490
    0x54878b5a: subq $0x10, %rsp
    0x54878b5e: xorl %ecx, %ecx
    0x54878b60: movq %rbp, (%rsp)
Target 0: (sbcl) stopped.
Executable module set to "/Users/kreuter/zzz/sbcl/src/runtime/sbcl".
Architecture set to: x86_64h-apple-macosx-.
(lldb) bt
bt
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=2, address=0x50944490)
  * frame #0: 0x0000000054878b52
    frame #1: 0x000000005488e8cb
    frame #2: 0x000000005488e584
    frame #3: 0x0000000054baf271
    frame #4: 0x0000000054baf09b
    frame #5: 0x0000000054baeec8
    frame #6: 0x0000000005a4808d sbcl`call_into_lisp_ at x86-64-assem.S:209
    frame #7: 0x0000000005a2c4e8 sbcl`create_main_lisp_thread(function=<unavailable>) at thread.c:393:5 [opt]
    frame #8: 0x0000000005a27ed8 sbcl`initialize_lisp(argc=5, argv=0x00007ff7ba5f6660, envp=0x00007ff7ba5f6690) at runtime.c:812:5 [opt]
    frame #9: 0x0000000005a1c029 sbcl`main(argc=<unavailable>, argv=<unavailable>, envp=<unavailable>) at main.c:11:5 [opt]
    frame #10: 0x00007ff80cbc4366 dyld`start + 1942
(lldb)