$ lldb /Applications/Emacs.app/Contents/MacOS/Emacs-x86_64-10_9
(lldb) target create "/Applications/Emacs.app/Contents/MacOS/Emacs-x86_64-10_9"
Current executable set to '/Applications/Emacs.app/Contents/MacOS/Emacs-x86_64-10_9' (x86_64).
(lldb) r
Process 23181 launched: '/Applications/Emacs.app/Contents/MacOS/Emacs-x86_64-10_9' (x86_64)
Process 23181 stopped
* thread #1: tid = 0x1550e6, 0x000000010084979d libnettle.6.dylib`nettle_sha256_init + 4, queue = 'com.apple.main-thread', stop reason = EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0)
frame #0: 0x000000010084979d libnettle.6.dylib`nettle_sha256_init + 4
libnettle.6.dylib`nettle_sha256_init:
-> 0x10084979d <+4>: vmovaps 0x130bb(%rip), %xmm0 ; nettle_sha256_init.H0 + 16
0x1008497a5 <+12>: vmovups %xmm0, 0x10(%rdi)
0x1008497aa <+17>: vmovaps 0x1309e(%rip), %xmm0 ; nettle_sha256_init.H0
0x1008497b2 <+25>: vmovups %xmm0, (%rdi)