Reveal + Accessibility, crash

This issue had been reported to Reveal team.

Error:

(lldb)thread info
thread #1: tid = 0x66d1, 0x000000011b372286 UIKit`-[UIViewAccessibility _accessibilityRetrieveIvarText] + 363, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
    0x104fe8274 <+0>:  pushq  %rbp
    0x104fe8275 <+1>:  movq   %rsp, %rbp
    0x104fe8278 <+4>:  pushq  %r14
    0x104fe827a <+6>:  pushq  %rbx
    0x104fe827b <+7>:  movq   %rdx, %r14
    0x104fe827e <+10>: movq   %rsi, %rdi
    0x104fe8281 <+13>: callq  *0x1c2569(%rip)           ; (void *)0x000000010a101930: objc_retain
    0x104fe8287 <+19>: movq   %rax, %rbx
    0x104fe828a <+22>: movq   0x34ef0f(%rip), %rsi      ; "valueForKeyPath:"
    0x104fe8291 <+29>: movq   %rbx, %rdi
    0x104fe8294 <+32>: movq   %r14, %rdx
    0x104fe8297 <+35>: callq  *0x1c252b(%rip)           ; (void *)0x000000010a104000: objc_msgSend
->  0x104fe829d <+41>: movq   %rax, %r14
    0x104fe82a0 <+44>: movq   %rbx, %rdi
    0x104fe82a3 <+47>: callq  *0x1c253f(%rip)           ; (void *)0x000000010a1019b0: objc_release
    0x104fe82a9 <+53>: movq   %r14, %rdi
    0x104fe82ac <+56>: callq  0x105049bae               ; symbol stub for: objc_retainAutoreleasedReturnValue
    0x104fe82b1 <+61>: movq   %rax, %rdi
    0x104fe82b4 <+64>: popq   %rbx
    0x104fe82b5 <+65>: popq   %r14
    0x104fe82b7 <+67>: popq   %rbp
    0x104fe82b8 <+68>: jmp    0x105049b12               ; symbol stub for: objc_autoreleaseReturnValue