bind910-9.10.4 crash

[Dmitry Luhtionov]

FreeBSD 11.0-CURRENT #0 r297375: Wed Mar 30 12:20:40 EEST 2016     amd64

bind910-9.10.4, installed from package crashed with these lines:

05-May-2016 14:34:35.528 general: critical: rbt.c:2726: INSIST(sibling !=
((void *)0)) failed, back trace
05-May-2016 14:34:35.528 general: critical: #0 0x4189d8 in ??
05-May-2016 14:34:35.528 general: critical: #1 0x5b812a in ??
05-May-2016 14:34:35.528 general: critical: #2 0x4bc5c8 in ??
05-May-2016 14:34:35.528 general: critical: #3 0x4c94be in ??
05-May-2016 14:34:35.528 general: critical: #4 0x4c8b4b in ??
05-May-2016 14:34:35.528 general: critical: #5 0x4c8448 in ??
05-May-2016 14:34:35.528 general: critical: #6 0x4c39cc in ??
05-May-2016 14:34:35.528 general: critical: #7 0x52d561 in ??
05-May-2016 14:34:35.528 general: critical: #8 0x5d9305 in ??
05-May-2016 14:34:35.528 general: critical: #9 0x801a37814 in ??
05-May-2016 14:34:35.528 general: critical: #10 0x0 in ??
05-May-2016 14:34:35.528 general: critical: exiting (due to assertion
failure)