"Bus error" in dns_build_query on SPARC/Solaris 10 (no replies)

Hello!

When I use resolvers check in 1.6.3 haproxy, it is crashed with "Bus error".
pstack with core file shows me:

000a6d1c dns_build_query (11f921, 1c, 16a650, 21, 11f8f0, 1238f0) + a8
000a6d58 dns_send_query (16a698, 10be18, 0, 13ac90, 0, 8f1b) + 24
00048f28 trigger_resolution (169db8, 16a698, 13acc8, 65, 8f1b, 8f1b) + c0
0004d4bc process_chk (12f8a8, 80000003, 116800, 10c000, 1, 16a1a8) + 28c
00022dbc process_runnable_tasks (10c0d4, 92ffc, 10c000, 10c000, 10c0e4, 0) + 174
00019354 run_poll_loop (10c000, 116800, 10c000, 10be2c, 11cbf0, 116968) + c8
000159d0 main (4, ffbffba4, ffffffff, 106704, 10bc00, 10bc00) + 618
00016468 _start (4, ffbffba4, ffbffbb8, ffbffcbb, ffffffff, 1e) + 5c