Konstantin Belousov 4f4c35bb38 Add assert to complement r302328.
AST must not execute with TDF_SBDRY or TDF_SEINTR/TDF_SERESTART thread
flags set, which is asserted in userret(). As the consequence, -1 return
from cursig() must not be possible.

Tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
2016-07-12 03:52:05 +00:00
..
2016-07-12 03:38:29 +00:00
2016-05-03 21:51:52 +00:00
2016-07-12 03:52:05 +00:00
2016-05-03 18:05:43 +00:00
2016-04-29 16:07:25 +00:00