Port dag.c bugfix (r2019) from /branches/issue-654-dev to /trunk.
Port dag.c bugfix (r2019) from /branches/issue-654-dev to /trunk.

(See r2019 log message for details).



git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@842095 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion