K 10
svn:author
V 4
ache
K 8
svn:date
V 27
2014-10-07T06:02:08.864118Z
K 7
svn:log
V 293
Back out timegm error check from r272562.

POSIX treats negative time_t as undefined (i.e. may be valid too,
depends on system's policy we don't have) and we don't set EOVERFLOW
in mktime/timegm as POSIX requires to surely distinguish -1 return
as valid negative time from -1 as error return.

END