K 10
svn:author
V 3
pfg
K 8
svn:date
V 27
2013-12-12T19:02:18.745076Z
K 7
svn:log
V 129
MFC r258712;

libcpp: fix an underflow.

Similar fix seen in Apple's gcc42.

Obtained from:	OpenBSD (Rev 1.2)
MFC after:	2 weeks

END