K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2013-12-06T21:44:13.841202Z
K 7
svn:log
V 276
Disallow optimizations which potentially remove boundary checks
for signed values due to a compiler authors considering integer
overflow as impossible.

The change follows suit of other projects taking the same measure.

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week

END