K 10
svn:author
V 3
des
K 8
svn:date
V 27
2010-08-15T14:50:03.158491Z
K 7
svn:log
V 216
Fix the overflow test.  It is possible for the result of an
overflowing shift to be larger than the original value, e.g.

         (uint64_t)1 << 53 = 0x20000000000000
 ((uint64_t)1 << 53) << 10 = 0x8000000000000000

END