libgo: Update to Go 1.0.1 release.

From-SVN: r187163

1 files changed, 4 insertions, 2 deletions

diff --git a/libgo/go/time/time.go b/libgo/go/time/time.go
index 473bc2a..2461dac 100644
--- a/libgo/go/time/time.go
+++ b/libgo/go/time/time.go
@@ -403,7 +403,7 @@ const (
 	Hour                 = 60 * Minute
 )
 
-// Duration returns a string representing the duration in the form "72h3m0.5s".
+// String returns a string representing the duration in the form "72h3m0.5s".
 // Leading zero units are omitted.  As a special case, durations less than one
 // second format use a smaller unit (milli-, micro-, or nanoseconds) to ensure
 // that the leading digit is non-zero.  The zero duration formats as 0,
@@ -763,7 +763,9 @@ func (t Time) Unix() int64 {
 }
 
 // UnixNano returns t as a Unix time, the number of nanoseconds elapsed
-// since January 1, 1970 UTC.
+// since January 1, 1970 UTC. The result is undefined if the Unix time
+// in nanoseconds cannot be represented by an int64. Note that this
+// means the result of calling UnixNano on the zero Time is undefined.
 func (t Time) UnixNano() int64 {
 	return (t.sec+internalToUnix)*1e9 + int64(t.nsec)
 }