libgo: Update to weekly.2011-12-02.

From-SVN: r182295

libgo/go/time/tick_test.go

@@ -11,21 +11,21 @@ import (
 
 func TestTicker(t *testing.T) {
 	const (
-		Delta = 100 * 1e6
+		Delta = 100 * Millisecond
 		Count = 10
 	)
 	ticker := NewTicker(Delta)
-	t0 := Nanoseconds()
+	t0 := Now()
 	for i := 0; i < Count; i++ {
 		<-ticker.C
 	}
 	ticker.Stop()
-	t1 := Nanoseconds()
-	ns := t1 - t0
-	target := int64(Delta * Count)
+	t1 := Now()
+	dt := t1.Sub(t0)
+	target := Delta * Count
 	slop := target * 2 / 10
-	if ns < target-slop || ns > target+slop {
-		t.Fatalf("%d ticks of %g ns took %g ns, expected %g", Count, float64(Delta), float64(ns), float64(target))
+	if dt < target-slop || dt > target+slop {
+		t.Fatalf("%d %s ticks took %s, expected [%s,%s]", Count, Delta, dt, target-slop, target+slop)
 	}
 	// Now test that the ticker stopped
 	Sleep(2 * Delta)