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-rw-r--r--libgo/go/time/sleep.go2
1 files changed, 2 insertions, 0 deletions
diff --git a/libgo/go/time/sleep.go b/libgo/go/time/sleep.go
index 22ffd682..90d8a18 100644
--- a/libgo/go/time/sleep.go
+++ b/libgo/go/time/sleep.go
@@ -31,6 +31,8 @@ func when(d Duration) int64 {
}
t := runtimeNano() + int64(d)
if t < 0 {
+ // N.B. runtimeNano() and d are always positive, so addition
+ // (including overflow) will never result in t == 0.
t = 1<<63 - 1 // math.MaxInt64
}
return t