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path: root/libgo/go/sync/runtime_sema_test.go
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Diffstat (limited to 'libgo/go/sync/runtime_sema_test.go')
-rw-r--r--libgo/go/sync/runtime_sema_test.go3
1 files changed, 3 insertions, 0 deletions
diff --git a/libgo/go/sync/runtime_sema_test.go b/libgo/go/sync/runtime_sema_test.go
index 5b7dd3df3f..a2382f4655 100644
--- a/libgo/go/sync/runtime_sema_test.go
+++ b/libgo/go/sync/runtime_sema_test.go
@@ -25,6 +25,9 @@ func BenchmarkSemaUncontended(b *testing.B) {
}
func benchmarkSema(b *testing.B, block, work bool) {
+ if b.N == 0 {
+ return
+ }
sem := uint32(0)
if block {
done := make(chan bool)