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Change-Id: Iad9d831d7b69427671d8327949a81b3c06794e11
2024-05-04 15:20:23 +08:00 · 2024-05-04 15:20:23 +08:00 · 54c3c82269
parent 3cbfd3c119
commit 54c3c82269
1 changed files with 7 additions and 6 deletions
--- a/src/runtime/chanbarrier_test.go
+++ b/src/runtime/chanbarrier_test.go
@ -54,8 +54,6 @@ func TestChanSendBarrier(t *testing.T) {
 	testChanSendBarrier(false)
 }

-var globalMu sync.Mutex
-
 func testChanSendBarrier(useSelect bool) {
 	var wg sync.WaitGroup
 	outer := 100
@ -75,12 +73,15 @@ func testChanSendBarrier(useSelect bool) {
 				if !ok {
 					panic(1)
 				}
-				garbage = make([]byte, 1<<10)
+				garbage = makeByte()
 			}
-			globalMu.Lock()
-			global = garbage
-			globalMu.Unlock()
+			_ = garbage
 		}()
 	}
 	wg.Wait()
 }
+
+//go:noinline
+func makeByte() []byte {
+	return make([]byte, 1<<10)
+}