Initial commit: Go 1.23 release state

test/fixedbugs/issue19467.dir/mysync.go

@@ -0,0 +1,21 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package mysync
+
+import "runtime"
+
+type WaitGroup struct {
+	Callers []uintptr
+}
+
+func (wg *WaitGroup) Add(x int) {
+	wg.Callers = make([]uintptr, 32)
+	n := runtime.Callers(1, wg.Callers)
+	wg.Callers = wg.Callers[:n]
+}
+
+func (wg *WaitGroup) Done() {
+	wg.Add(-1)
+}