1 files changed, 20 insertions, 0 deletions
diff --git a/test/fixedbugs/issue44370.dir/a.go b/test/fixedbugs/issue44370.dir/a.go
new file mode 100644
index 0000000000..c5bf1bcbc7
--- /dev/null
+++ b/test/fixedbugs/issue44370.dir/a.go
@@ -0,0 +1,20 @@
+// Copyright 2021 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 a
+
+// A StoppableWaitGroup waits for a collection of goroutines to finish.
+type StoppableWaitGroup struct {
+	// i is the internal counter which can store tolerate negative values
+	// as opposed the golang's library WaitGroup.
+	i *int64
+}
+
+// NewStoppableWaitGroup returns a new StoppableWaitGroup. When the 'Stop' is
+// executed, following 'Add()' calls won't have any effect.
+func NewStoppableWaitGroup() *StoppableWaitGroup {
+	return &StoppableWaitGroup{
+		i: func() *int64 { i := int64(0); return &i }(),
+	}
+}