Adding upstream version 1.19.8.upstream/1.19.8upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 24 insertions, 0 deletions

diff --git a/test/fixedbugs/issue49143.dir/a.go b/test/fixedbugs/issue49143.dir/a.go
new file mode 100644
index 0000000..5aefcd8
--- /dev/null
+++ b/test/fixedbugs/issue49143.dir/a.go
@@ -0,0 +1,24 @@
+// 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
+
+import "sync"
+
+type Loader[K comparable, R any] struct {
+	batch *LoaderBatch[K, R]
+}
+
+func (l *Loader[K, R]) Load() error {
+	l.batch.f()
+	return nil
+}
+
+type LoaderBatch[K comparable, R any] struct {
+	once    *sync.Once
+}
+
+func (b *LoaderBatch[K, R]) f() {
+	b.once.Do(func() {})
+}