1 files changed, 21 insertions, 0 deletions
diff --git a/test/typeparam/issue47901.go b/test/typeparam/issue47901.go
new file mode 100644
index 0000000000..cd07973011
--- /dev/null
+++ b/test/typeparam/issue47901.go
@@ -0,0 +1,21 @@
+// run -gcflags=-G=3
+
+// 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 main
+
+type Chan[T any] chan Chan[T]
+
+func (ch Chan[T]) recv() Chan[T] {
+	return <-ch
+}
+
+func main() {
+	ch := Chan[int](make(chan Chan[int]))
+	go func() {
+		ch <- make(Chan[int])
+	}()
+	ch.recv()
+}