2 files changed, 22 insertions, 0 deletions
diff --git a/test/typeparam/issue48280.dir/a.go b/test/typeparam/issue48280.dir/a.go
new file mode 100644
index 0000000000..17859e6aa9
--- /dev/null
+++ b/test/typeparam/issue48280.dir/a.go
@@ -0,0 +1,11 @@
+// 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
+
+type I[T I[T]] interface {
+	F() T
+}
+
+type S struct{}
diff --git a/test/typeparam/issue48280.dir/main.go b/test/typeparam/issue48280.dir/main.go
new file mode 100644
index 0000000000..b9981c6f61
--- /dev/null
+++ b/test/typeparam/issue48280.dir/main.go
@@ -0,0 +1,11 @@
+// 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
+
+import "a"
+
+func main() {
+	_ = a.S{}
+}