1 files changed, 49 insertions, 0 deletions
diff --git a/test/typeparam/struct.go b/test/typeparam/struct.go
new file mode 100644
index 0000000000..98f0fcd888
--- /dev/null
+++ b/test/typeparam/struct.go
@@ -0,0 +1,49 @@
+// 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
+
+import (
+	"fmt"
+)
+
+type _E[T any] struct {
+	v T
+}
+
+type _S1 struct {
+	_E[int]
+	v string
+}
+
+type _Eint = _E[int]
+type _Ebool = _E[bool]
+
+type _S2 struct {
+	_Eint
+	_Ebool
+	v string
+}
+
+type _S3 struct {
+	*_E[int]
+}
+
+func main() {
+	s1 := _S1{_Eint{2}, "foo"}
+	if got, want := s1._E.v, 2; got != want {
+                panic(fmt.Sprintf("got %d, want %d", got, want))
+	}
+	s2 := _S2{_Eint{3}, _Ebool{true}, "foo"}
+	if got, want := s2._Eint.v, 3; got != want {
+                panic(fmt.Sprintf("got %d, want %d", got, want))
+	}
+	var s3 _S3
+	s3._E = &_Eint{4}
+	if got, want := s3._E.v, 4; got != want {
+                panic(fmt.Sprintf("got %d, want %d", got, want))
+	}
+}