1 files changed, 33 insertions, 0 deletions
diff --git a/test/typeparam/issue48318.go b/test/typeparam/issue48318.go
new file mode 100644
index 0000000..b75c520
--- /dev/null
+++ b/test/typeparam/issue48318.go
@@ -0,0 +1,33 @@
+// run
+
+// 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 (
+	"encoding/xml"
+	"fmt"
+)
+
+type A[T, U any] struct {
+	Name T `xml:"name"`
+	Data U `xml:"data"`
+}
+
+func main() {
+	src := &A[string, int]{Name: "name", Data: 1}
+	data, err := xml.Marshal(src)
+	if err != nil {
+		panic(err)
+	}
+	dst := &A[string, int]{}
+	err = xml.Unmarshal(data, dst)
+	if err != nil {
+		panic(err)
+	}
+	if *src != *dst {
+		panic(fmt.Sprintf("wanted %#v got %#v", src, dst))
+	}
+}