1 files changed, 20 insertions, 0 deletions
diff --git a/test/typeparam/issue51219.dir/a.go b/test/typeparam/issue51219.dir/a.go
new file mode 100644
index 0000000..29670df
--- /dev/null
+++ b/test/typeparam/issue51219.dir/a.go
@@ -0,0 +1,20 @@
+// Copyright 2022 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 is the first basic test for the issue, which relates to a type that is recursive
+// via a type constraint.  (In this test, I -> IConstraint -> MyStruct -> I.)
+type JsonRaw []byte
+
+type MyStruct struct {
+	x *I[JsonRaw]
+}
+
+type IConstraint interface {
+	JsonRaw | MyStruct
+}
+
+type I[T IConstraint] struct {
+}