1 files changed, 27 insertions, 0 deletions
diff --git a/test/typeparam/issue48056.go b/test/typeparam/issue48056.go
new file mode 100644
index 0000000..e91d689
--- /dev/null
+++ b/test/typeparam/issue48056.go
@@ -0,0 +1,27 @@
+// compile
+
+// 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 p
+
+type B[T any] interface {
+	Work()
+}
+type BImpl[T any] struct{}
+
+func (b *BImpl[T]) Work() {
+}
+
+type A[T any] struct {
+	B[T]
+}
+
+func f[T any]() {
+	s := &A[T]{
+		&BImpl[T]{},
+	}
+	// golang.org/issue/48056
+	s.Work()
+}