1 files changed, 23 insertions, 0 deletions
diff --git a/test/typeparam/issue47684b.go b/test/typeparam/issue47684b.go
new file mode 100644
index 0000000000..c43ef8d169
--- /dev/null
+++ b/test/typeparam/issue47684b.go
@@ -0,0 +1,23 @@
+// 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
+
+func f[G any]() interface{} {
+	return func() interface{} {
+		return func() interface{} {
+			var x G
+			return x
+		}()
+	}()
+}
+
+func main() {
+	x := f[int]()
+	if v, ok := x.(int); !ok || v != 0 {
+		panic("bad")
+	}
+}