diff --git a/test/fixedbugs/issue34577.dir/a.go b/test/fixedbugs/issue34577.dir/a.go
index c0203818c1..b6af5556b3 100644
--- a/test/fixedbugs/issue34577.dir/a.go
+++ b/test/fixedbugs/issue34577.dir/a.go
@@ -8,6 +8,19 @@ type A struct {
 	x int
 }
 
+type AI interface {
+	bar()
+}
+
+type AC int
+
+func (ab AC) bar() {
+}
+
+const (
+	ACC = AC(101)
+)
+
 //go:noinline
 func W(a A, k, v interface{}) A {
 	return A{3}
diff --git a/test/fixedbugs/issue34577.dir/b.go b/test/fixedbugs/issue34577.dir/b.go
index 8f07c62175..bbcd1af517 100644
--- a/test/fixedbugs/issue34577.dir/b.go
+++ b/test/fixedbugs/issue34577.dir/b.go
@@ -17,3 +17,7 @@ func (b B) Func(x a.A) a.A {
 type ktype int
 
 const k ktype = 0
+
+func Func2() a.AI {
+	return a.ACC
+}