--- /dev/null
+package pkg
+
+type I interface {
+ fn1()
+}
+
+type t struct{}
+
+func (t) fn1() {}
+func (t) fn2() {} // want `fn2`
+
+func init() {
+ _ = t{}
+}
+
+type I1 interface {
+ Foo()
+}
+
+type I2 interface {
+ Foo()
+ bar()
+}
+
+type t1 struct{}
+type t2 struct{}
+type t3 struct{}
+type t4 struct{ t3 }
+
+func (t1) Foo() {}
+func (t2) Foo() {}
+func (t2) bar() {}
+func (t3) Foo() {}
+func (t3) bar() {}
+
+func Fn() {
+ var v1 t1
+ var v2 t2
+ var v3 t3
+ var v4 t4
+ _ = v1
+ _ = v2
+ _ = v3
+ var x interface{} = v4
+ _ = x.(I2)
+}