ResourceVersion: "1",
				},
				Spec: v1.NodeSpec{
					PodCIDRs: tt.newNodePodCIDRs,
				},
			}
			defer func() {
				r := recover()
				if r == nil && tt.expectPanic {
					t.Errorf("The code did not panic")
				} else if r != nil && !tt.expectPanic {
					t.Errorf("The code did panic")
				}
			}()

			n.OnNodeAdd(node)
		})
	}
}

func TestNodePodCIDRHandlerUpdate(t *testing.T) {

func (D) h()  {} // value receiver, indirect field of A
func (*D) i() {} // pointer receiver

func expectPanic() {
	if r := recover(); r == nil {
		panic("expected nil dereference")
	}
}

func promotion() {
	var a A
	// Addressable value receiver.
	a.f()
	a.g()
	func() {
		defer expectPanic()
		a.h() // dynamic error: nil dereference in a.B.D->f()
	}()
	a.i()