return controller, nil
}

// initializeCaches fills all controller caches with initial data from etcd in
// order to have the caches already filled when first addClaim/addVolume to
// perform initial synchronization of the controller.

				},
			},
		},
	}

	for name, tc := range testCases {
		t.Run(name, func(t *testing.T) {
			initializeCache(tc.endpointsChangeTracker.endpointSliceCache, tc.startingSlices)

			got := tc.endpointsChangeTracker.EndpointSliceUpdate(tc.paramEndpointSlice, tc.paramRemoveSlice)
			if !reflect.DeepEqual(got, tc.expectedReturnVal) {

	pendingEntries []pendingEntry

	varParts         map[*ir.Name][]SlotID
	blockDebug       []BlockDebug
	pendingSlotLocs  []VarLoc
	partsByVarOffset sort.Interface
}

func (state *debugState) initializeCache(f *Func, numVars, numSlots int) {
	// One blockDebug per block. Initialized in allocBlock.
	if cap(state.blockDebug) < f.NumBlocks() {
		state.blockDebug = make([]BlockDebug, f.NumBlocks())
	} else {