*(*unsafe.Pointer)(e) = nil
			} else if t.Elem.Pointers() {
				memclrHasPointers(e, t.Elem.Size_)
			} else {
				memclrNoHeapPointers(e, t.Elem.Size_)
			}
			b.tophash[i] = emptyOne
			// If the bucket now ends in a bunch of emptyOne states,
			// change those to emptyRest states.
			// It would be nice to make this a separate function, but
			// for loops are not currently inlineable.
			if i == abi.MapBucketCount-1 {

        [k1: "1"]           | { it.empty() }            | { it.put("k1", "1") }                                 | "put after emptying"
        [k1: "1"]           | { it.empty() }            | { it.insert("k1", "1") }                              | "insert after emptying"
        [k1: "1"]           | { it.set([:]) }           | { it.put("k1", "1") }                                 | "put to empty"