@Override
		public int hashCode() {
			int h = 0;
			for (java.util.Map.Entry<K, WeakValue<V>> ent : hashEntrySet) {
				Object v;
				h += (ent.getKey().hashCode() ^
					(((v = ent.getValue()) == null) ? 0 : v.hashCode()));
			}
			return h;
		}
Removes all mappings from this map.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/pcodeCPort/utils/WeakHashMap2.java