Bump to v4.17.5.

_baseClone.js

@@ -15,7 +15,9 @@ import initCloneByTag from './_initCloneByTag.js';
 import initCloneObject from './_initCloneObject.js';
 import isArray from './isArray.js';
 import isBuffer from './isBuffer.js';
+import isMap from './isMap.js';
 import isObject from './isObject.js';
+import isSet from './isSet.js';
 import keys from './keys.js';
 
 /** Used to compose bitmasks for cloning. */
@@ -123,7 +125,7 @@ function baseClone(value, bitmask, customizer, key, object, stack) {
       if (!cloneableTags[tag]) {
         return object ? value : {};
       }
-      result = initCloneByTag(value, tag, baseClone, isDeep);
+      result = initCloneByTag(value, tag, isDeep);
     }
   }
   // Check for circular references and return its corresponding clone.
@@ -134,6 +136,22 @@ function baseClone(value, bitmask, customizer, key, object, stack) {
   }
   stack.set(value, result);
 
+  if (isSet(value)) {
+    value.forEach(function(subValue) {
+      result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
+    });
+
+    return result;
+  }
+
+  if (isMap(value)) {
+    value.forEach(function(subValue, key) {
+      result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
+    });
+
+    return result;
+  }
+
   var keysFunc = isFull
     ? (isFlat ? getAllKeysIn : getAllKeys)
     : (isFlat ? keysIn : keys);