--- xnu/xnu-201.19/libkern/c++/OSSet.cpp
+++ xnu/xnu-517.7.7/libkern/c++/OSSet.cpp
@@ -51,7 +51,7 @@
 
 bool OSSet::initWithObjects(const OSObject *inObjects[],
                               unsigned int inCount,
-                              unsigned int inCapacity = 0)
+                              unsigned int inCapacity)
 {
     unsigned int capacity = inCount;
 
@@ -76,7 +76,7 @@
 }
 
 bool OSSet::initWithArray(const OSArray *inArray,
-                          unsigned int inCapacity = 0)
+                          unsigned int inCapacity)
 {
     if ( !inArray )
         return false;
@@ -86,7 +86,7 @@
 }
 
 bool OSSet::initWithSet(const OSSet *inSet,
-                        unsigned int inCapacity = 0)
+                        unsigned int inCapacity)
 {
     return initWithArray(inSet->members, inCapacity);
 }
@@ -96,7 +96,7 @@
     OSSet *me = new OSSet;
 
     if (me && !me->initWithCapacity(capacity)) {
-        me->free();
+        me->release();
         return 0;
     }
 
@@ -105,12 +105,12 @@
 
 OSSet *OSSet::withObjects(const OSObject *objects[],
                           unsigned int count,
-                          unsigned int capacity = 0)
+                          unsigned int capacity)
 {
     OSSet *me = new OSSet;
 
     if (me && !me->initWithObjects(objects, count, capacity)) {
-        me->free();
+        me->release();
         return 0;
     }
 
@@ -118,12 +118,12 @@
 }
 
 OSSet *OSSet::withArray(const OSArray *array,
-                        unsigned int capacity = 0)
+                        unsigned int capacity)
 {
     OSSet *me = new OSSet;
 
     if (me && !me->initWithArray(array, capacity)) {
-        me->free();
+        me->release();
         return 0;
     }
 
@@ -131,12 +131,12 @@
 }
 
 OSSet *OSSet::withSet(const OSSet *set,
-                      unsigned int capacity = 0)
+                      unsigned int capacity)
 {
     OSSet *me = new OSSet;
 
     if (me && !me->initWithSet(set, capacity)) {
-        me->free();
+        me->release();
         return 0;
     }