This is xnu-8019. See this file in:
__ZN10OSIterator20_RESERVEDOSIterator0Ev
__ZN10OSIterator20_RESERVEDOSIterator1Ev
__ZN10OSIterator20_RESERVEDOSIterator2Ev
__ZN10OSIterator20_RESERVEDOSIterator3Ev
__ZN11OSMetaClass21_RESERVEDOSMetaClass0Ev
__ZN11OSMetaClass21_RESERVEDOSMetaClass1Ev
__ZN11OSMetaClass21_RESERVEDOSMetaClass2Ev
__ZN11OSMetaClass21_RESERVEDOSMetaClass3Ev
__ZN11OSMetaClass21_RESERVEDOSMetaClass4Ev
__ZN11OSMetaClass21_RESERVEDOSMetaClass5Ev
__ZN11OSMetaClass21_RESERVEDOSMetaClass6Ev
__ZN11OSMetaClass21_RESERVEDOSMetaClass7Ev
__ZN11OSSerialize21_RESERVEDOSSerialize0Ev
__ZN11OSSerialize21_RESERVEDOSSerialize1Ev
__ZN11OSSerialize21_RESERVEDOSSerialize2Ev
__ZN11OSSerialize21_RESERVEDOSSerialize3Ev
__ZN11OSSerialize21_RESERVEDOSSerialize4Ev
__ZN11OSSerialize21_RESERVEDOSSerialize5Ev
__ZN11OSSerialize21_RESERVEDOSSerialize6Ev
__ZN11OSSerialize21_RESERVEDOSSerialize7Ev
__ZN12OSCollection22_RESERVEDOSCollection0Ev
__ZN12OSCollection22_RESERVEDOSCollection1Ev
__ZN12OSCollection22_RESERVEDOSCollection2Ev
__ZN12OSCollection22_RESERVEDOSCollection3Ev
__ZN12OSCollection22_RESERVEDOSCollection4Ev
__ZN12OSCollection22_RESERVEDOSCollection5Ev
__ZN12OSCollection22_RESERVEDOSCollection6Ev
__ZN12OSCollection22_RESERVEDOSCollection7Ev
__ZN12OSDictionary22_RESERVEDOSDictionary0Ev
__ZN12OSDictionary22_RESERVEDOSDictionary1Ev
__ZN12OSDictionary22_RESERVEDOSDictionary2Ev
__ZN12OSDictionary22_RESERVEDOSDictionary3Ev
__ZN12OSDictionary22_RESERVEDOSDictionary4Ev
__ZN12OSDictionary22_RESERVEDOSDictionary5Ev
__ZN12OSDictionary22_RESERVEDOSDictionary6Ev
__ZN12OSDictionary22_RESERVEDOSDictionary7Ev
__ZN12OSOrderedSet22_RESERVEDOSOrderedSet0Ev
__ZN12OSOrderedSet22_RESERVEDOSOrderedSet1Ev
__ZN12OSOrderedSet22_RESERVEDOSOrderedSet2Ev
__ZN12OSOrderedSet22_RESERVEDOSOrderedSet3Ev
__ZN12OSOrderedSet22_RESERVEDOSOrderedSet4Ev
__ZN12OSOrderedSet22_RESERVEDOSOrderedSet5Ev
__ZN12OSOrderedSet22_RESERVEDOSOrderedSet6Ev
__ZN12OSOrderedSet22_RESERVEDOSOrderedSet7Ev
__ZN15OSMetaClassBase25_RESERVEDOSMetaClassBase0Ev
__ZN15OSMetaClassBase25_RESERVEDOSMetaClassBase1Ev
__ZN15OSMetaClassBase25_RESERVEDOSMetaClassBase2Ev
__ZN15OSMetaClassBase25_RESERVEDOSMetaClassBase3Ev
__ZN15OSMetaClassBase25_RESERVEDOSMetaClassBase4Ev
__ZN15OSMetaClassBase25_RESERVEDOSMetaClassBase5Ev
__ZN15OSMetaClassBase25_RESERVEDOSMetaClassBase6Ev
__ZN15OSMetaClassBase25_RESERVEDOSMetaClassBase7Ev
__ZN5OSSet15_RESERVEDOSSet0Ev
__ZN5OSSet15_RESERVEDOSSet1Ev
__ZN5OSSet15_RESERVEDOSSet2Ev
__ZN5OSSet15_RESERVEDOSSet3Ev
__ZN5OSSet15_RESERVEDOSSet4Ev
__ZN5OSSet15_RESERVEDOSSet5Ev
__ZN5OSSet15_RESERVEDOSSet6Ev
__ZN5OSSet15_RESERVEDOSSet7Ev
__ZN6OSData16_RESERVEDOSData0Ev
__ZN6OSData16_RESERVEDOSData1Ev
__ZN6OSData16_RESERVEDOSData2Ev
__ZN6OSData16_RESERVEDOSData3Ev
__ZN6OSData16_RESERVEDOSData4Ev
__ZN6OSData16_RESERVEDOSData5Ev
__ZN6OSData16_RESERVEDOSData6Ev
__ZN6OSData16_RESERVEDOSData7Ev
__ZN7OSArray17_RESERVEDOSArray0Ev
__ZN7OSArray17_RESERVEDOSArray1Ev
__ZN7OSArray17_RESERVEDOSArray2Ev
__ZN7OSArray17_RESERVEDOSArray3Ev
__ZN7OSArray17_RESERVEDOSArray4Ev
__ZN7OSArray17_RESERVEDOSArray5Ev
__ZN7OSArray17_RESERVEDOSArray6Ev
__ZN7OSArray17_RESERVEDOSArray7Ev
__ZN8OSNumber18_RESERVEDOSNumber0Ev
__ZN8OSNumber18_RESERVEDOSNumber1Ev
__ZN8OSNumber18_RESERVEDOSNumber2Ev
__ZN8OSNumber18_RESERVEDOSNumber3Ev
__ZN8OSNumber18_RESERVEDOSNumber4Ev
__ZN8OSNumber18_RESERVEDOSNumber5Ev
__ZN8OSNumber18_RESERVEDOSNumber6Ev
__ZN8OSNumber18_RESERVEDOSNumber7Ev
__ZN8OSObject18_RESERVEDOSObject0Ev
__ZN8OSObject18_RESERVEDOSObject1Ev
__ZN8OSObject18_RESERVEDOSObject2Ev
__ZN8OSObject18_RESERVEDOSObject3Ev
__ZN8OSObject18_RESERVEDOSObject4Ev
__ZN8OSObject18_RESERVEDOSObject5Ev
__ZN8OSObject18_RESERVEDOSObject6Ev
__ZN8OSObject18_RESERVEDOSObject7Ev
__ZN8OSObject18_RESERVEDOSObject8Ev
__ZN8OSObject18_RESERVEDOSObject9Ev
__ZN8OSObject19_RESERVEDOSObject10Ev
__ZN8OSObject19_RESERVEDOSObject11Ev
__ZN8OSObject19_RESERVEDOSObject12Ev
__ZN8OSObject19_RESERVEDOSObject13Ev
__ZN8OSObject19_RESERVEDOSObject14Ev
__ZN8OSObject19_RESERVEDOSObject15Ev
__ZN8OSString18_RESERVEDOSString0Ev
__ZN8OSString18_RESERVEDOSString1Ev
__ZN8OSString18_RESERVEDOSString2Ev
__ZN8OSString18_RESERVEDOSString3Ev
__ZN8OSString18_RESERVEDOSString4Ev
__ZN8OSString18_RESERVEDOSString5Ev
__ZN8OSString18_RESERVEDOSString6Ev
__ZN8OSString18_RESERVEDOSString7Ev
__ZN8OSString18_RESERVEDOSString8Ev
__ZN8OSString18_RESERVEDOSString9Ev
__ZN8OSString19_RESERVEDOSString10Ev
__ZN8OSString19_RESERVEDOSString11Ev
__ZN8OSString19_RESERVEDOSString12Ev
__ZN8OSString19_RESERVEDOSString13Ev
__ZN8OSString19_RESERVEDOSString14Ev
__ZN8OSString19_RESERVEDOSString15Ev
__ZN8OSSymbol18_RESERVEDOSSymbol0Ev
__ZN8OSSymbol18_RESERVEDOSSymbol1Ev
__ZN8OSSymbol18_RESERVEDOSSymbol2Ev
__ZN8OSSymbol18_RESERVEDOSSymbol3Ev
__ZN8OSSymbol18_RESERVEDOSSymbol4Ev
__ZN8OSSymbol18_RESERVEDOSSymbol5Ev
__ZN8OSSymbol18_RESERVEDOSSymbol6Ev
__ZN8OSSymbol18_RESERVEDOSSymbol7Ev
__ZN9OSBoolean19_RESERVEDOSBoolean0Ev
__ZN9OSBoolean19_RESERVEDOSBoolean1Ev
__ZN9OSBoolean19_RESERVEDOSBoolean2Ev
__ZN9OSBoolean19_RESERVEDOSBoolean3Ev
__ZN9OSBoolean19_RESERVEDOSBoolean4Ev
__ZN9OSBoolean19_RESERVEDOSBoolean5Ev
__ZN9OSBoolean19_RESERVEDOSBoolean6Ev
__ZN9OSBoolean19_RESERVEDOSBoolean7Ev