union _INVPCID_DESCRIPTOR// Size=0x10
{
    struct _unnamed_39 IndividualAddress;// Offset=0x0 Size=0x10
    struct _unnamed_40 SingleContext;// Offset=0x0 Size=0x10
    struct _unnamed_41 AllContextAndGlobals;// Offset=0x0 Size=0x10
    struct _unnamed_41 AllContext;// Offset=0x0 Size=0x10
};