Class __exception
   size=40 align=8
   base size=40 base align=8
__exception (0x0x7ff391882600) 0

Class __signbitl(long double)::<anonymous union>
   size=16 align=16
   base size=16 base align=16
__signbitl(long double)::<anonymous union> (0x0x7ff391882660) 0

Class BPPoint
   size=8 align=4
   base size=8 base align=4
BPPoint (0x0x7ff3918826c0) 0

