[SSADestroyHoisting] Hoist everything inner first.
[SSADestroyHoisting] Hoist everything inner first.

In addition to hoisting destroy_addrs for alloc_stacks and function
arguments, also hoist begin_access [modify] insts.  Hoist starting from
innermost scopes and proceeding outwards.

benlangmuir/swift,JGiola/swift,ahoppen/swift,roambotics/swift,roambotics/swift,atrick/swift,rudkx/swift,ahoppen/swift,gregomni/swift,glessard/swift,JGiola/swift,apple/swift,roambotics/swift,roambotics/swift,gregomni/swift,glessard/swift,glessard/swift,benlangmuir/swift,apple/swift,atrick/swift,rudkx/swift,glessard/swift,apple/swift,ahoppen/swift,roambotics/swift,gregomni/swift,glessard/swift,atrick/swift,ahoppen/swift,glessard/swift,JGiola/swift,benlangmuir/swift,rudkx/swift,atrick/swift,benlangmuir/swift,roambotics/swift,rudkx/swift,JGiola/swift,benlangmuir/swift,rudkx/swift,apple/swift,gregomni/swift,gregomni/swift,atrick/swift,benlangmuir/swift,JGiola/swift,apple/swift,gregomni/swift,ahoppen/swift,ahoppen/swift,atrick/swift,apple/swift,rudkx/swift,JGiola/swift