Don't refer to allocation map entry after deallocating it

debugserver's MachTask::DeallocateMemory when removing an
allocate entry from our map (in resposne to an '_m' packet),
copy the size from the entry before removing it from the
map and then using the iterator to fix an ASAN error on
the bots when running


GitOrigin-RevId: 9d4415d01d234efb5dd46bdcbb280c03e12a8101
1 file changed