From: firstname.dot.lastname@googlemail.com   
      
   On Sat, 25 May 2013 17:34:38 -0600, Seungbeom Kim wrote:   
      
   > On 2013-05-24 05:28, Edward Rosten wrote:   
   >>   
   >> Of course, (de)serialising junk is a waste of bandwidth and   
   >> storage, so it wouldn't be ideal, but I don't see that it would be   
   >> too much of a problem otherwise.   
   >   
   > For one thing, trying to read uninitialized junk results in   
   > undefined behavior, and you cannot get around it because it happens   
   > automatically.   
      
   That doesn't matter: we're talking about something new so the   
   implementation is free to define it in this case. In practice, if the   
   memory is mapped in, and not MMIO, then reading as bytes is   
   harmless. The allocator can know that since it was responsible for   
   allocating the memory in the first place.   
      
   -Ed   
      
      
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