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Add correct offset for end of chunk

Merged Add correct offset for end of chunk
bugfix/poolallocator-debug into master
Merged Ansgar Burchardt requested to merge bugfix/poolallocator-debug into master
  1. Nov 22, 2016
    • Ansgar Burchardt's avatar
      Add correct offset for end of chunk · 040d2a87
      Ansgar Burchardt authored 
      Using `&current->chunk_ + x` will add `x * sizeof(current->chunk_)` to
the pointer, but we only want to add `x`.

Adding a much larger number still "works" on 64bit systems (although it
does not perform the intended check). However on 32bit platforms this
wraps (at least in the way used by sllisttest.cc) and the "end" of the
chunk is suddenly before the beginning.

Closes #57
      040d2a87