Hello Julian,

>[... mucho discussion ...]
>
>I'm now comprehensively confused.  Is there any bug/failure in
>Memcheck resulting from this, that needs to be looked at?

I suggest to look at two "fixes/improvements":
  1. integrate the patch  https://bugs.kde.org/show_bug.cgi?id=250101
     (I just tried a 3.7.0 SVN with this (updated) patch, and
      the program of Bob Harris works now perfectly till the end,
      without leaks/without out of memory).

  2. add a new kind of error in memcheck: "failed (re-)allocation".
     It is quite frequent to see code which forgets to check the
     return of malloc/realloc. Memcheck can then at least detect
     and report specifically when it has really failed.
     Now, a failed client (re-)alloc is invisible, and makes a lot of
     people lose a lot of time to re-discover the problem.


(and of course, I am still working hard to integrate the gdbserver patch
:).
I have done the port on ARM, PPC32 and PPC64 last week-end.
ARM tests are ok. Hoping to have all the tests working on PPC this
week-end.
(problems are not bugs which appears, but rather that the tests are
extremely
difficult to make "insensitive" to the gdb/the libc/the specific OS/...)

Philippe

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