From kde-bugs-dist  Mon Apr 30 20:29:01 2018
From: Tom Hughes <bugzilla_noreply () kde ! org>
Date: Mon, 30 Apr 2018 20:29:01 +0000
To: kde-bugs-dist
Subject: [valgrind] [Bug 392855] valgrind reports 1 additional allocation and 1024 additional bytes allocated
Message-Id: <bug-392855-17878-NRmGoUqmu2 () http ! bugs ! kde ! org/>
X-MARC-Message: https://marc.info/?l=kde-bugs-dist&m=152512015229402

https://bugs.kde.org/show_bug.cgi?id=3D392855

Tom Hughes <tom@compton.nu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|---                         |INVALID

--- Comment #4 from Tom Hughes <tom@compton.nu> ---
All that's happened in the second case is that gcc has optimised out the wh=
ole
thing as the nonsense that it is - it just puts 5 straight in the argument
register and passes it to printf. That's what happens when you compile with
optimisation.

So in the first case what you are seeing is your malloc, and in the second =
your
malloc never happens but something else (likely the dynamic linker or C lib=
rary
run time) does do a 1024 byte malloc.

--=20
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