[PATCH 0/3] valgrind bug roundup

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On Thu, Jan 28, 2010 at 09:52:16AM -0500, Jeff King wrote:

> I'm running the whole test suite under valgrind for the current
> 'master'. This was the first hit, but it's very s-l-o-w, so there might
> be more as the day progresses.

And here they are. The first two are actual bugs, the third silences a
false positive:

  [1/3]: fix memcpy of overlapping area
  [2/3]: fix off-by-one allocation error
  [3/3]: add shebang line to git-mergetool--lib.sh

It really has been a while since I've run the whole test suite under
valgrind. The breakage in 3/3 dates back to last April. The bug in 1/3
is also quite old (v1.5.0). I'm not sure why I didn't find it in
previous valgrind runs; perhaps it is only recent valgrinds that have
grown support for finding overlapping memcpy. The bug in 2/3 is new, and
has never been in a released version.

-Peff
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