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From: Ludovic Brenta <ludovic@ludovic-brenta.org>
Newsgroups: comp.lang.ada
Subject: Re: Reporting bugs in GNAT
Date: Tue, 24 Aug 2010 00:02:51 +0200
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"Yannick Duchêne (Hibou57)" <yannick_duchene@yahoo.fr> writes:
> Le Mon, 23 Aug 2010 22:25:01 +0200, Ludovic Brenta
> <ludovic@ludovic-brenta.org> a écrit:
>> I've done that in the past myself, resulting in a
>> quick fix after that; see http://gcc.gnu.org/PR29015 to see one example.
> Submited 2008-04-09, fixed 2008-04-16. Not more than a week.
>
>
> As you are there: do you know the limit number of lines for a bug
> reproducer (my main matter actually) ?

There is no such limit.  But if the bug trigger is buried in 10_000
lines, nobody will have the energy to hunt it down.  In my experience,
all reproducers can be narrowed down to 100 lines or less.

> And is it OK to have mixed language like Ada and a bit of C ?

I don't think so, unless the bug is specifically about interfacing Ada
with C.  In most cases, I'd think that a "bit of C" would get in the way
rather than help.

> And is it OK to submit a gnatchop file the same as AdaCore seems to
> requires ? (I feel to remember I read it somewhere)

I don't think this is a hard requirement either.  A gnatchop file may
make it a little easier for people to compile your test case but you can
also submit separate files as attachments.

-- 
Ludovic Brenta.