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Re: How to report this bug?
From: |
Paul Pluzhnikov |
Subject: |
Re: How to report this bug? |
Date: |
Fri, 27 Jul 2007 11:02:33 -0700 |
User-agent: |
Gnus/5.1006 (Gnus v5.10.6) XEmacs/21.4 (Jumbo Shrimp, linux) |
Lionel B <me@privacy.net> writes:
> On Fri, 27 Jul 2007 13:58:52 +0000, Ulrich Lauther wrote:
>
>> I have got a very small piece of code that makes my application crash
>> when compiled with optimization:
>
> Careful before you blame the compiler! How can we know whether the crash
> is not, in fact, due to a bug in your [library] code causing undefined
> behaviour, which then only manifests itself when optimisation is turned
> on. That's not unheard of.
Not only is this not unheard of, it is *highly* likely.
Ulrich should first verify that his app is "valgrind clean".
It it is, he should try to create a small test case.
In the process of creating such test, it is likely he'll discover
(one or more) bugs in his app (and/or library).
Cheers,
--
In order to understand recursion you must first understand recursion.
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