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Re: We should backport gcc 4.4 regression testcases to gcc 4.3 branch
- From: Richard Guenther <richard dot guenther at gmail dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Date: Sun, 18 Jan 2009 22:51:37 +0100
- Subject: Re: We should backport gcc 4.4 regression testcases to gcc 4.3 branch
- References: <6dc9ffc80901181335m1c0aaff7p346b29d36150d933@mail.gmail.com>
On Sun, Jan 18, 2009 at 10:35 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> Hi,
>
> This 4.3 regression:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38905
>
> is caused by a backport, which also introduced a 4.3
> regression:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36765
It uncovered a latent problem. Of course doing that still makes
it a regression.
> Since we didn't backport testcases to 4.3 branch, we
> didn't notice 4.3 regression when the packport was
> applied to 4.3 branch. If we will backport bug fixes
> to 4.3 branch, shouldn't we always backport testcases
> for all 4.4 regressions?
This would be probably a good idea, but it is extra work and
may cause extra testsuite FAILs between releases that are
not regressions (simply because only the testcase is new).
Richard.