[Bug middle-end/47344] [4.6/4.7/4.8 Regression][meta-bug] GCC gets slower and uses more memory

rguenther at suse dot de gcc-bugzilla@gcc.gnu.org
Wed Mar 6 10:57:00 GMT 2013


--- Comment #8 from rguenther at suse dot de <rguenther at suse dot de> 2013-03-06 10:57:15 UTC ---
On Wed, 6 Mar 2013, steven at gcc dot gnu.org wrote:

> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47344
> --- Comment #7 from Steven Bosscher <steven at gcc dot gnu.org> 2013-03-06 10:51:27 UTC ---
> This bug looks like the wrong idea to me. Old is apparently anything
> older than the maintained release branches, but many users "in the field"
> still use older compilers that come with their respective distributions.
> For instance a regresion that is present since GCC 4.6 but not in GCC 4.5
> gets reduced in importance and visibility by not marking it as regression
> and instead only adding it to this grab-a-bag PR. Example of such a case
> is bug 53958.
> This is a change of old existing policy that any regression should be
> marked as such. This policy change should have been discussed (and IMHO
> rejected) on the GCC mailing list.
> Also, this meta-bug depends on not-so-old regressions, so it's already
> more like a collection of compile/memory hog issues than a collection
> point for apparently "unimportant" regressions.

All these regressions clutter the list of important regressions.
All of them are present in more or less severe form in all maintained

There is a similar issue for missed-optimization regressions that
are long-standing.

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