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Re: Radical proposal: skip 3.4
- From: Jan Hubicka <hubicka at ucw dot cz>
- To: Nathanael Nerode <neroden at twcny dot rr dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Sat, 10 Jan 2004 12:31:16 +0100
- Subject: Re: Radical proposal: skip 3.4
- References: <3FFF54E5.email@example.com>
> So, stage 3 is taking too long. But it's not reasonable to release 3.4
> with this number of regressions, as nobody will use it.
> So let's just skip 3.4. Fix as many regressions in 3.3.3 as is
> reasonable and release it. Meanwhile, start stage 1 of 3.5, merging in
> only apparently regression-free patches. Hopefully some of the
> unsuitable-for-stage-3 patches will fix the remaining 3.4 regressions as
> an incidental matter.
> OK, so this is an absurd proposal, and I don't even really support it
> actually, but it's food for thought.
> Now for a more serious analysis.
> Currently we have 132 bugs targeted for 3.4.0:
> ada: 2
> bootstrap: 8
> c: 9
> c++: 31
> debug: 9
> driver: 3
> fortran: 2
> java: 5
> libgcj: 5
> libobjc: 1
> libstdc++: 8
> middle-end: 1
> optimization: 21
> other: 4
> pch: 1
> preprocessor: 3
> target: 19
> More disturbingly, 33 of these are wrong-code bugs. I really don't like
> releasing with wrong-code bugs.
There are only 38 bugs marked as critical, I plan to iterate over them
this week. Last two weeks I was fixing bugs assigned dirrectly to me
and fixed about 5 or 6 of them with not very concentrated effort.
Assume that it is realistic to fix 10 bugs per week, so 4 developers
together can do it. (well, this is probably little bit optimistic, but
I really don't think merge of tree-SSA will make situation magically
better. It won't reduce number of bugs and Tree-SSA is kind of starting
point for all the cool stuff, so it won't make us to concentrate on
release because there is nothing cool to do.
I also think that GCC 3.4 is important especially if we take into
account possible delays and usability problems with GCC 3.5 having even
more radical changes than 3.4 has.