Re: bootstrap compare failure in ada/targparm.o on i686-pc-linux-gnu?

[Dale Johannesen <dalej at apple dot com>]

On Apr 4, 2005, at 2:32 PM, Alexandre Oliva wrote:
> On Mar 26, 2005, Graham Stott <graham.stott@btinternet.com> wrote:
> > I do regular bootstraps of mainline all languages on FC3
> > i686-pc-linuux-gnu and haven't seen any problemss upto Friday. I'm
> > using --enable-checking=tree,misc,rtl,rtlflag which might make a
> > difference.
>
> I'm still observing this problem every now and then.  It's not
> consistent or easily reproducible, unfortunately.  I suspect we're
> using pointers somewhere, and that stack/mmap/whatever address
> randomization is causing different results.  I'm looking into it.

I've found 2 bugs over the last 6 months where the problem is exposed
only if two pointers happen to hash to the same bucket.  It's occurred
to me that doing a bootstrap with all hashtable sizes set to 1 might be
a good idea.