This is the mail archive of the
mailing list for the GCC project.
Re: bootstrap compare failure in ada/targparm.o on i686-pc-linux-gnu?
- From: Dale Johannesen <dalej at apple dot com>
- To: Alexandre Oliva <aoliva at redhat dot com>
- Cc: gcc at gcc dot gnu dot org, Graham Stott <graham dot stott at btinternet dot com>, Dale Johannesen <dalej at apple dot com>
- Date: Mon, 4 Apr 2005 14:36:51 -0700
- Subject: Re: bootstrap compare failure in ada/targparm.o on i686-pc-linux-gnu?
- References: <firstname.lastname@example.org> <42454D1C.email@example.com> <firstname.lastname@example.org>
On Apr 4, 2005, at 2:32 PM, Alexandre Oliva wrote:
On Mar 26, 2005, Graham Stott <email@example.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
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.