On Apr 4, 2005, Dale Johannesen <[EMAIL PROTECTED]> wrote: > On Apr 4, 2005, at 2:32 PM, Alexandre Oliva wrote: >> On Mar 26, 2005, Graham Stott <[EMAIL PROTECTED]> 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. Perhaps. But the fundamental problem is that we shouldn't be hashing on pointers, and tree-eh.c does just that for finally_tree and throw_stmt_table. -- Alexandre Oliva http://www.ic.unicamp.br/~oliva/ Red Hat Compiler Engineer [EMAIL PROTECTED], gcc.gnu.org} Free Software Evangelist [EMAIL PROTECTED], gnu.org}
