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Re: .bad_compare in bootstrap of head


> > On 05/04/2017 08:31 AM, Jeff Law wrote:
> > >On 05/04/2017 07:26 AM, Дмитрий Дьяченко wrote:
> > >>Fedora 26 x86_64
> > >>r247595
> > >>
> > >>~/src/gcc_current/configure --prefix=/usr/local/gcc_current
> > >>--enable-static --enable-checking=no --enable-languages=c,c++,lto
> > >>--enable-plugin --disable-multilib
> > >And that may be the key, I've been able to get a similar failure.  Could
> > >easy be the checking flags.  I'll do some bisecting here.
> > >jeff
> > 
> > It's Jan's patch from April 30.
> > 
> > commit e062e35c7ff7743aa31868370bf5cb9f8da835dd
> > Author: hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>
> > Date:   Sun Apr 30 15:02:11 2017 +0000
> 
> I wonder how that patch can cause mismatches. Does it reproduce on one of
> compile farm machines (my x86-64 bootstrap works fine so does ia64 on terbium
> after fixing the gcc 4.1 issue yeterday).
> It would be great to have -fdump-ipa-inline-details dumps of the mismatching
> run. Perhaps it will be easy to spot the problem.

Aha, --enable-checking=no. I will check what effect it have.

Honza


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