[Vm-dev] cute, we crash gcc...

Eliot Miranda eliot.miranda at gmail.com
Tue Mar 20 15:27:16 UTC 2018


Hi Tobias, Hi Ryan,

On Tue, Mar 20, 2018 at 6:12 AM, Tobias Pape <Das.Linux at gmx.de> wrote:

>
> On 20.03.2018, at 13:58, Holger Freyther <holger at freyther.de> wrote:
> >
> >
> >
> >
> >> On 20. Mar 2018, at 11:54, Tobias Pape <Das.Linux at gmx.de> wrote:
> >>
> >
> > Hey!
> >
> >
> >> https://travis-ci.org/OpenSmalltalk/opensmalltalk-
> vm/jobs/355802605#L2458
> >
> > indeed! I think it is this bug: https://gcc.gnu.org/bugzilla/
> show_bug.cgi?id=59477. I love how GCC developers add a regression test
> for every issue fixed and they do it for many many years already. And it is
> a codebase that is 30+ years old and started before SSA was "known".
>
> Yes, upgrading GCC fixes this (see https://travis-ci.org/
> OpenSmalltalk/opensmalltalk-vm/builds/355826629 )
>
> But the newspeak-bootstrap now fails.
>
> @Eliot, can you have a look at this?
>         https://travis-ci.org/OpenSmalltalk/opensmalltalk-
> vm/jobs/355826630#L6518
> I actually cannot fathom how a gcc upgrade should influence this, but I'll
> hold whit the Pull Request until you say that its either my fault or
> nothing to be afraid of.
>

Well, if it's a result of my enabling read-only objects (-DIMMUTABILITY=1)
for all Spur VMs then I'll turn it off for the Newspeak builds, but the key
point here is that we should decouple the Newspeak builds from the Pharo
and Squeak builds asap.  Newspeak shouldn't block new releases of what
should be perfectly good VMs.  This is urgent IMO.

_,,,^..^,,,_
best, Eliot
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