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[perl #132328] [SEGV][REGRESSION] DBIish tests are failingspectacularly (JIT compilation of native calls)

From:
Aleks-Daniel Jakimenko-Aleksejev via RT
Date:
February 4, 2018 10:35
Subject:
[perl #132328] [SEGV][REGRESSION] DBIish tests are failingspectacularly (JIT compilation of native calls)
Message ID:
rt-4.0.24-25182-1517740497-1403.132328-80-0@perl.org
Honestly, I have no idea how to test this… maybe someone should attempt to golf
it, but given that the commit description is “JIT compile native calls”, I
guess it'd be a bit complicated.

… I'm fine with just delegating it to the DBIish test suite…

On 2017-10-20 08:12:41, alex.jakimenko@gmail.com wrote:
> Offending commit reverted in
>
https://github.com/MoarVM/MoarVM/commit/1a9be0ad487bc6e2d21df54c6a12892e3f9c8259
>
> I tested it with moar HEAD and indeed the issue is no longer there. So
> it
> should work fine after moar and nqp bumps.
>
> 「testneeded」 ?
>
> On 2017-10-20 07:53:23, alex.jakimenko@gmail.com wrote:
> > Moar bisected to
> >
>
https://github.com/MoarVM/MoarVM/commit/4eadf94599cc021ec7a9e0e49e198f5861468dc1
> >
> > On 2017-10-20 07:23:04, alex.jakimenko@gmail.com wrote:
> > > DBIish tests started to fail (with segv) after this rakudo commit:
> > >
> >
>
https://github.com/rakudo/rakudo/commit/ff063e7b53ab41b79279ffc38e1740d3db2eae7d
> > >
> > > The bump itself brought these MoarVM changes:
> > > https://github.com/MoarVM/MoarVM/compare/2017.09.1-602-
> > > g676723d...2017.09.1-608-ge051ee3
> > >
> > >
> > > Committable output before and after:
> > > command: commit: ff063e7b53^,ff063e7b53
> > >
> >
>
https://gist.githubusercontent.com/AlexDaniel/13a57dbb993d624c877befc137c33ee6/raw/a575bf2e04e24ced60b35665a4ec5a3324369c47/dbiish.p6
> > > output: https://gist.github.com/e25c6a14d6078e99f6bb46de494565b1
> > >
> > > Not surprisingly there's no crash with MVM_JIT_DISABLE:
> > > command: commit: MVM_JIT_DISABLE=1 ff063e7b53^,ff063e7b53
> > >
> >
>
https://gist.githubusercontent.com/AlexDaniel/13a57dbb993d624c877befc137c33ee6/raw/a575bf2e04e24ced60b35665a4ec5a3324369c47/dbiish.p6
> > > output: https://gist.github.com/24319e448313c13c16d8b67d7961accb




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