From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Joe Conway <mail(at)joeconway(dot)com> |
Cc: | Tim Bunce <Tim(dot)Bunce(at)pobox(dot)com>, "Hackers (PostgreSQL)" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: plperl compiler warning |
Date: | 2010-01-28 17:49:20 |
Message-ID: | 17950.1264700960@sss.pgh.pa.us |
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Joe Conway <mail(at)joeconway(dot)com> writes:
> I pull directly from CVS, not git, but in any case my line 1117 is
> subref = newRV_inc((SV*)GvCVu((GV*)sub_glob));
> so it appears to be the same
>> What perl version are you using?
>> What compiler version are you using?
> I'm on stock Fedora 12:
I see the same on Fedora 11. The -E expansion of the line in question is
subref = Perl_newRV(((PerlInterpreter *)pthread_getspecific((*Perl_Gthr_key_ptr(((void *)0))))), (SV*)((((GV*)sub_glob)->sv_u.svu_gp)->gp_cvgen ? ((void *)0) : (((GV*)sub_glob)->sv_u.svu_gp)->gp_cv));
so it's evidently unhappy about the fact that GvCVu can return null,
while Perl_newRV is declared __attribute__((nonnull(2))).
It looks to me like this is probably a live bug not just compiler
hypersensitivity.
regards, tom lane
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