Tim Bunce <Tim(dot)Bunce(at)pobox(dot)com> writes:
> I encountered a core dump running PL/Perl installcheck with a very
> recent git HEAD of PostgreSQL and a not quite so recent git HEAD of perl.
> The cause is a subtle difference between SvTYPE(sv) == SVt_RV and
> SvROK(sv). The former is checking a low-level implementation detail
> while the later is directly checking "does this sv contains a reference".
Hmm. Seems like this patch begs the question: if checking SvTYPE(*svp)
isn't safe, why is it safe to look at SvTYPE(SvRV(*svp))? Shouldn't the
tests against SVt_PVHV be made more abstract as well?
regards, tom lane
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