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Postings from April 2018
On Mon, Jan 01, 2018 at 03:24:18PM +0000, Zefram wrote:
> This problem isn't actually with Algorithm-QuineMcCluskey, but with
> List-MoreUtils-XS. It's another GvSV refcounting bug in List-MoreUtils-XS
> that is being uncovered by having fixed pp_sort. We previously saw a
> similar failure in List-MoreUtils-XS's own test suite, [perl #132578].
> A new version of List-MoreUtils-XS has been released which doesn't fail
> in its own test suite, but still has GvSV refcounting bugs. The one
> hitting Algorithm-QuineMcCluskey is with pairwise():
>
> $ perl -MDevel::Peek=Dump -MList::MoreUtils::XS=pairwise -lwe 'pairwise { } @{["0"]}, @{["0"]}; Dump $a; Dump $b'
> SV = UNKNOWN(0xff) (0xfecab0) at 0xfc9128
> REFCNT = 0
> FLAGS = ()
> SV = UNKNOWN(0xff) (0xfecb88) at 0xfecac8
> REFCNT = 0
> FLAGS = ()
>
> This bug falls within the scope of [rt.cpan.org #123868] that I opened
> in response to [perl #132578]. I'll add a comment to it about this
> particular problem.
(this was followed up with
https://rt.cpan.org/Public/Bug/Display.html?id=123989
)
Since its been confirmed that its bugs in List-MoreUtils-XS,
I propose that this perl ticket is removed from the 5.28 blockers list.
--
You never really learn to swear until you learn to drive.
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