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Postings from July 2016
On Sun, Jul 03, 2016 at 10:28:22PM +0100, Dave Mitchell wrote:
> On Sat, Jul 02, 2016 at 10:08:36PM +1200, Kent Fredric wrote:
> > On 2 July 2016 at 21:37, Andreas Koenig
> > <andreas.koenig.7os6VVqR@franz.ak.mind.de> wrote:
> > > I'd vote for reverting the change and putting it in a branch until
> > > Variable::Magic has got the right medicine.
> >
> >
> > +1: Variable::Magic not being broken very much should be a blocking condition.
>
> Now reverted with v5.25.2-89-gcc040a9
>
> The failing Variable::Magic test can be reduced to:
>
> use Variable::Magic qw<wizard cast>;
>
> my $wiz2 = wizard;
> my $wiz1 = wizard free => sub { warn "recasting\n"; &cast($_[0], $wiz2); die; };
>
> eval {
> my $v = do { my $val = 123; \$val };
> &cast($v, $wiz1);
> };
>
> When $v goes out scope, the free magic method is called, which attached
> new magic then dies. vmg_call_sv catches the error, then croaks.
> The croak calls die_unwind, which now does FREETMPS, which triggers
> another call to the free method, and so it recurses infinitely.
>
> I haven't looked closely to see what is being freed by the FREETMPS and
> why.
Vincent, will you have any opportunity to look at this?
--
If life gives you lemons, you'll probably develop a citric acid allergy.
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