Yes, exactly. A segfault from Perl means a bug in Perl
(unless you did something nasty with the "p"/"P" formats
of unpack) or a bug in an XS module.
The "correct" behavior for the above code is to undef @h
but not to free the elements previously stored in @h until
they are no longer on the stack. Pushing the elements
onto the stacks should increment the reference count of
the elements and "mortalize" them (such that the reference
counts are decremented at the next sync point which will
be after that part of the stack has been discarded).
This should be reported to p5p (though checking the bug
database first would be polite). I'll be interested to
see the disection of it. It may be an intentional "hole"
for the sake of speed, but at this point I doubt it.
(but my friends call me "Tye")
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