Yep, that's still the case. SvGROW checks xpv_len, which'll be some bizarre value if the SV's just an IV or NV. Undef might well give it fits too, at least so reads the 5.8.0 sources.

In reply to Re: Re: Re: Perl XS: garbage-collecting my malloc'd buffer by Elian
in thread Perl XS: garbage-collecting my malloc'd buffer by edan

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