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Postings from May 2015
> The arg passed to lc in the first() code block above is
>
> SV = PV(0xa8ac28) at 0xaaa2d0
> REFCNT = 1
> FLAGS = (TEMP,POK,IsCOW,pPOK)
> PV = 0xaa3c78 "ZXC"
> CUR = 3
> LEN = 0
>
> which satisfies the 'in-place' test of
>
> if ( ( SvPADTMP(source)
> || ( SvTEMP(source) && !SvSMAGICAL(source)
> && SvREFCNT(source) == 1 )
> )
> && !SvREADONLY(source) && SvPOK(source)
> && !DO_UTF8(source)) {
>
> So I don' think that condition is strong enough, and I'm not sure that
> that there is such a safe condition.
>
I think that this condition ought to be checked only when lc() is
executed in (static) void context. Otherwise, its behaviour becomes
quite unpredictable.
Vincent
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