Integrate:

Integrate:
[ 24875]
Subject: [PATCH] Re: [perl #36048] Refactor S_more_*v into one function
Message-ID: <42ADC8ED.4090009@divsol.com>

Plus fixups - xiv_allocated, xnv_allocated, xpviv_allocated structures,
cast corrections in S_{new,del}_x[in]v, and more_thingy declarations
for the 2 types that no longer use arenas in 5.9 (IVs and RVs)
p4raw-link: @24875 on //depot/perl: 950dc694f02cbe5346df696fa50703abdb7b5684

p4raw-id: //depot/maint-5.8/perl@27144
p4raw-edited: from //depot/perl@24875 'edit in' sv.c (@24871..)