Keep OBJECT live through MANGLE-PINNED/WIRED-CONS.
Keep OBJECT live through MANGLE-PINNED/WIRED-CONS.

OBJECT is not used after the call to L-O-A, but still needs to be
kept live until after %%A-V.

rvedam/Mezzano,rvedam/Mezzano,froggey/Mezzano,froggey/Mezzano