OUT_OF_PLACE
cfg->inplace_mode = OUT_OF_PLACE;
if (cfg->inplace_mode == OUT_OF_PLACE && prandom_bool(rng)) {
enc || cfg->inplace_mode == OUT_OF_PLACE);
.inplace_mode = OUT_OF_PLACE,
.inplace_mode = OUT_OF_PLACE,
cfg->inplace_mode != OUT_OF_PLACE ?