ISBIT1
ASSERT(!ISBIT1(SIZE(np)));
} else if (ISBIT1(ts) &&
if (ISBIT1(ts)) {
SIZE(blk) = frag_size | BIT0 | ISBIT1(SIZE(blk));
SIZE(blk) = frag_size | BIT0 | ISBIT1(SIZE(blk));
ASSERT(!ISBIT1(SIZE(np)));
} else if (ISBIT1(ts)) {
if (ISBIT1(ts)) {