225   if (addr >= _space->top()) return _space->top();

   225   if (addr >= _space->top()) return _space->top();

   226   while (next_boundary < addr) {

   226   while (next_boundary < addr) {

   227     while (n <= next_boundary) {

   227     while (n <= next_boundary) {

   228       q = n;

   228       q = n;

   229       oop obj = oop(q);

   229       oop obj = oop(q);

   231       n += block_size(q);

   231       n += block_size(q);

   232     }

   232     }

   233     assert(q <= next_boundary && n > next_boundary, "Consequence of loop");

   233     assert(q <= next_boundary && n > next_boundary, "Consequence of loop");

   234     // [q, n) is the block that crosses the boundary.

   234     // [q, n) is the block that crosses the boundary.

   235     alloc_block_work(&next_boundary, &next_index, q, n);

   235     alloc_block_work(&next_boundary, &next_index, q, n);