1376   // generated since the 'begin'.  This behaviour fits with the intention that

  1376   // generated since the 'begin'.  This behaviour fits with the intention that

  1377   // node estimates/requests should be made upfront.

  1377   // node estimates/requests should be made upfront.

  1378   bool exceeding_node_budget(uint required = 0) {

  1378   bool exceeding_node_budget(uint required = 0) {

  1379     assert(C->live_nodes() < C->max_node_limit(), "sanity");

  1379     assert(C->live_nodes() < C->max_node_limit(), "sanity");

  1380     uint available = C->max_node_limit() - C->live_nodes();

  1380     uint available = C->max_node_limit() - C->live_nodes();

  1382   }

  1382   }

  1383 

  1383 

  1384   uint require_nodes(uint require, uint minreq = REQUIRE_MIN) {

  1384   uint require_nodes(uint require, uint minreq = REQUIRE_MIN) {

  1385     precond(require > 0);

  1385     precond(require > 0);

  1386     _nodes_required += MAX2(require, minreq);

  1386     _nodes_required += MAX2(require, minreq);