- for (t = FREE_SSANAMES (cfun); t; t = next)
- {
- next = TREE_CHAIN (t);
- /* Dangling pointers might make GGC to still see dead SSA names, so it is
- important to unlink the list and avoid GGC from seeing all subsequent
- SSA names. In longer run we want to have all dangling pointers here
- removed (since they usually go trhough dead statements that consume
- considerable amounts of memory). */
- TREE_CHAIN (t) = NULL_TREE;
- n++;
- }