[Bug tree-optimization/27882] [4.1/4.2 regression] segfault in ipa-inline.c, if (e->callee->local.disregard_inline_limits

["rguenth at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>]

------- Comment #23 from rguenth at gcc dot gnu dot org  2006-07-19 13:31 -------
I have a patch:

Index: ipa-inline.c
===================================================================
--- ipa-inline.c        (revision 115554)
+++ ipa-inline.c        (working copy)
@@ -1133,6 +1133,7 @@ cgraph_early_inlining (void)
   struct cgraph_node **order =
     xcalloc (cgraph_n_nodes, sizeof (struct cgraph_node *));
   int i;
+  htab_t cycles;

   if (sorrycount || errorcount)
     return;
@@ -1142,6 +1143,8 @@ cgraph_early_inlining (void)
 #endif

   nnodes = cgraph_postorder (order);
+  cycles = htab_create (7, htab_hash_pointer, htab_eq_pointer, NULL);
+  cgraph_find_cycles (cgraph_nodes, cycles);
   for (i = nnodes - 1; i >= 0; i--)
     {
       node = order[i];
@@ -1149,10 +1152,13 @@ cgraph_early_inlining (void)
          && (node->needed || node->reachable)
          && node->callers)
        {
-         if (cgraph_decide_inlining_incrementally (node, true))
+         if (cgraph_decide_inlining_incrementally (node, true)
+             /* Avoid collecting if inlining in a cycle.  */
+             && !htab_find (cycles, node))
            ggc_collect ();
        }
     }
+  htab_delete (cycles);
   cgraph_remove_unreachable_nodes (true, dump_file);
 #ifdef ENABLE_CHECKING
   for (node = cgraph_nodes; node; node = node->next)


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27882