[Bug ipa/85421] [8 regression] internal compiler error: in ipa_propagate_frequency, at ipa-profile.c:405

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85421

Martin Jambor <jamborm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |marxin at gcc dot gnu.org
          Component|c++                         |ipa
           Assignee|unassigned at gcc dot gnu.org      |jamborm at gcc dot gnu.org

--- Comment #3 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Mine.  Fixed by the following:

diff --git a/gcc/ipa-cp.c b/gcc/ipa-cp.c
index b2627ffd05f..4e0e20af409 100644
--- a/gcc/ipa-cp.c
+++ b/gcc/ipa-cp.c
@@ -3863,6 +3863,7 @@ create_specialized_node (struct cgraph_node *node,
   new_node = node->create_virtual_clone (callers, replace_trees,
                                         args_to_skip, "constprop");

+  bool have_self_recursive_calls = !self_recursive_calls.is_empty ();
   for (unsigned j = 0; j < self_recursive_calls.length (); j++)
     {
       cgraph_edge *cs = next_edge_clone[self_recursive_calls[j]->uid];
@@ -3870,6 +3871,8 @@ create_specialized_node (struct cgraph_node *node,
       gcc_assert (cs->caller == new_node);
       cs->redirect_callee_duplicating_thunks (new_node);
     }
+  if (have_self_recursive_calls)
+    new_node->expand_all_artificial_thunks ();

   ipa_set_node_agg_value_chain (new_node, aggvals);
   for (av = aggvals; av; av = av->next)