PR ipa/59473 (ICE in get_class_context)

[Jan Hubicka]

Hi,
the problem here is that we ICE on an assert that crept in from earliler
stages of development where I wondered if we can hit this somewhat odd 
situation.
Fixed thus.

Honza

Index: ChangeLog
===================================================================
--- ChangeLog   (revision 206011)
+++ ChangeLog   (working copy)
@@ -1,3 +1,9 @@
+2013-12-14   Jan Hubicka  <j...@suse.cz>
+
+       PR ipa/59473
+       * ipa-devirt.c (get_class_context): Do not ICE when type is found
+       at wrong offset.
+
 2013-12-16  Jakub Jelinek  <ja...@redhat.com>
 
        PR libgomp/58756
Index: ipa-devirt.c
===================================================================
--- ipa-devirt.c        (revision 205992)
+++ ipa-devirt.c        (working copy)
@@ -848,6 +848,10 @@ get_class_context (ipa_polymorphic_call_
       if (TREE_CODE (type) == TREE_CODE (expected_type)
          && types_same_for_odr (type, expected_type))
        {
+         /* Type can not contain itself on an non-zero offset.  In that case
+            just give up.  */
+         if (offset != 0)
+           goto give_up;
-         gcc_assert (offset == 0);
          return true;
        }