Index: gimple-fold.c
===================================================================
--- gimple-fold.c	(revision 161847)
+++ gimple-fold.c	(working copy)
@@ -1351,6 +1351,7 @@ gimple_fold_obj_type_ref_known_binfo (HO
 {
   HOST_WIDE_INT i;
   tree v, fndecl;
+  struct cgraph_node *node;
 
   v = BINFO_VIRTUALS (known_binfo);
   i = 0;
@@ -1362,6 +1363,14 @@ gimple_fold_obj_type_ref_known_binfo (HO
     }
 
   fndecl = TREE_VALUE (v);
+  node = cgraph_get_node (fndecl);
+  /* When cgraph node is missing and function is public, we can not
+     devirtualize.  This can happen in WHOPR when the actual method
+     ends up in other partition, because we found devirtualization
+     possibility too late.  */
+  if ((!node || !node->analyzed)
+      && (!TREE_PUBLIC (fndecl) || DECL_COMDAT (fndecl)))
+    return NULL;
   return build_fold_addr_expr (fndecl);
 }