re PR lto/48538 (profiled LTO bootstrap failure with Ada)

	PR lto/48538
	* lto-cgraph.c (merge_profile_summaries): Check that lto_file_data
	is non-null before accessing it.
	(input_cgraph): Remove trailing spaces.

From-SVN: r172611

gcc/ChangeLog

+2011-04-17  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR lto/48538
+	* lto-cgraph.c (merge_profile_summaries): Check that lto_file_data
+	is non-null before accessing it.
+	(input_cgraph): Remove trailing spaces.
+
 2011-04-17  Revital Eres  <revital.eres@linaro.org>
 
 	* params.def (sms-min-sc): New param flag.
@@ -69,9 +76,9 @@
 	(estimate_growth): Fix handlig of non-trivial self recursion.
 	(inline_read_summary): Do not read info->disregard_inline_limits.
 	(inline_write_summary): Do not write info->disregard_inline_limits.
-	* tree-inline.c (inline_forbidden_into_p, tree_can_inline_p): Remove and
-	move all checks into can_inline_edge_p predicate; re-enable code comparing
-	optimization levels.
+	* tree-inline.c (inline_forbidden_into_p, tree_can_inline_p): Remove
+	and move all checks into can_inline_edge_p predicate; re-enable code
+	comparing optimization levels.
 	(expand_call_inline): Do not test inline_forbidden_into_p.
 	* Makefile.in (ipa-inline.o): Update arguments.
 

gcc/lto-cgraph.c

@@ -1463,7 +1463,8 @@ merge_profile_summaries (struct lto_file_decl_data **file_data_vec)
      During LTRANS we already have values of count_materialization_scale
      computed, so just update them.  */
   for (node = cgraph_nodes; node; node = node->next)
-    if (node->local.lto_file_data->profile_info.runs)
+    if (node->local.lto_file_data
+	&& node->local.lto_file_data->profile_info.runs)
       {
 	int scale;
 
@@ -1535,8 +1536,8 @@ input_cgraph (void)
       VEC_free (cgraph_node_ptr, heap, nodes);
       VEC_free (varpool_node_ptr, heap, varpool);
     }
+
   merge_profile_summaries (file_data_vec);
-    
 
   /* Clear out the aux field that was used to store enough state to
      tell which nodes should be overwritten.  */