ira-conflicts.c (build_object_conflicts): Add unused attribute to parent_max.

2011-03-29  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-conflicts.c (build_object_conflicts): Add unused attribute
	to parent_max.

From-SVN: r171683

gcc/ChangeLog

+2011-03-29  Vladimir Makarov  <vmakarov@redhat.com>
+
+	* ira-conflicts.c (build_object_conflicts): Add unused attribute
+	to parent_max.
+
 2011-03-29  Uros Bizjak  <ubizjak@gmail.com>
 
 	* config/alpha/alpha.c (alpha_sr_alias_set): Don't define.

gcc/ira-conflicts.c

@@ -612,7 +612,7 @@ build_object_conflicts (ira_object_t obj)
   ira_allocno_t a = OBJECT_ALLOCNO (obj);
   IRA_INT_TYPE *object_conflicts;
   minmax_set_iterator asi;
-  int parent_min, parent_max;
+  int parent_min, parent_max ATTRIBUTE_UNUSED;
 
   object_conflicts = conflicts[OBJECT_CONFLICT_ID (obj)];
   px = 0;