function.c (get_arg_pointer_save_area): Set arg_pointer_save_area_init to true.

	* function.c (get_arg_pointer_save_area): Set
	arg_pointer_save_area_init to true.

From-SVN: r164307

gcc/ChangeLog

+2010-09-15  Ian Lance Taylor  <iant@google.com>
+
+	* function.c (get_arg_pointer_save_area): Set
+	arg_pointer_save_area_init to true.
+
 2010-09-15  Martin Jambor  <mjambor@suse.cz>
 
 	* tree-sra.c (generate_subtree_copies): Updated comment.

gcc/function.c

@@ -5103,6 +5103,8 @@ get_arg_pointer_save_area (void)
       push_topmost_sequence ();
       emit_insn_after (seq, entry_of_function ());
       pop_topmost_sequence ();
+
+      crtl->arg_pointer_save_area_init = true;
     }
 
   return ret;