Argument alignment patch

[grahams]

Hi

The following extract from the patch to calls.c is obviously bogus and
won't compile. 

graham

 #ifdef ACCUMULATE_OUTGOING_ARGS 	  /* Now mark the segment we just used.  */
@@ -3636,6 +3643,7 @@
   highest_outgoing_arg_in_use = initial_highest_arg_in_use;
   stack_usage_map = initial_stack_usage_map;
 #endif
+  struct args_size alignment_pad; 

   return value;