Fix ia64-linux glibc miscompilation reported by H.J. Lu.

	* alias.c (get_alias_set): Call record_component_aliases for
	COMPLEX_TYPE.
	(record_component_aliases): Handle COMPLEX_TYPE.

From-SVN: r38264

gcc/ChangeLog

+2000-12-14  Jim Wilson  <wilson@redhat.com>
+
+	* alias.c (get_alias_set): Call record_component_aliases for
+	COMPLEX_TYPE.
+	(record_component_aliases): Handle COMPLEX_TYPE.
+	
 2000-12-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* fixinc/gnu-regex.c: Disable NLS.

gcc/alias.c

@@ -448,7 +448,7 @@ get_alias_set (t)
 
   /* If this is an aggregate type, we must record any component aliasing
      information.  */
-  if (AGGREGATE_TYPE_P (t))
+  if (AGGREGATE_TYPE_P (t) || TREE_CODE (t) == COMPLEX_TYPE)
     record_component_aliases (t);
 
   return set;
@@ -555,6 +555,10 @@ record_component_aliases (type)
 	  record_alias_subset (superset, get_alias_set (TREE_TYPE (field)));
       break;
 
+    case COMPLEX_TYPE:
+      record_alias_subset (superset, get_alias_set (TREE_TYPE (type)));
+      break;
+
     default:
       break;
     }