re PR tree-optimization/16705 ([testcase] ICE in verify_flow_insensitive_alias_info)

	PR tree-optimization/16705
	* tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
	.GLOBAL_VAR.

From-SVN: r85254

gcc/ChangeLog

+2004-07-28  Diego Novillo  <dnovillo@redhat.com>
+
+	PR tree-optimization/16705
+	* tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
+	.GLOBAL_VAR.
+
 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
 	* expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error

gcc/tree-ssa-alias.c

@@ -2202,7 +2202,7 @@ create_global_var (void)
                            size_type_node);
   DECL_ARTIFICIAL (global_var) = 1;
   TREE_READONLY (global_var) = 0;
-  DECL_EXTERNAL (global_var) = 0;
+  DECL_EXTERNAL (global_var) = 1;
   TREE_STATIC (global_var) = 1;
   TREE_USED (global_var) = 1;
   DECL_CONTEXT (global_var) = NULL_TREE;