re PR c++/9892 (g++.old-deja/g++.pt/static9.C regression)

	PR c++/9892
	* pt.c (instantiate_decl): Clear DECL_RTL for a VAR_DECL when
	instantiating it.

From-SVN: r63601

gcc/cp/ChangeLog

+2003-02-28    <mark@codesourcery.com>
+
+	PR c++/9892
+	* pt.c (instantiate_decl): Clear DECL_RTL for a VAR_DECL when
+	instantiating it.
+
 2003-02-28  Aldy Hernandez  <aldyh@redhat.com>
 
         * parser.c (cp_parser_init_declarator): Revert opaque

gcc/cp/pt.c

@@ -10825,7 +10825,7 @@ instantiate_decl (d, defer_ok)
   /* Regenerate the declaration in case the template has been modified
      by a subsequent redeclaration.  */
   regenerate_decl_from_template (d, td);
-
+  
   /* We already set the file and line above.  Reset them now in case
      they changed as a result of calling regenerate_decl_from_template.  */
   lineno = DECL_SOURCE_LINE (d);
@@ -10833,6 +10833,10 @@ instantiate_decl (d, defer_ok)
 
   if (TREE_CODE (d) == VAR_DECL)
     {
+      /* Clear out DECL_RTL; whatever was there before may not be right
+	 since we've reset the type of the declaration.  */
+      SET_DECL_RTL (d, NULL_RTX);
+
       DECL_IN_AGGR_P (d) = 0;
       if (DECL_INTERFACE_KNOWN (d))
 	DECL_EXTERNAL (d) = ! DECL_NOT_REALLY_EXTERN (d);