pt.c (lookup_template_class): Don't mess with the context of the instantiation.

	* pt.c (lookup_template_class): Don't mess with the context of the
	instantiation.
	* decl2.c (current_decl_namespace): Remove special handling for
	templates.

From-SVN: r21265

gcc/cp/ChangeLog

 1998-07-17  Jason Merrill  <jason@yorick.cygnus.com>
 
+	* pt.c (lookup_template_class): Don't mess with the context of the
+	instantiation.
+	* decl2.c (current_decl_namespace): Remove special handling for
+	templates.
+
 	* pt.c (tsubst, case FUNCTION_DECL): Fix getting complete args for
 	a member template specialization.
 

gcc/cp/decl2.c

@@ -4136,14 +4136,8 @@ current_decl_namespace ()
     return TREE_PURPOSE (decl_namespace_list);
 
   if (current_class_type)
-    if (CLASSTYPE_USE_TEMPLATE (current_class_type))
-      result = decl_namespace (CLASSTYPE_TI_TEMPLATE (current_class_type));
-    else
     result = decl_namespace (TYPE_STUB_DECL (current_class_type));
   else if (current_function_decl)
-    if (DECL_USE_TEMPLATE (current_function_decl))
-      result = decl_namespace (DECL_TI_TEMPLATE (current_function_decl));
-    else
     result = decl_namespace (current_function_decl);
   else 
     result = current_namespace;

gcc/cp/pt.c

@@ -2985,7 +2985,7 @@ lookup_template_class (d1, arglist, in_decl, context)
 {
   tree template = NULL_TREE, parmlist;
   char *mangled_name;
-  tree id, t, id_context;
+  tree id, t;
 
   if (TREE_CODE (d1) == IDENTIFIER_NODE)
     {
@@ -3030,12 +3030,6 @@ lookup_template_class (d1, arglist, in_decl, context)
   else
     my_friendly_abort (272);
 
-  /* A namespace is used as context only for mangling.
-     Template IDs with namespace context are found 
-     in the global binding level.  */
-  if (context != NULL_TREE && TREE_CODE (context) == NAMESPACE_DECL)
-    context = global_namespace;
-
   /* With something like `template <class T> class X class X { ... };'
      we could end up with D1 having nothing but an IDENTIFIER_LOCAL_VALUE.
      We don't want to do that, but we have to deal with the situation, so
@@ -3043,15 +3037,8 @@ lookup_template_class (d1, arglist, in_decl, context)
   if (! template)
     return error_mark_node;
 
-  /* We need an id_context to get the mangling right. If this is a
-     nested template, use the context. If it is global, retrieve the
-     context from the template.  */
-  if (context && TREE_CODE (context) != NAMESPACE_DECL)
-    id_context = context;
-  else
-    id_context = DECL_CONTEXT (template);
-  if (id_context == NULL_TREE)
-    id_context = global_namespace;
+  if (context == NULL_TREE)
+    context = global_namespace;
 
   if (TREE_CODE (template) != TEMPLATE_DECL)
     {
@@ -3154,7 +3141,7 @@ lookup_template_class (d1, arglist, in_decl, context)
       mangled_name = mangle_class_name_for_template (IDENTIFIER_POINTER (d1),
 						     parmlist,
 						     arglist_for_mangling,
-						     id_context);
+						     context);
       id = get_identifier (mangled_name);
       IDENTIFIER_TEMPLATE (id) = d1;