* cp-tree.h (struct lang_decl): Overhaul.

	(struct lang_decl_flags): Remove.
	(struct lang_decl_base): New.
	(struct lang_decl_min): New.
	(struct lang_decl_fn): New.
	(struct lang_decl_ns): New.
	(CAN_HAVE_FULL_LANG_DECL_P): Replace with LANG_DECL_HAS_MIN.
	(LANG_DECL_MIN_CHECK): New.
	(LANG_DECL_FN_CHECK): New.
	(LANG_DECL_NS_CHECK): New.
	(STRIP_TEMPLATE): New.
	(NON_THUNK_FUNCTION_CHECK): Remove.
	(DECL_DECLARES_FUNCTION_P): New.
	(lots): Adjust.
	* lex.c (retrofit_lang_decl, cxx_dup_lang_specific_decl): Adjust.
	* decl.c (push_local_name, duplicate_decls): Adjust.
	* decl2.c (start_objects): Don't set u2sel.
	* semantics.c (finish_omp_threadprivate): Adjust.
	* class.c (build_clone): Don't do much on TEMPLATE_DECLs.
	(decl_cloned_function_p): Out-of-line implementation of macros.
	(clone_function_decl, adjust_clone_args): Use DECL_CLONED_FUNCTION_P.
	* mangle.c (write_unqualified_name): Don't check function flags
	on non-functions.
	* method.c (make_alias_for): Don't set DECL_CLONED_FUNCTION.
	* pt.c (build_template_decl): Don't set function flags.
	(check_default_tmpl_args): Check that it's a function.
	(instantiate_template): Use DECL_ABSTRACT_ORIGIN to find the
	cloned template.

	* pt.c (tsubst_decl) [FUNCTION_DECL]: Don't tsubst
	DECL_CLONED_FUNCTION.

	* cp-tree.h (struct lang_type_class): Move sorted_fields here.
	* class.c (finish_struct_1): Adjust.
	* ptree.c (cxx_print_decl, cxx_print_type): Adjust.
	* search.c (lookup_field_1): Adjust.

	* cp-tree.h (CLASSTYPE_INLINE_FRIENDS): Remove.
	* decl.c (finish_method): Don't add to it.
	* class.c (fixup_pending_inline): Remove.
	(fixup_inline_methods): Remove.
	(finish_struct_1): Don't call it.

	* error.c (dump_function_name): Handle null name.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@149217 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/cp/ChangeLog

+2009-07-03  Jason Merrill  <jason@redhat.com>
+
+	* cp-tree.h (struct lang_decl): Overhaul.
+	(struct lang_decl_flags): Remove.
+	(struct lang_decl_base): New.
+	(struct lang_decl_min): New.
+	(struct lang_decl_fn): New.
+	(struct lang_decl_ns): New.
+	(CAN_HAVE_FULL_LANG_DECL_P): Replace with LANG_DECL_HAS_MIN.
+	(LANG_DECL_MIN_CHECK): New.
+	(LANG_DECL_FN_CHECK): New.
+	(LANG_DECL_NS_CHECK): New.
+	(STRIP_TEMPLATE): New.
+	(NON_THUNK_FUNCTION_CHECK): Remove.
+	(DECL_DECLARES_FUNCTION_P): New.
+	(lots): Adjust.
+	* lex.c (retrofit_lang_decl, cxx_dup_lang_specific_decl): Adjust.
+	* decl.c (push_local_name, duplicate_decls): Adjust.
+	* decl2.c (start_objects): Don't set u2sel.
+	* semantics.c (finish_omp_threadprivate): Adjust.
+	* class.c (build_clone): Don't do much on TEMPLATE_DECLs.
+	(decl_cloned_function_p): Out-of-line implementation of macros.
+	(clone_function_decl, adjust_clone_args): Use DECL_CLONED_FUNCTION_P.
+	* mangle.c (write_unqualified_name): Don't check function flags
+	on non-functions.
+	* method.c (make_alias_for): Don't set DECL_CLONED_FUNCTION.
+	* pt.c (build_template_decl): Don't set function flags.
+	(check_default_tmpl_args): Check that it's a function.
+	(instantiate_template): Use DECL_ABSTRACT_ORIGIN to find the
+	cloned template.
+
+	* pt.c (tsubst_decl) [FUNCTION_DECL]: Don't tsubst
+	DECL_CLONED_FUNCTION.
+
+	* cp-tree.h (struct lang_type_class): Move sorted_fields here.
+	* class.c (finish_struct_1): Adjust.
+	* ptree.c (cxx_print_decl, cxx_print_type): Adjust.
+	* search.c (lookup_field_1): Adjust.
+
+	* cp-tree.h (CLASSTYPE_INLINE_FRIENDS): Remove.
+	* decl.c (finish_method): Don't add to it.
+	* class.c (fixup_pending_inline): Remove.
+	(fixup_inline_methods): Remove.
+	(finish_struct_1): Don't call it.
+
+	* error.c (dump_function_name): Handle null name.
+
 2009-07-02  Mark Mitchell  <mark@codesourcery.com>
 
 	* typeck.c (cp_build_binary_op): Move warnings about use of NULL

gcc/cp/class.c

@@ -151,8 +151,6 @@ static void check_bases_and_members (tree);
 static tree create_vtable_ptr (tree, tree *);
 static void include_empty_classes (record_layout_info);
 static void layout_class_type (tree, tree *);
-static void fixup_pending_inline (tree);
-static void fixup_inline_methods (tree);
 static void propagate_binfo_offsets (tree, tree);
 static void layout_virtual_bases (record_layout_info, splay_tree);
 static void build_vbase_offset_vtbl_entries (tree, vtbl_init_data *);
@@ -3799,12 +3797,27 @@ build_clone (tree fn, tree name)
 
   /* Copy the function.  */
   clone = copy_decl (fn);
-  /* Remember where this function came from.  */
-  DECL_CLONED_FUNCTION (clone) = fn;
-  DECL_ABSTRACT_ORIGIN (clone) = fn;
   /* Reset the function name.  */
   DECL_NAME (clone) = name;
   SET_DECL_ASSEMBLER_NAME (clone, NULL_TREE);
+  /* Remember where this function came from.  */
+  DECL_ABSTRACT_ORIGIN (clone) = fn;
+  /* Make it easy to find the CLONE given the FN.  */
+  TREE_CHAIN (clone) = TREE_CHAIN (fn);
+  TREE_CHAIN (fn) = clone;
+
+  /* If this is a template, do the rest on the DECL_TEMPLATE_RESULT.  */
+  if (TREE_CODE (clone) == TEMPLATE_DECL)
+    {
+      tree result = build_clone (DECL_TEMPLATE_RESULT (clone), name);
+      DECL_TEMPLATE_RESULT (clone) = result;
+      DECL_TEMPLATE_INFO (result) = copy_node (DECL_TEMPLATE_INFO (result));
+      DECL_TI_TEMPLATE (result) = clone;
+      TREE_TYPE (clone) = TREE_TYPE (result);
+      return clone;
+    }
+
+  DECL_CLONED_FUNCTION (clone) = fn;
   /* There's no pending inline data for this function.  */
   DECL_PENDING_INLINE_INFO (clone) = NULL;
   DECL_PENDING_INLINE_P (clone) = 0;
@@ -3852,61 +3865,79 @@ build_clone (tree fn, tree name)
 					   TYPE_ATTRIBUTES (TREE_TYPE (fn)));
     }
 
-  /* Copy the function parameters.  But, DECL_ARGUMENTS on a TEMPLATE_DECL
-     aren't function parameters; those are the template parameters.  */
-  if (TREE_CODE (clone) != TEMPLATE_DECL)
+  /* Copy the function parameters.  */
+  DECL_ARGUMENTS (clone) = copy_list (DECL_ARGUMENTS (clone));
+  /* Remove the in-charge parameter.  */
+  if (DECL_HAS_IN_CHARGE_PARM_P (clone))
+    {
+      TREE_CHAIN (DECL_ARGUMENTS (clone))
+	= TREE_CHAIN (TREE_CHAIN (DECL_ARGUMENTS (clone)));
+      DECL_HAS_IN_CHARGE_PARM_P (clone) = 0;
+    }
+  /* And the VTT parm, in a complete [cd]tor.  */
+  if (DECL_HAS_VTT_PARM_P (fn))
     {
-      DECL_ARGUMENTS (clone) = copy_list (DECL_ARGUMENTS (clone));
-      /* Remove the in-charge parameter.  */
-      if (DECL_HAS_IN_CHARGE_PARM_P (clone))
+      if (DECL_NEEDS_VTT_PARM_P (clone))
+	DECL_HAS_VTT_PARM_P (clone) = 1;
+      else
 	{
 	  TREE_CHAIN (DECL_ARGUMENTS (clone))
 	    = TREE_CHAIN (TREE_CHAIN (DECL_ARGUMENTS (clone)));
-	  DECL_HAS_IN_CHARGE_PARM_P (clone) = 0;
-	}
-      /* And the VTT parm, in a complete [cd]tor.  */
-      if (DECL_HAS_VTT_PARM_P (fn))
-	{
-	  if (DECL_NEEDS_VTT_PARM_P (clone))
-	    DECL_HAS_VTT_PARM_P (clone) = 1;
-	  else
-	    {
-	      TREE_CHAIN (DECL_ARGUMENTS (clone))
-		= TREE_CHAIN (TREE_CHAIN (DECL_ARGUMENTS (clone)));
-	      DECL_HAS_VTT_PARM_P (clone) = 0;
-	    }
+	  DECL_HAS_VTT_PARM_P (clone) = 0;
 	}
+    }
 
-      for (parms = DECL_ARGUMENTS (clone); parms; parms = TREE_CHAIN (parms))
-	{
-	  DECL_CONTEXT (parms) = clone;
-	  cxx_dup_lang_specific_decl (parms);
-	}
+  for (parms = DECL_ARGUMENTS (clone); parms; parms = TREE_CHAIN (parms))
+    {
+      DECL_CONTEXT (parms) = clone;
+      cxx_dup_lang_specific_decl (parms);
     }
 
   /* Create the RTL for this function.  */
   SET_DECL_RTL (clone, NULL_RTX);
   rest_of_decl_compilation (clone, /*top_level=*/1, at_eof);
 
-  /* Make it easy to find the CLONE given the FN.  */
-  TREE_CHAIN (clone) = TREE_CHAIN (fn);
-  TREE_CHAIN (fn) = clone;
+  if (pch_file)
+    note_decl_for_pch (clone);
 
-  /* If this is a template, handle the DECL_TEMPLATE_RESULT as well.  */
-  if (TREE_CODE (clone) == TEMPLATE_DECL)
-    {
-      tree result;
+  return clone;
+}
 
-      DECL_TEMPLATE_RESULT (clone)
-	= build_clone (DECL_TEMPLATE_RESULT (clone), name);
-      result = DECL_TEMPLATE_RESULT (clone);
-      DECL_TEMPLATE_INFO (result) = copy_node (DECL_TEMPLATE_INFO (result));
-      DECL_TI_TEMPLATE (result) = clone;
+/* Implementation of DECL_CLONED_FUNCTION and DECL_CLONED_FUNCTION_P, do
+   not invoke this function directly.
+
+   For a non-thunk function, returns the address of the slot for storing
+   the function it is a clone of.  Otherwise returns NULL_TREE.
+
+   If JUST_TESTING, looks through TEMPLATE_DECL and returns NULL if
+   cloned_function is unset.  This is to support the separate
+   DECL_CLONED_FUNCTION and DECL_CLONED_FUNCTION_P modes; using the latter
+   on a template makes sense, but not the former.  */
+
+tree *
+decl_cloned_function_p (const_tree decl, bool just_testing)
+{
+  tree *ptr;
+  if (just_testing)
+    decl = STRIP_TEMPLATE (decl);
+
+  if (TREE_CODE (decl) != FUNCTION_DECL
+      || !DECL_LANG_SPECIFIC (decl)
+      || DECL_LANG_SPECIFIC (decl)->u.fn.thunk_p)
+    {
+#if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
+      if (!just_testing)
+	lang_check_failed (__FILE__, __LINE__, __FUNCTION__);
+      else
+#endif
+	return NULL;
     }
-  else if (pch_file)
-    note_decl_for_pch (clone);
 
-  return clone;
+  ptr = &DECL_LANG_SPECIFIC (decl)->u.fn.u5.cloned_function;
+  if (just_testing && *ptr == NULL_TREE)
+    return NULL;
+  else
+    return ptr;
 }
 
 /* Produce declarations for all appropriate clones of FN.  If
@@ -3920,7 +3951,7 @@ clone_function_decl (tree fn, int update_method_vec_p)
 
   /* Avoid inappropriate cloning.  */
   if (TREE_CHAIN (fn)
-      && DECL_CLONED_FUNCTION (TREE_CHAIN (fn)))
+      && DECL_CLONED_FUNCTION_P (TREE_CHAIN (fn)))
     return;
 
   if (DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P (fn))
@@ -3977,7 +4008,7 @@ adjust_clone_args (tree decl)
 {
   tree clone;
 
-  for (clone = TREE_CHAIN (decl); clone && DECL_CLONED_FUNCTION (clone);
+  for (clone = TREE_CHAIN (decl); clone && DECL_CLONED_FUNCTION_P (clone);
        clone = TREE_CHAIN (clone))
     {
       tree orig_clone_parms = TYPE_ARG_TYPES (TREE_TYPE (clone));
@@ -4447,54 +4478,6 @@ create_vtable_ptr (tree t, tree* virtuals_p)
   return NULL_TREE;
 }
 
-/* Fixup the inline function given by INFO now that the class is
-   complete.  */
-
-static void
-fixup_pending_inline (tree fn)
-{
-  if (DECL_PENDING_INLINE_INFO (fn))
-    {
-      tree args = DECL_ARGUMENTS (fn);
-      while (args)
-	{
-	  DECL_CONTEXT (args) = fn;
-	  args = TREE_CHAIN (args);
-	}
-    }
-}
-
-/* Fixup the inline methods and friends in TYPE now that TYPE is
-   complete.  */
-
-static void
-fixup_inline_methods (tree type)
-{
-  tree method = TYPE_METHODS (type);
-  VEC(tree,gc) *friends;
-  unsigned ix;
-
-  if (method && TREE_CODE (method) == TREE_VEC)
-    {
-      if (TREE_VEC_ELT (method, 1))
-	method = TREE_VEC_ELT (method, 1);
-      else if (TREE_VEC_ELT (method, 0))
-	method = TREE_VEC_ELT (method, 0);
-      else
-	method = TREE_VEC_ELT (method, 2);
-    }
-
-  /* Do inline member functions.  */
-  for (; method; method = TREE_CHAIN (method))
-    fixup_pending_inline (method);
-
-  /* Do friends.  */
-  for (friends = CLASSTYPE_INLINE_FRIENDS (type), ix = 0;
-       VEC_iterate (tree, friends, ix, method); ix++)
-    fixup_pending_inline (method);
-  CLASSTYPE_INLINE_FRIENDS (type) = NULL;
-}
-
 /* Add OFFSET to all base types of BINFO which is a base in the
    hierarchy dominated by T.
 
@@ -5219,8 +5202,6 @@ finish_struct_1 (tree t)
   TYPE_SIZE (t) = NULL_TREE;
   CLASSTYPE_PRIMARY_BINFO (t) = NULL_TREE;
 
-  fixup_inline_methods (t);
-
   /* Make assumptions about the class; we'll reset the flags if
      necessary.  */
   CLASSTYPE_EMPTY_P (t) = 1;
@@ -5332,9 +5313,7 @@ finish_struct_1 (tree t)
       add_fields_to_record_type (TYPE_FIELDS (t), field_vec, 0);
       qsort (field_vec->elts, n_fields, sizeof (tree),
 	     field_decl_cmp);
-      if (! DECL_LANG_SPECIFIC (TYPE_MAIN_DECL (t)))
-	retrofit_lang_decl (TYPE_MAIN_DECL (t));
-      DECL_SORTED_FIELDS (TYPE_MAIN_DECL (t)) = field_vec;
+      CLASSTYPE_SORTED_FIELDS (t) = field_vec;
     }
 
   /* Complain if one of the field types requires lower visibility.  */

gcc/cp/decl.c

@@ -873,7 +873,7 @@ push_local_name (tree decl)
 	{
 	  if (!DECL_LANG_SPECIFIC (decl))
 	    retrofit_lang_decl (decl);
-	  DECL_LANG_SPECIFIC (decl)->decl_flags.u2sel = 1;
+	  DECL_LANG_SPECIFIC (decl)->u.base.u2sel = 1;
 	  if (DECL_LANG_SPECIFIC (t))
 	    DECL_DISCRIMINATOR (decl) = DECL_DISCRIMINATOR (t) + 1;
 	  else
@@ -1786,9 +1786,7 @@ duplicate_decls (tree newdecl, tree olddecl, bool newdecl_is_friend)
 	{
 	  DECL_INITIAL (newdecl) = DECL_INITIAL (olddecl);
 	  DECL_SOURCE_LOCATION (newdecl) = DECL_SOURCE_LOCATION (olddecl);
-	  if (CAN_HAVE_FULL_LANG_DECL_P (newdecl)
-	      && DECL_LANG_SPECIFIC (newdecl)
-	      && DECL_LANG_SPECIFIC (olddecl))
+	  if (TREE_CODE (newdecl) == FUNCTION_DECL)
 	    {
 	      DECL_SAVED_TREE (newdecl) = DECL_SAVED_TREE (olddecl);
 	      DECL_STRUCT_FUNCTION (newdecl) = DECL_STRUCT_FUNCTION (olddecl);
@@ -1894,24 +1892,27 @@ duplicate_decls (tree newdecl, tree olddecl, bool newdecl_is_friend)
       /* Don't really know how much of the language-specific
 	 values we should copy from old to new.  */
       DECL_IN_AGGR_P (newdecl) = DECL_IN_AGGR_P (olddecl);
-      DECL_LANG_SPECIFIC (newdecl)->decl_flags.u2 =
-	DECL_LANG_SPECIFIC (olddecl)->decl_flags.u2;
-      DECL_NONCONVERTING_P (newdecl) = DECL_NONCONVERTING_P (olddecl);
       DECL_REPO_AVAILABLE_P (newdecl) = DECL_REPO_AVAILABLE_P (olddecl);
-      if (DECL_TEMPLATE_INFO (newdecl))
-	new_template_info = DECL_TEMPLATE_INFO (newdecl);
-      DECL_TEMPLATE_INFO (newdecl) = DECL_TEMPLATE_INFO (olddecl);
       DECL_INITIALIZED_IN_CLASS_P (newdecl)
 	|= DECL_INITIALIZED_IN_CLASS_P (olddecl);
-      olddecl_friend = DECL_FRIEND_P (olddecl);
-      hidden_friend = (DECL_ANTICIPATED (olddecl)
-		       && DECL_HIDDEN_FRIEND_P (olddecl)
-		       && newdecl_is_friend);
 
-      /* Only functions have DECL_BEFRIENDING_CLASSES.  */
+      if (LANG_DECL_HAS_MIN (newdecl))
+	{
+	  DECL_LANG_SPECIFIC (newdecl)->u.min.u2 =
+	    DECL_LANG_SPECIFIC (olddecl)->u.min.u2;
+	  if (DECL_TEMPLATE_INFO (newdecl))
+	    new_template_info = DECL_TEMPLATE_INFO (newdecl);
+	  DECL_TEMPLATE_INFO (newdecl) = DECL_TEMPLATE_INFO (olddecl);
+	}
+      /* Only functions have these fields.  */
       if (TREE_CODE (newdecl) == FUNCTION_DECL
 	  || DECL_FUNCTION_TEMPLATE_P (newdecl))
 	{
+	  DECL_NONCONVERTING_P (newdecl) = DECL_NONCONVERTING_P (olddecl);
+	  olddecl_friend = DECL_FRIEND_P (olddecl);
+	  hidden_friend = (DECL_ANTICIPATED (olddecl)
+			   && DECL_HIDDEN_FRIEND_P (olddecl)
+			   && newdecl_is_friend);
 	  DECL_BEFRIENDING_CLASSES (newdecl)
 	    = chainon (DECL_BEFRIENDING_CLASSES (newdecl),
 		       DECL_BEFRIENDING_CLASSES (olddecl));
@@ -12582,16 +12583,6 @@ finish_method (tree decl)
 
   DECL_INITIAL (fndecl) = old_initial;
 
-  /* We used to check if the context of FNDECL was different from
-     current_class_type as another way to get inside here.  This didn't work
-     for String.cc in libg++.  */
-  if (DECL_FRIEND_P (fndecl))
-    {
-      VEC_safe_push (tree, gc, CLASSTYPE_INLINE_FRIENDS (current_class_type),
-		     fndecl);
-      decl = void_type_node;
-    }
-
   return decl;
 }
 

gcc/cp/decl2.c

@@ -2634,7 +2634,6 @@ start_objects (int method_type, int initp)
     DECL_GLOBAL_CTOR_P (current_function_decl) = 1;
   else
     DECL_GLOBAL_DTOR_P (current_function_decl) = 1;
-  DECL_LANG_SPECIFIC (current_function_decl)->decl_flags.u2sel = 1;
 
   body = begin_compound_stmt (BCS_FN_BODY);
 

gcc/cp/error.c

@@ -1406,7 +1406,7 @@ dump_function_name (tree t, int flags)
       pp_cxx_ws_string (cxx_pp, "operator");
       dump_type (TREE_TYPE (TREE_TYPE (t)), flags);
     }
-  else if (IDENTIFIER_OPNAME_P (name))
+  else if (name && IDENTIFIER_OPNAME_P (name))
     pp_cxx_tree_identifier (cxx_pp, name);
   else
     dump_decl (name, flags);

gcc/cp/lex.c

@@ -532,19 +532,20 @@ retrofit_lang_decl (tree t)
 {
   struct lang_decl *ld;
   size_t size;
-
-  if (CAN_HAVE_FULL_LANG_DECL_P (t))
-    size = sizeof (struct lang_decl);
+  int sel;
+
+  if (TREE_CODE (t) == FUNCTION_DECL)
+    sel = 1, size = sizeof (struct lang_decl_fn);
+  else if (TREE_CODE (t) == NAMESPACE_DECL)
+    sel = 2, size = sizeof (struct lang_decl_ns);
+  else if (LANG_DECL_HAS_MIN (t))
+    sel = 0, size = sizeof (struct lang_decl_min);
   else
-    size = sizeof (struct lang_decl_flags);
+    gcc_unreachable ();
 
   ld = GGC_CNEWVAR (struct lang_decl, size);
 
-  ld->decl_flags.can_be_full = CAN_HAVE_FULL_LANG_DECL_P (t) ? 1 : 0;
-  ld->decl_flags.u1sel = TREE_CODE (t) == NAMESPACE_DECL ? 1 : 0;
-  ld->decl_flags.u2sel = 0;
-  if (ld->decl_flags.can_be_full)
-    ld->u.f.u3sel = TREE_CODE (t) == FUNCTION_DECL ? 1 : 0;
+  ld->u.base.selector = sel;
 
   DECL_LANG_SPECIFIC (t) = ld;
   if (current_lang_name == lang_name_cplusplus
@@ -572,10 +573,15 @@ cxx_dup_lang_specific_decl (tree node)
   if (! DECL_LANG_SPECIFIC (node))
     return;
 
-  if (!CAN_HAVE_FULL_LANG_DECL_P (node))
-    size = sizeof (struct lang_decl_flags);
+  if (TREE_CODE (node) == FUNCTION_DECL)
+    size = sizeof (struct lang_decl_fn);
+  else if (TREE_CODE (node) == NAMESPACE_DECL)
+    size = sizeof (struct lang_decl_ns);
+  else if (LANG_DECL_HAS_MIN (node))
+    size = sizeof (struct lang_decl_min);
   else
-    size = sizeof (struct lang_decl);
+    gcc_unreachable ();
+
   ld = GGC_NEWVAR (struct lang_decl, size);
   memcpy (ld, DECL_LANG_SPECIFIC (node), size);
   DECL_LANG_SPECIFIC (node) = ld;

gcc/cp/mangle.c

@@ -1088,43 +1088,54 @@ write_unqualified_name (const tree decl)
 {
   MANGLE_TRACE_TREE ("unqualified-name", decl);
 
-  if (DECL_LANG_SPECIFIC (decl) != NULL && DECL_CONSTRUCTOR_P (decl))
-    write_special_name_constructor (decl);
-  else if (DECL_LANG_SPECIFIC (decl) != NULL && DECL_DESTRUCTOR_P (decl))
-    write_special_name_destructor (decl);
-  else if (DECL_NAME (decl) == NULL_TREE)
+  if (DECL_NAME (decl) == NULL_TREE)
     {
       gcc_assert (DECL_ASSEMBLER_NAME_SET_P (decl));
       write_source_name (DECL_ASSEMBLER_NAME (decl));
+      return;
     }
-  else if (DECL_CONV_FN_P (decl))
+  else if (DECL_DECLARES_FUNCTION_P (decl))
     {
-      /* Conversion operator. Handle it right here.
-	   <operator> ::= cv <type>  */
-      tree type;
-      if (decl_is_template_id (decl, NULL))
+      bool found = true;
+      if (DECL_CONSTRUCTOR_P (decl))
+	write_special_name_constructor (decl);
+      else if (DECL_DESTRUCTOR_P (decl))
+	write_special_name_destructor (decl);
+      else if (DECL_CONV_FN_P (decl))
 	{
-	  tree fn_type;
-	  fn_type = get_mostly_instantiated_function_type (decl);
-	  type = TREE_TYPE (fn_type);
+	  /* Conversion operator. Handle it right here.
+	     <operator> ::= cv <type>  */
+	  tree type;
+	  if (decl_is_template_id (decl, NULL))
+	    {
+	      tree fn_type;
+	      fn_type = get_mostly_instantiated_function_type (decl);
+	      type = TREE_TYPE (fn_type);
+	    }
+	  else
+	    type = DECL_CONV_FN_TYPE (decl);
+	  write_conversion_operator_name (type);
+	}
+      else if (DECL_OVERLOADED_OPERATOR_P (decl))
+	{
+	  operator_name_info_t *oni;
+	  if (DECL_ASSIGNMENT_OPERATOR_P (decl))
+	    oni = assignment_operator_name_info;
+	  else
+	    oni = operator_name_info;
+
+	  write_string (oni[DECL_OVERLOADED_OPERATOR_P (decl)].mangled_name);
 	}
       else
-	type = DECL_CONV_FN_TYPE (decl);
-      write_conversion_operator_name (type);
-    }
-  else if (DECL_OVERLOADED_OPERATOR_P (decl))
-    {
-      operator_name_info_t *oni;
-      if (DECL_ASSIGNMENT_OPERATOR_P (decl))
-	oni = assignment_operator_name_info;
-      else
-	oni = operator_name_info;
+	found = false;
 
-      write_string (oni[DECL_OVERLOADED_OPERATOR_P (decl)].mangled_name);
+      if (found)
+	return;
     }
-  else if (VAR_OR_FUNCTION_DECL_P (decl) && ! TREE_PUBLIC (decl)
-	   && DECL_NAMESPACE_SCOPE_P (decl)
-	   && decl_linkage (decl) == lk_internal)
+
+  if (VAR_OR_FUNCTION_DECL_P (decl) && ! TREE_PUBLIC (decl)
+      && DECL_NAMESPACE_SCOPE_P (decl)
+      && decl_linkage (decl) == lk_internal)
     {
       MANGLE_TRACE_TREE ("local-source-name", decl);
       write_char ('L');

gcc/cp/method.c

@@ -277,7 +277,6 @@ make_alias_for (tree function, tree newid)
   DECL_SAVED_FUNCTION_DATA (alias) = NULL;
   DECL_DESTRUCTOR_P (alias) = 0;
   DECL_CONSTRUCTOR_P (alias) = 0;
-  DECL_CLONED_FUNCTION (alias) = NULL_TREE;
   DECL_EXTERNAL (alias) = 0;
   DECL_ARTIFICIAL (alias) = 1;
   DECL_NO_STATIC_CHAIN (alias) = 1;

gcc/cp/pt.c

@@ -3458,17 +3458,6 @@ build_template_decl (tree decl, tree parms, bool member_template_p)
   DECL_TEMPLATE_PARMS (tmpl) = parms;
   DECL_CONTEXT (tmpl) = DECL_CONTEXT (decl);
   DECL_MEMBER_TEMPLATE_P (tmpl) = member_template_p;
-  if (DECL_LANG_SPECIFIC (decl))
-    {
-      DECL_STATIC_FUNCTION_P (tmpl) = DECL_STATIC_FUNCTION_P (decl);
-      DECL_CONSTRUCTOR_P (tmpl) = DECL_CONSTRUCTOR_P (decl);
-      DECL_DESTRUCTOR_P (tmpl) = DECL_DESTRUCTOR_P (decl);
-      DECL_NONCONVERTING_P (tmpl) = DECL_NONCONVERTING_P (decl);
-      DECL_ASSIGNMENT_OPERATOR_P (tmpl) = DECL_ASSIGNMENT_OPERATOR_P (decl);
-      if (DECL_OVERLOADED_OPERATOR_P (decl))
-	SET_OVERLOADED_OPERATOR_CODE (tmpl,
-				      DECL_OVERLOADED_OPERATOR_P (decl));
-    }
   return tmpl;
 }
@@ -3792,6 +3781,7 @@ check_default_tmpl_args (tree decl, tree parms, int is_primary,
   if (current_class_type
       && !TYPE_BEING_DEFINED (current_class_type)
       && DECL_LANG_SPECIFIC (decl)
+      && DECL_DECLARES_FUNCTION_P (decl)
       /* If this is either a friend defined in the scope of the class
 	 or a member function.  */
       && (DECL_FUNCTION_MEMBER_P (decl)
@@ -8594,13 +8584,8 @@ tsubst_decl (tree t, tree args, tsubst_flags_t complain)
 	DECL_SAVED_TREE (r) = NULL_TREE;
 	DECL_STRUCT_FUNCTION (r) = NULL;
 	TREE_USED (r) = 0;
-	if (DECL_CLONED_FUNCTION (r))
-	  {
-	    DECL_CLONED_FUNCTION (r) = tsubst (DECL_CLONED_FUNCTION (t),
-					       args, complain, t);
-	    TREE_CHAIN (r) = TREE_CHAIN (DECL_CLONED_FUNCTION (r));
-	    TREE_CHAIN (DECL_CLONED_FUNCTION (r)) = r;
-	  }
+	/* We'll re-clone as appropriate in instantiate_template.  */
+	DECL_CLONED_FUNCTION (r) = NULL_TREE;
 	/* Set up the DECL_TEMPLATE_INFO for R.  There's no need to do
 	   this in the special friend case mentioned above where
@@ -12330,8 +12315,10 @@ instantiate_template (tree tmpl, tree orig_args, tsubst_flags_t complain)
       tree spec;
       tree clone;
-      spec = instantiate_template (DECL_CLONED_FUNCTION (tmpl), targ_ptr,
-				   complain);
+      /* Use DECL_ABSTRACT_ORIGIN because only FUNCTION_DECLs have
+	 DECL_CLONED_FUNCTION.  */
+      spec = instantiate_template (DECL_ABSTRACT_ORIGIN (tmpl),
+				   targ_ptr, complain);
       if (spec == error_mark_node)
 	return error_mark_node;

gcc/cp/ptree.c

@@ -65,10 +65,6 @@ cxx_print_decl (FILE *file, tree node, int indent)
       && DECL_PENDING_INLINE_INFO (node))
     fprintf (file, " pending-inline-info %p",
 	     (void *) DECL_PENDING_INLINE_INFO (node));
-  if (TREE_CODE (node) == TYPE_DECL
-      && DECL_SORTED_FIELDS (node))
-    fprintf (file, " sorted-fields %p",
-	     (void *) DECL_SORTED_FIELDS (node));
   if ((TREE_CODE (node) == FUNCTION_DECL || TREE_CODE (node) == VAR_DECL)
       && DECL_TEMPLATE_INFO (node))
     fprintf (file, " template-info %p",
@@ -95,13 +91,6 @@ cxx_print_type (FILE *file, tree node, int indent)
 	print_node (file, "throws", TYPE_RAISES_EXCEPTIONS (node), indent + 4);
       return;
 
-    case RECORD_TYPE:
-    case UNION_TYPE:
-      indent_to (file, indent + 4);
-      fprintf (file, "full-name \"%s\"",
-	       type_as_string (node, TFF_CLASS_KEY_OR_ENUM));
-      break;
-
     default:
       return;
     }
@@ -113,6 +102,10 @@ cxx_print_type (FILE *file, tree node, int indent)
   if (! CLASS_TYPE_P (node))
     return;
 
+  indent_to (file, indent + 4);
+  fprintf (file, "full-name \"%s\"",
+	   type_as_string (node, TFF_CLASS_KEY_OR_ENUM));
+
   indent_to (file, indent + 3);
 
   if (TYPE_NEEDS_CONSTRUCTING (node))
@@ -140,6 +133,9 @@ cxx_print_type (FILE *file, tree node, int indent)
     fputs (" delete[]", file);
   if (TYPE_HAS_ASSIGN_REF (node))
     fputs (" this=(X&)", file);
+  if (CLASSTYPE_SORTED_FIELDS (node))
+    fprintf (file, " sorted-fields %p",
+	     (void *) CLASSTYPE_SORTED_FIELDS (node));
 
   if (TREE_CODE (node) == RECORD_TYPE)
     {

gcc/cp/search.c

@@ -395,12 +395,10 @@ lookup_field_1 (tree type, tree name, bool want_type)
        The TYPE_FIELDS of TYPENAME_TYPE is its TYPENAME_TYPE_FULLNAME.  */
     return NULL_TREE;
 
-  if (TYPE_NAME (type)
-      && DECL_LANG_SPECIFIC (TYPE_NAME (type))
-      && DECL_SORTED_FIELDS (TYPE_NAME (type)))
+  if (CLASSTYPE_SORTED_FIELDS (type))
     {
-      tree *fields = &DECL_SORTED_FIELDS (TYPE_NAME (type))->elts[0];
-      int lo = 0, hi = DECL_SORTED_FIELDS (TYPE_NAME (type))->len;
+      tree *fields = &CLASSTYPE_SORTED_FIELDS (type)->elts[0];
+      int lo = 0, hi = CLASSTYPE_SORTED_FIELDS (type)->len;
       int i;
 
       while (lo < hi)

gcc/cp/semantics.c

@@ -3861,7 +3861,7 @@ finish_omp_threadprivate (tree vars)
 	      /* Make sure that DECL_DISCRIMINATOR_P continues to be true
 		 after the allocation of the lang_decl structure.  */
 	      if (DECL_DISCRIMINATOR_P (v))
-		DECL_LANG_SPECIFIC (v)->decl_flags.u2sel = 1;
+		DECL_LANG_SPECIFIC (v)->u.base.u2sel = 1;
 	    }
 
 	  if (! DECL_THREAD_LOCAL_P (v))

gcc/testsuite/ChangeLog

+2009-07-03  Jason Merrill  <jason@redhat.com>
+
+	* g++.dg/template/pure1.C: Expect another error.
+
 2009-07-03  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/40640

gcc/testsuite/g++.dg/template/pure1.C

@@ -2,5 +2,5 @@
 
 struct A
 {
-  template<int> void foo() = 1; // { dg-error "pure" }
+  template<int> void foo() = 1; // { dg-error "pure|non-virtual" }
 };