From 0f399e5f9b8b238932eeaba618f6baefd7bdd36c Mon Sep 17 00:00:00 2001
From: Kriang Lerdsuwanakij <lerdsuwa@users.sourceforge.net>
Date: Thu, 9 Jan 2003 13:55:46 +0000
Subject: [PATCH] pt.c (push_access_scope_real): Call push_to_top_level for
 function in namespace scope.

	* pt.c (push_access_scope_real): Call push_to_top_level for
	function in namespace scope.
	(pop_access_scope): Call pop_from_top_level for function in
	namespace scope.

	* g++.dg/template/friend14.C: New test.

From-SVN: r61114
---
 gcc/cp/ChangeLog                         |  7 +++++++
 gcc/cp/pt.c                              | 21 ++++++++++++++-------
 gcc/testsuite/ChangeLog                  |  4 ++++
 gcc/testsuite/g++.dg/template/friend14.C | 20 ++++++++++++++++++++
 4 files changed, 45 insertions(+), 7 deletions(-)
 create mode 100644 gcc/testsuite/g++.dg/template/friend14.C

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 17626a93f46..cb9c6124ac4 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,10 @@
+2003-01-09  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
+
+	* pt.c (push_access_scope_real): Call push_to_top_level for
+	function in namespace scope.
+	(pop_access_scope): Call pop_from_top_level for function in
+	namespace scope.
+
 2003-01-09  Jakub Jelinek  <jakub@redhat.com>
 
 	* decl.c (start_decl): Don't set DECL_COMMON for __thread variables.
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index b63443b174b..7802e25b573 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -209,16 +209,21 @@ push_access_scope_real (t, args, context)
 	  if (spec)
 	    t = spec;
 	}
-
-      saved_access_scope = tree_cons
-	(NULL_TREE, current_function_decl, saved_access_scope);
-      current_function_decl = t;
     }
 
   if (!context)
     context = DECL_CONTEXT (t);
   if (context && TYPE_P (context))
     push_nested_class (context, 2);
+  else
+    push_to_top_level ();
+    
+  if (TREE_CODE (t) == FUNCTION_DECL || DECL_FUNCTION_TEMPLATE_P (t))
+    {
+      saved_access_scope = tree_cons
+	(NULL_TREE, current_function_decl, saved_access_scope);
+      current_function_decl = t;
+    }
 }
 
 /* Like push_access_scope_real, but always uses DECL_CONTEXT.  */
@@ -237,14 +242,16 @@ void
 pop_access_scope (t)
   tree t;
 {
-  if (DECL_CLASS_SCOPE_P (t))
-    pop_nested_class ();
-
   if (TREE_CODE (t) == FUNCTION_DECL || DECL_FUNCTION_TEMPLATE_P (t))
     {
       current_function_decl = TREE_VALUE (saved_access_scope);
       saved_access_scope = TREE_CHAIN (saved_access_scope);
     }
+
+  if (DECL_CLASS_SCOPE_P (t))
+    pop_nested_class ();
+  else
+    pop_from_top_level ();
 }
 
 /* Do any processing required when DECL (a member template
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 413a12ecad5..8168b989ade 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2003-01-09  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
+
+	* g++.dg/template/friend14.C: New test.
+
 2003-01-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
 
 	* gcc.dg/old-style-asm-1.c: New test.
diff --git a/gcc/testsuite/g++.dg/template/friend14.C b/gcc/testsuite/g++.dg/template/friend14.C
new file mode 100644
index 00000000000..6e07b98932a
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/friend14.C
@@ -0,0 +1,20 @@
+// { dg-do compile }
+
+// Origin: Wolfgang Bangerth <bangerth@ticam.utexas.edu>
+
+// Perform access checking to parameter and return type of 
+// function template correctly when the template is friend.
+
+template <class T> class O {
+  struct I { I (int); };
+
+  template <class T_>
+  friend typename O<T_>::I f ();
+};
+
+template <class T_>
+typename O<T_>::I f () { return 1; }
+
+struct X {
+    void g() { f<int>(); }
+};
-- 
2.30.2