From 9e236a9d6657991f841827676e2b5437cad832d4 Mon Sep 17 00:00:00 2001
From: Kriang Lerdsuwanakij <lerdsuwa@users.sourceforge.net>
Date: Mon, 24 Feb 2003 15:47:24 +0000
Subject: [PATCH] re PR c++/9602 (Total confusion about
 template/friend/virtual/abstract)

	PR c++/9602
	* typeck2.c (abstract_virtuals_error): Don't check when
	TYPE is still template parameter dependent.

	* g++.dg/template/friend16.C: New test.

From-SVN: r63362
---
 gcc/cp/ChangeLog                         |  6 ++++++
 gcc/cp/typeck2.c                         |  5 +++++
 gcc/testsuite/ChangeLog                  |  5 +++++
 gcc/testsuite/g++.dg/template/friend16.C | 16 ++++++++++++++++
 4 files changed, 32 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/template/friend16.C

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 20e1f22aabe..cfdaac850d8 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2003-02-24  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
+
+	PR c++/9602
+	* typeck2.c (abstract_virtuals_error): Don't check when
+	TYPE is still template parameter dependent.
+
 2003-02-23  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/5333
diff --git a/gcc/cp/typeck2.c b/gcc/cp/typeck2.c
index c7dcb527b82..5758bf4ae2f 100644
--- a/gcc/cp/typeck2.c
+++ b/gcc/cp/typeck2.c
@@ -143,6 +143,11 @@ abstract_virtuals_error (decl, type)
        CLASSTYPE_PURE_VIRTUALS holds the inline friends.  */
     return 0;
 
+  if (dependent_type_p (type))
+    /* For a dependent type, we do not yet know which functions are pure
+       virtuals.  */
+    return 0;
+
   u = CLASSTYPE_PURE_VIRTUALS (type);
   if (decl)
     {
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 3dad6fde31b..42df634feaf 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2003-02-24  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>
+
+	PR c++/9602
+	* g++.dg/template/friend16.C: New test.
+
 2003-02-23  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/5333
diff --git a/gcc/testsuite/g++.dg/template/friend16.C b/gcc/testsuite/g++.dg/template/friend16.C
new file mode 100644
index 00000000000..3165ed2b59d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/friend16.C
@@ -0,0 +1,16 @@
+// { dg-do compile }
+
+// Origin: Wolfgang Bangerth <bangerth@ticam.utexas.edu>
+
+// PR c++/9602: Inline friend/pure virtual tree data sharing in
+// class template.
+
+template <typename T> struct X {
+  void foo (X);
+  friend void bar () {}
+};
+    
+template <typename T>
+void X<T>::foo (X x) {}
+    
+template struct X<int>;