re PR c++/20465 (error: no matching function for call)

cp:
	PR c++/20465
	PR c++/20381
	* typeck.c (build_ptrmemfunc): Allow OFFSET_REF when processing a
	template.
testsuite:
	PR c++/20465
	PR c++/20381
	* g++.dg/template/ptrmem12.C: New.

From-SVN: r96862

gcc/cp/ChangeLog

+2005-03-22  Nathan Sidwell  <nathan@codesourcery.com>
+
+	PR c++/20465
+	PR c++/20381
+	* typeck.c (build_ptrmemfunc): Allow OFFSET_REF when processing a
+	template.
+
 2005-03-21  Paolo Carlini  <pcarlini@suse.de>
 
 	PR c++/20461

gcc/cp/typeck.c

@@ -5683,7 +5683,10 @@ build_ptrmemfunc (tree type, tree pfn, int force, bool c_cast_p)
     return instantiate_type (type, pfn, tf_error | tf_warning);
 
   fn = TREE_OPERAND (pfn, 0);
-  gcc_assert (TREE_CODE (fn) == FUNCTION_DECL);
+  gcc_assert (TREE_CODE (fn) == FUNCTION_DECL
+	      /* In a template, we will have preserved the
+		 OFFSET_REF.  */
+	      || (processing_template_decl && TREE_CODE (fn) == OFFSET_REF));
   return make_ptrmem_cst (to_type, fn);
 }
 

gcc/testsuite/ChangeLog

+2005-03-22  Nathan Sidwell  <nathan@codesourcery.com>
+
+	PR c++/20465
+	PR c++/20381
+	* g++.dg/template/ptrmem12.C: New.
+
 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
 
 	PR rtl-optimization/20527

gcc/testsuite/g++.dg/template/ptrmem12.C

+// Copyright (C) 2005 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 17 Mar 2005 <nathan@codesourcery.com>
+
+// PR 20465
+// Origin: Matthias Klose <doko@debian.org>
+//	   Andrew Pinski <pinskia@gcc.gnu.org>
+
+template <class _Ret, class _Tp>
+void mem_fun_ref(_Ret (_Tp::*__f)());
+
+struct A {
+  double f();
+};
+
+void h ()
+{
+  mem_fun_ref(&A::f);
+}
+
+template <class T>
+void f()
+{
+  mem_fun_ref(&A::f);
+}
+
+void g()
+{
+  f<int>();
+}