error.c (dump_template_parameter): Use parm to determine how to print default value.

cp:
	* error.c (dump_template_parameter): Use parm to determine how
	to print default value.
testsuite:
	* g++.old_deja/g++.pt/error3.C: New test.

From-SVN: r38869

gcc/cp/ChangeLog

 2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>
 
+	* error.c (dump_template_parameter): Use parm to determine how
+	to print default value.
+
+2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>
+
 	* class.c (duplicate_tag_error): Clear more flags.
 
 2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>

gcc/cp/error.c

@@ -336,7 +336,7 @@ dump_template_parameter (parm, flags)
   if ((flags & TFF_FUNCTION_DEFAULT_ARGUMENTS) && a != NULL_TREE)
     {
       output_add_string (scratch_buffer, " = ");
-      if (TREE_CODE (a) == TYPE_DECL || TREE_CODE (a) == TEMPLATE_DECL)
+      if (TREE_CODE (p) == TYPE_DECL || TREE_CODE (p) == TEMPLATE_DECL)
         dump_type (a, flags & ~TFF_CHASE_TYPEDEF);
       else
         dump_expr (a, flags | TFF_EXPR_IN_PARENS);

gcc/testsuite/ChangeLog

 2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>
 
+	* g++.old_deja/g++.pt/error3.C: New test.
+
+2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>
+
 	* g++.old_deja/g++.other/crash39.C: New test.
 
 2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>

gcc/testsuite/g++.old-deja/g++.pt/error3.C

+// Build don't link:
+
+// Copyright (C) 2000 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 10 Jan 2001 <nathan@codesourcery.com>
+
+// Bug 1606. We sorry'd issuing an error.
+
+struct A {};
+template <class T = A> class Tpl {};
+
+struct B {
+  Tpl<int> s;
+};
+
+void foo (B *ptr)
+{
+  ptr->Tpl.t (); // ERROR - template as expression
+}