re PR c++/17068 (ICE: tree check: expected class 'd', have 'x' (identifier_node)…

re PR c++/17068 (ICE: tree check: expected class 'd', have 'x' (identifier_node) in dependent_template_p, at cp/pt.c:12043)

	PR c++/17068
	* pt.c (dependent_template_p): Treat IDENTIFIER_NODEs as
	dependent.

	PR c++/17068
	* g++.dg/template/operator4.C: New test.

From-SVN: r86199

gcc/cp/ChangeLog

+2004-08-18  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/17068
+	* pt.c (dependent_template_p): Treat IDENTIFIER_NODEs as
+	dependent.
+
 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/16246

gcc/cp/pt.c

@@ -12033,8 +12033,9 @@ dependent_template_p (tree tmpl)
   if (DECL_TEMPLATE_TEMPLATE_PARM_P (tmpl)
       || TREE_CODE (tmpl) == TEMPLATE_TEMPLATE_PARM)
     return true;
-  /* So are qualified names that have not been looked up.  */
-  if (TREE_CODE (tmpl) == SCOPE_REF)
+  /* So arenames that have not been looked up.  */
+  if (TREE_CODE (tmpl) == SCOPE_REF
+      || TREE_CODE (tmpl) == IDENTIFIER_NODE)
     return true;
   /* So are member templates of dependent classes.  */
   if (TYPE_P (CP_DECL_CONTEXT (tmpl)))

gcc/testsuite/ChangeLog

+2004-08-18  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/17068
+	* g++.dg/template/operator4.C: New test.
+
 2004-08-18  Richard Henderson  <rth@redhat.com>
 
 	* gcc.dg/20040206-1.c: XFAIL.

gcc/testsuite/g++.dg/template/operator4.C

+// PR c++/17068
+
+struct A
+{
+  template<int> void operator()() {}
+};
+
+template<typename> void foo()
+{
+  A().template operator()<0>();
+}