re PR c++/28853 (ICE on invalid declaration with template template parameter)

	PR c++/28853
	* typeck2.c (cxx_incomplete_type_diagnostic): Handle template
	template parameters.  Improve error message for template type
	parameters.

	* g++.dg/template/ttp21.C: New test.

From-SVN: r116464

gcc/cp/ChangeLog

 2006-08-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
+	PR c++/28853
+	* typeck2.c (cxx_incomplete_type_diagnostic): Handle template
+	template parameters.  Improve error message for template type
+	parameters.
+
 	PR c++/28852
 	* cp-tree.h (grok_op_properties): Return bool instead of void.
 	* decl.c (grokfndecl): Discard invalid operator declarations.

gcc/cp/typeck2.c

@@ -403,7 +403,12 @@ cxx_incomplete_type_diagnostic (tree value, tree type, int diag_type)
       break;
 
     case TEMPLATE_TYPE_PARM:
-      p_msg ("invalid use of template type parameter");
+      p_msg ("invalid use of template type parameter %qT", type);
+      break;
+
+    case BOUND_TEMPLATE_TEMPLATE_PARM:
+      p_msg ("invalid use of template template parameter %qT",
+            TYPE_NAME (type));
       break;
 
     case TYPENAME_TYPE:

gcc/testsuite/ChangeLog

 2006-08-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
+	PR c++/28853
+	* g++.dg/template/ttp21.C: New test.
+
 	PR c++/28852
 	* g++.dg/other/operator1.C: Add error-marker.
 	* g++.dg/other/operator2.C: New test.

gcc/testsuite/g++.dg/template/ttp21.C

+// PR c++/28853
+// { dg-do compile }
+
+template<template<int> class A>
+int A<0>::i;  // { dg-error "template template parameter" }