* pt.c (invalid_nontype_parm_type_p): Avoid printing "<type error>".

From-SVN: r181220

gcc/cp/ChangeLog

 2011-11-09  Jason Merrill  <jason@redhat.com>
 
+	* pt.c (invalid_nontype_parm_type_p): Avoid printing "<type error>".
+
 	* pt.c (convert_nontype_argument): Only integral arguments
 	get early folding.
 

gcc/cp/pt.c

@@ -18976,7 +18976,13 @@ invalid_nontype_parm_type_p (tree type, tsubst_flags_t complain)
     return 0;
 
   if (complain & tf_error)
-    error ("%q#T is not a valid type for a template constant parameter", type);
+    {
+      if (type == error_mark_node)
+	inform (input_location, "invalid template non-type parameter");
+      else
+	error ("%q#T is not a valid type for a template non-type parameter",
+	       type);
+    }
   return 1;
 }
 

gcc/testsuite/ChangeLog

+2011-11-09  Jason Merrill  <jason@redhat.com>
+
+	* g++.dg/cpp0x/variadic74.C: Adjust diags.
+	* g++.dg/template/crash53.C: Likewise.
+	* g++.dg/template/void9.C: Likewise.
+
 2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/51045

gcc/testsuite/g++.dg/cpp0x/variadic74.C

-// { dg-options "-std=gnu++0x" }
+// { dg-do compile { target c++11 } }
 template <class... Types> class A
 {
 public:
-  template <Types... Values> class X { /* ... */ }; // { dg-error "not a valid type for a template constant parameter" }
+  template <Types... Values> class X { /* ... */ }; // { dg-error "not a valid type for a template non-type parameter" }
 };
 
 template<class... Types> class B

gcc/testsuite/g++.dg/template/crash53.C

@@ -5,7 +5,7 @@ template<int> struct A {};
 
 template<typename T> struct B
 {
-  template<T I> B(A<I>);  // { dg-error "template constant parameter" }
+  template<T I> B(A<I>);  // { dg-error "template non-type parameter" }
 };
 
 B<double> a=A<0>();  // { dg-error "non-scalar type" }

gcc/testsuite/g++.dg/template/void9.C

 //PR c++/28738
 
 template<int,void> struct A {};    // { dg-error "not a valid type" }
-template<int N> struct A<N,0> {};  // { dg-error "not a valid type" }
+template<int N> struct A<N,0> {};  // { dg-message "invalid" }