re PR c++/51230 (Broken diagnostic: 'template_parm_index' not supported by dump_type)

/cp
2011-11-20  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51230
	* pt.c (unify_inconsistency): Handle non-type parameters better.
	* error.c (dump_expr): Handle TEMPLATE_TEMPLATE_PARM.

/cp
2011-11-20  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51230
	* g++.dg/template/error46.C: New.

From-SVN: r181538

gcc/cp/ChangeLog

+2011-11-20  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/51230
+	* pt.c (unify_inconsistency): Handle non-type parameters better.
+	* error.c (dump_expr): Handle TEMPLATE_TEMPLATE_PARM.
+
 2011-11-20  Dodji Seketeli  <dodji@redhat.com>
 
 	PR c++/51194

gcc/cp/error.c

@@ -2406,6 +2406,7 @@ dump_expr (tree t, int flags)
       break;
 
     case TEMPLATE_TYPE_PARM:
+    case TEMPLATE_TEMPLATE_PARM:
     case BOUND_TEMPLATE_TEMPLATE_PARM:
       dump_type (t, flags);
       break;

gcc/cp/pt.c

@@ -5501,7 +5501,7 @@ unify_inconsistency (bool explain_p, tree parm, tree first, tree second)
 {
   if (explain_p)
     inform (input_location,
-	    "  deduced conflicting types for parameter %qT (%qT and %qT)",
+	    "  conflicting deductions for parameter %qE (%qE and %qE)",
 	    parm, first, second);
   return 1;
 }

gcc/testsuite/ChangeLog

+2011-11-20  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/51230
+	* g++.dg/template/error46.C: New.
+
 2011-11-20  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/51235

gcc/testsuite/g++.dg/template/error46.C

+// PR c++/51230
+
+template<int> struct A {}; 
+
+template<int N> void foo(A<N>, A<N>); // { dg-message "template" }
+
+void bar()
+{
+  foo(A<0>(), A<1>()); // { dg-error "no matching" }
+}
+// { dg-message "candidate|parameter 'N' ('0' and '1')" { target *-*-* } 9 }