PR c++/71495 - spurious note during SFINAE.

	* call.c (convert_like_real): Mask complain.
	* semantics.c (perform_koenig_lookup): Likewise.

From-SVN: r238397

gcc/cp/ChangeLog

 2016-07-15  Jason Merrill  <jason@redhat.com>
 
+	PR c++/71495
+	* call.c (convert_like_real): Mask complain.
+	* semantics.c (perform_koenig_lookup): Likewise.
+
 	PR c++/71092
 	* constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
 	threw away DECL_SAVED_TREE.

gcc/cp/call.c

@@ -6640,7 +6640,7 @@ convert_like_real (conversion *convs, tree expr, tree fn, int argnum,
       expr = decay_conversion (expr, complain);
       if (expr == error_mark_node)
 	{
-	  if (complain)
+	  if (complain & tf_error)
 	    {
 	      maybe_print_user_conv_context (convs);
 	      if (fn)

gcc/cp/semantics.c

@@ -2245,7 +2245,7 @@ perform_koenig_lookup (cp_expr fn, vec<tree, va_gc> *args,
       if (!fn)
 	{
 	  /* The unqualified name could not be resolved.  */
-	  if (complain)
+	  if (complain & tf_error)
 	    fn = unqualified_fn_lookup_error (cp_expr (identifier, loc));
 	  else
 	    fn = identifier;

gcc/testsuite/g++.dg/cpp0x/sfinae57.C

+// PR c++/71495
+// { dg-do compile { target c++11 } }
+
+struct A;
+template <class T> void f(T);	// { dg-bogus "initializing" }
+template <class T> T&& declval();
+struct B
+{
+  template <class T, class U> static decltype(f<T>(declval<U>())) g(int);
+  template <class T, class U> void g(...);
+} b;
+
+int main()
+{
+  b.g<A,A>(42);
+}