re PR c++/57317 (bogus and unsuppressible warning: 'YYY' has a base 'ZZZ' whose…

re PR c++/57317 (bogus and unsuppressible warning: 'YYY' has a base 'ZZZ' whose type uses the anonymous namespace)

	PR c++/57317
	* decl2.c (determine_visibility): Use PRIMARY_TEMPLATE_P to decide
	whether a template has its own args.

From-SVN: r199101

gcc/cp/ChangeLog

+2013-05-20  Jason Merrill  <jason@redhat.com>
+
+	PR c++/57317
+	* decl2.c (determine_visibility): Use PRIMARY_TEMPLATE_P to decide
+	whether a template has its own args.
+
 2013-05-20  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/57327

gcc/cp/decl2.c

@@ -2210,9 +2210,6 @@ determine_visibility (tree decl)
 	      && !lookup_attribute ("visibility", attribs))
 	    {
 	      int depth = TMPL_ARGS_DEPTH (args);
-	      int class_depth = 0;
-	      if (class_type && CLASSTYPE_TEMPLATE_INFO (class_type))
-		class_depth = TMPL_ARGS_DEPTH (CLASSTYPE_TI_ARGS (class_type));
 	      if (DECL_VISIBILITY_SPECIFIED (decl))
 		{
 		  /* A class template member with explicit visibility
@@ -2225,7 +2222,7 @@ determine_visibility (tree decl)
 		      constrain_visibility_for_template (decl, lev);
 		    }
 		}
-	      else if (depth > class_depth)
+	      else if (PRIMARY_TEMPLATE_P (TI_TEMPLATE (tinfo)))
 		/* Limit visibility based on its template arguments.  */
 		constrain_visibility_for_template (decl, args);
 	    }

gcc/testsuite/g++.dg/warn/anonymous-namespace-4.C

+// PR c++/57137
+
+#include "anonymous-namespace-4.h"
+
+namespace
+{
+  class NonCloneable;
+  void fn1 ()
+  {
+    is_function_impl < NonCloneable > i;
+  }
+}

gcc/testsuite/g++.dg/warn/anonymous-namespace-4.h

+template < typename T > struct integral_c {
+  static const T value = 0;
+};
+struct is_reference:integral_c < bool > { };
+template < class > struct is_function_ptr_helper { };
+template < bool > struct is_function_chooser;
+
+template <> struct is_function_chooser <0 >
+{
+  template < typename T > struct result_:is_function_ptr_helper < T * > { };
+};
+
+template < typename T > struct is_function_impl:is_function_chooser <
+  is_reference::value >::result_ < T > { };