re PR c++/49440 (Invalid dynamic_cast for unnamed namespace)

	PR c++/49440
	* class.c (set_linkage_according_to_type): Just check TREE_PUBLIC
	on the type's name.

From-SVN: r175340

gcc/cp/ChangeLog

 2011-06-23  Jason Merrill  <jason@redhat.com>
 
+	PR c++/49440
+	* class.c (set_linkage_according_to_type): Just check TREE_PUBLIC
+	on the type's name.
+
 	PR c++/49395
 	* init.c (build_zero_init_1): Strip cv-quals from scalar types.
 

gcc/cp/class.c

@@ -677,21 +677,10 @@ get_vtable_name (tree type)
    the abstract.  */
 
 void
-set_linkage_according_to_type (tree type, tree decl)
+set_linkage_according_to_type (tree type ATTRIBUTE_UNUSED, tree decl)
 {
-  /* If TYPE involves a local class in a function with internal
-     linkage, then DECL should have internal linkage too.  Other local
-     classes have no linkage -- but if their containing functions
-     have external linkage, it makes sense for DECL to have external
-     linkage too.  That will allow template definitions to be merged,
-     for example.  */
-  if (no_linkage_check (type, /*relaxed_p=*/true))
-    {
-      TREE_PUBLIC (decl) = 0;
-      DECL_INTERFACE_KNOWN (decl) = 1;
-    }
-  else
   TREE_PUBLIC (decl) = 1;
+  determine_visibility (decl);
 }
 
 /* Create a VAR_DECL for a primary or secondary vtable for CLASS_TYPE.

gcc/testsuite/ChangeLog

 2011-06-23  Jason Merrill  <jason@redhat.com>
 
+	PR c++/49440
+	* g++.dg/rtti/anon-ns1.C: New.
+
 	PR c++/49395
 	* g++.dg/init/ref18.C: New.
 

gcc/testsuite/g++.dg/rtti/anon-ns1.C

+// PR c++/49440
+// The typeinfo name for A should start with * so we compare
+// it by address rather than contents.
+
+// { dg-final { scan-assembler "\"\*N\[^\"\]+1AE\"" } }
+
+namespace
+{
+  class A { };
+}
+
+void f()
+{
+  throw A();
+}