PR c++/71748 - call to base destructor in template.

	PR c++/52746
	* pt.c (tsubst_baselink): Call
	adjust_result_of_qualified_name_lookup for unqualified
	destructors.

From-SVN: r238681

gcc/cp/ChangeLog

+2016-07-22  Jason Merrill  <jason@redhat.com>
+
+	PR c++/71748
+	PR c++/52746
+	* pt.c (tsubst_baselink): Call
+	adjust_result_of_qualified_name_lookup for unqualified
+	destructors.
+
 2016-07-21  Jason Merrill  <jason@redhat.com>
 
 	PR c++/69223

gcc/cp/pt.c

@@ -13760,10 +13760,17 @@ tsubst_baselink (tree baselink, tree object_type,
     if (!object_type)
       object_type = current_class_type;
 
-    if (qualified)
-      baselink = adjust_result_of_qualified_name_lookup (baselink,
-							 qualifying_scope,
-							 object_type);
+    if (qualified || name == complete_dtor_identifier)
+      {
+	baselink = adjust_result_of_qualified_name_lookup (baselink,
+							   qualifying_scope,
+							   object_type);
+	if (!qualified)
+	  /* We need to call adjust_result_of_qualified_name_lookup in case the
+	     destructor names a base class, but we unset BASELINK_QUALIFIED_P
+	     so that we still get virtual function binding.  */
+	  BASELINK_QUALIFIED_P (baselink) = false;
+      }
     return baselink;
 }
 

gcc/testsuite/g++.dg/template/dtor10.C

+// PR c++/71748
+
+struct A
+{ 
+  virtual ~A () {}
+};
+
+struct B : public A
+{ 
+  virtual ~B () {}
+};
+
+template < int > void foo ()
+{ 
+  B *b = new B;
+  b->~A ();
+}
+
+int main ()
+{ 
+  foo < 0 > ();
+  return 0;
+}