--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.old-deja/g++.mike/virt4.C	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,28 @@
+// { dg-do run  }
+// { dg-options "" }
+
+void  Foo () {}
+
+class B {
+public:
+  virtual void foo() = 0;
+};
+
+class D: virtual public B {
+public:
+  void foo() { Foo(); }
+};
+
+class D1: public D {};
+
+class D2: public D {};
+
+class D1_2: public D1, public D2 {
+public:
+  void foo() { D1::foo(); D2::foo(); }
+};
+
+main() {
+  D1_2 h;
+  h.foo();
+}