1 files changed, 41 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/inherit/covariant18.C b/gcc/testsuite/g++.dg/inherit/covariant18.C
new file mode 100644
index 000000000..31e62165e
--- /dev/null
+++ b/gcc/testsuite/g++.dg/inherit/covariant18.C
@@ -0,0 +1,41 @@
+// PR c++/47873
+// { dg-do run }
+
+struct Base
+{
+    virtual ~Base(){}
+
+    virtual Base& This() { return *this; }
+};
+
+
+struct Ent : virtual Base
+{
+    void *m_Body;
+
+    Ent& This() { return *this; }
+
+    virtual Ent& body()
+    {
+        return This();
+    }
+
+};
+
+
+struct Msg : virtual Ent
+{
+    Msg()
+    {
+        body();
+    }
+
+    Msg& This() { return *this; }
+};
+
+int main()
+{
+    Msg m;
+
+    return 0;
+}