1 files changed, 10 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/inherit/covariant20.C b/gcc-4.9/gcc/testsuite/g++.dg/inherit/covariant20.C
new file mode 100644
index 000000000..cf7e196fe
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/inherit/covariant20.C
@@ -0,0 +1,10 @@
+// PR c++/51812
+// { dg-do link }
+
+class Object {
+  virtual Object* clone() const;
+};
+class DNA: virtual public Object {
+  virtual DNA* clone() const {return new DNA(*this);}
+};
+int main() { }