1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/inherit/error2.C b/gcc/testsuite/g++.dg/inherit/error2.C
new file mode 100644
index 000000000..7d5e2e5d6
--- /dev/null
+++ b/gcc/testsuite/g++.dg/inherit/error2.C
@@ -0,0 +1,16 @@
+// PR c++/28259
+// { dg-do compile }
+
+struct A
+{
+  virtual A* foo();    // { dg-error "overriding" }
+};
+
+struct B : virtual A;  // { dg-error "before" }
+
+struct C : A
+{
+  virtual B* foo();    // { dg-error "invalid covariant" }
+};
+
+B* C::foo() { return 0; }