1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/inherit/virtual5.C b/gcc-4.9/gcc/testsuite/g++.dg/inherit/virtual5.C
new file mode 100644
index 000000000..bed0ef3a0
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/inherit/virtual5.C
@@ -0,0 +1,29 @@
+// Test that a synthesized op= can override one from a base.
+// { dg-do run }
+
+struct B;
+
+struct A
+{
+  virtual B& operator=(const B&);
+};
+
+struct B: A
+{
+  B(int i): i(i) { }
+  int i;
+  // implicitly-declared op=
+};
+
+B& A::operator=(const B& b) { return static_cast<B&>(*this); }
+
+int main()
+{
+  B b1 (123);
+  B b2 (0);
+
+  A& ar = b1;
+  ar = b2;
+
+  return b1.i;
+}