1 files changed, 31 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/inherit/conv3.C b/gcc-4.9/gcc/testsuite/g++.dg/inherit/conv3.C
new file mode 100644
index 000000000..73d8c20f1
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/inherit/conv3.C
@@ -0,0 +1,31 @@
+// PR 31074
+// Bug: The reference cast wasn't finding the desired static_cast followed by
+// const_cast interpretation.
+
+struct Shape
+{
+  Shape() {}
+  virtual ~Shape() {}
+};
+
+struct Loop
+{
+  Loop() {}
+  virtual ~Loop() {}
+  virtual void func() {}
+};
+
+struct Rect :
+  public Shape,
+  public Loop
+{
+  Rect() {}
+  virtual ~Rect() {}
+};
+
+int main ()
+{
+  const Rect* rect = new Rect();
+  Loop &l = ((Loop&)(*rect));
+  return (&l != (const Loop *)rect);
+}