diff --git a/llvm/test/Regression/C++Frontend/2006-09-12-OpaqueStructCrash.cpp b/llvm/test/Regression/C++Frontend/2006-09-12-OpaqueStructCrash.cpp
new file mode 100644
index 000000000000..2877e17179ec
--- /dev/null
+++ b/llvm/test/Regression/C++Frontend/2006-09-12-OpaqueStructCrash.cpp
@@ -0,0 +1,28 @@
+// RUN: llvm-g++ -O3 -S -o - %s
+
+struct A {
+   virtual ~A();
+};
+
+template <typename Ty>
+struct B : public A {
+   ~B () { delete [] val; }
+private:
+     Ty* val;
+};
+
+template <typename Ty>
+struct C : public A {
+   C ();
+   ~C ();
+};
+
+template <typename Ty>
+struct D : public A {
+     D () {}
+   private:
+     B<C<Ty> > blocks;
+};
+
+template class D<double>;
+