1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/vtable2.C b/gcc/testsuite/g++.dg/template/vtable2.C
new file mode 100644
index 000000000..3bcc1ac3f
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/vtable2.C
@@ -0,0 +1,18 @@
+// Use a small template instantiation depth to speed up testing 
+// { dg-options "-ftemplate-depth-5" }
+// { dg-do compile }
+
+// Origin: rullo.pat@tiscalinet.it
+//	   Nathanael Nerode <neroden@gcc.gnu.org>
+//	   Wolfgang Bangerth <bangerth@dealii.org>
+
+// PR c++/6749: Infinite loop generating vtable.
+
+template <class T> struct inner {};
+
+template <class T> struct parent {
+  virtual void f()			// { dg-error "instantiation depth" }
+    { parent<inner<T> > p; };
+};
+
+template struct parent<int>;