From bb7db846ccb44d2fc4c4087f7950c70f58d524ef Mon Sep 17 00:00:00 2001
From: William S Fulton <wsf@fultondesigns.co.uk>
Date: Wed, 4 Oct 2017 08:49:45 +0100
Subject: [PATCH] Run virtual_derivation testcase

Should have been added in c92d8c7cf74c785aa5a529b9dbffe70eccaea9e5
---
 Examples/test-suite/common.mk            | 1 +
 Examples/test-suite/virtual_derivation.i | 1 +
 2 files changed, 2 insertions(+)

diff --git a/Examples/test-suite/common.mk b/Examples/test-suite/common.mk
index b59dd1e36..114b79f97 100644
--- a/Examples/test-suite/common.mk
+++ b/Examples/test-suite/common.mk
@@ -536,6 +536,7 @@ CPP_TEST_CASES += \
 	varargs_overload \
 	variable_replacement \
 	virtual_destructor \
+	virtual_derivation \
 	virtual_poly \
 	virtual_vs_nonvirtual_base \
 	voidtest \
diff --git a/Examples/test-suite/virtual_derivation.i b/Examples/test-suite/virtual_derivation.i
index a199646d4..59b7fcea1 100644
--- a/Examples/test-suite/virtual_derivation.i
+++ b/Examples/test-suite/virtual_derivation.i
@@ -58,6 +58,7 @@
   class IndexReader{
   public:
     virtual void norms() = 0;
+    virtual ~IndexReader() {}
   };
 
   class MultiReader : public IndexReader {