1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/inherit/base2.C b/gcc/testsuite/g++.dg/inherit/base2.C
new file mode 100644
index 000000000..5c7d812c7
--- /dev/null
+++ b/gcc/testsuite/g++.dg/inherit/base2.C
@@ -0,0 +1,12 @@
+// Copyright (C) 2004 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 23 Sep 2004 <nathan@codesourcery.com>
+
+// Origin: Wolfgang Bangerth <bangerth@dealii.org>
+// Bug 17620. Bogus duplicate base error.
+
+struct S {}; 
+ 
+typedef S B; 
+ 
+struct D1 : B {}; 
+struct D2 : B {};