1 // { dg-do assemble  }
2 //
3 // Copyright (C) 2001 Free Software Foundation, Inc.
4 // Contributed by Nathan Sidwell 11 Apr 2001 <nathan@codesourcery.com>
5 
6 // Bug 1944. We failed to calculate nearly emptiness properly, and
7 // lost primary too.
8 
9 struct A1 {};
10 struct A2 {};
11 
12 struct B1 : virtual A1 {};
13 struct B2 : virtual A2 {};
14 
15 struct C1 : virtual B2 {};
16 struct C2 : virtual B2 {};
17 
18 struct D1 : virtual C1, virtual C2 {};
19 struct D2 : virtual C2, virtual B1 {};
20 
21 struct E : virtual D1, virtual D2 {};
22