1 files changed, 136 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.abi/empty2.C b/gcc/testsuite/g++.old-deja/g++.abi/empty2.C
new file mode 100644
index 000000000..65d6a4594
--- /dev/null
+++ b/gcc/testsuite/g++.old-deja/g++.abi/empty2.C
@@ -0,0 +1,136 @@
+// { dg-do assemble  }
+
+// Copyright (C) 2001 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 12 Apr 2001 <nathan@codesourcery.com>
+
+// Check we deal with trailing empty base classes properly
+
+struct A {};
+struct B1 : A {};
+struct B2 : A {};
+struct B3 : A {};
+struct B4 : A {};
+struct B5 : A {};
+struct B6 : A {};
+struct B7 : A {};
+struct B8 : A {};
+
+struct C1 : B1
+{
+  virtual void Foo () {}
+};
+struct C2 : B1, B2
+{
+  virtual void Foo () {}
+};
+struct C3 : B1, B2, B3
+{
+  virtual void Foo () {}
+};
+struct C4 : B1, B2, B3, B4
+{
+  virtual void Foo () {}
+};
+struct C5 : B1, B2, B3, B4, B5
+{
+  virtual void Foo () {}
+};
+struct C6 : B1, B2, B3, B4, B5, B6
+{
+  virtual void Foo () {}
+};
+struct C7 : B1, B2, B3, B4, B5, B6, B7
+{
+  virtual void Foo () {}
+};
+struct C8 : B1, B2, B3, B4, B5, B6, B7, B8
+{
+  virtual void Foo () {}
+};
+
+struct D1 : virtual C1 {};
+struct D2 : virtual C2 {};
+struct D3 : virtual C3 {};
+struct D4 : virtual C4 {};
+struct D5 : virtual C5 {};
+struct D6 : virtual C6 {};
+struct D7 : virtual C7 {};
+struct D8 : virtual C8 {};
+
+unsigned const nearly_empty_size = sizeof (D1);
+
+template <typename Cn, typename Dn> int Check (Dn const &ref)
+{
+  if ((sizeof (Cn) <= nearly_empty_size)
+      != (static_cast <void const *> (&ref)
+	  == static_cast <Cn const *> (&ref)))
+    return 1;
+  return 0;
+}
+
+template <typename Bn, typename Cn> int Check ()
+{
+  Cn c[2];
+
+  if (static_cast <A *> (static_cast <B1 *> (&c[1]))
+      == static_cast <A *> (static_cast <Bn *> (&c[0])))
+    return 1;
+  return 0;
+}
+
+  
+int main ()
+{
+#if defined (__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100
+  if (Check<B1, C1> ())
+    return 1;
+  if (Check<B2, C2> ())
+    return 2;
+  if (Check<B3, C3> ())
+    return 3;
+  if (Check<B4, C4> ())
+    return 4;
+  if (Check<B5, C5> ())
+    return 5;
+  if (Check<B6, C6> ())
+    return 6;
+  if (Check<B7, C7> ())
+    return 7;
+  if (Check<B8, C8> ())
+    return 8;
+  
+  if (Check<C1> (D1 ()))
+    return 11;
+  if (Check<C2> (D2 ()))
+    return 12;
+  if (Check<C3> (D3 ()))
+    return 13;
+  if (Check<C4> (D4 ()))
+    return 14;
+  if (Check<C5> (D5 ()))
+    return 15;
+  if (Check<C6> (D6 ()))
+    return 16;
+  if (Check<C7> (D7 ()))
+    return 17;
+  if (Check<C8> (D8 ()))
+    return 18;
+  
+  if (sizeof (C2) == nearly_empty_size)
+    return 22;
+  if (sizeof (C3) == nearly_empty_size)
+    return 23;
+  if (sizeof (C4) == nearly_empty_size)
+    return 24;
+  if (sizeof (C5) == nearly_empty_size)
+    return 25;
+  if (sizeof (C6) == nearly_empty_size)
+    return 26;
+  if (sizeof (C7) == nearly_empty_size)
+    return 27;
+  if (sizeof (C8) == nearly_empty_size)
+    return 28;
+#endif
+  return 0;
+  
+}