1 files changed, 83 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.abi/vtable.C b/gcc/testsuite/g++.old-deja/g++.abi/vtable.C
new file mode 100644
index 000000000..b93710af7
--- /dev/null
+++ b/gcc/testsuite/g++.old-deja/g++.abi/vtable.C
@@ -0,0 +1,83 @@
+// { dg-do run  }
+// { dg-options "-fno-strict-aliasing" }
+// Test various aspects of vtable layout.
+// Origin: Mark Mitchell <mark@codesourcery.com>
+
+#if defined (__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100
+
+struct S0
+{
+  virtual void h ()
+  {
+  }
+
+  int k;
+};
+
+
+struct S1 
+{
+  virtual void f () 
+  {
+  }
+
+  int i;
+};
+
+struct S2 : virtual public S0
+{
+  virtual void g ()
+  {
+  }
+
+  int j;
+};
+
+struct S3 
+{
+  virtual void k () 
+  {
+  }
+
+  int l;
+};
+
+struct S4 : public virtual S1, public S2, public S3
+{
+};
+
+inline void* vtable (void *object)
+{
+  // The vptr is always the first part of the object.
+  return * (void **) object;
+}
+
+int main ()
+{
+  // The vtable layout order for S4 should consist of S4's primary
+  // vtable (shared with S2), followed by the vtable for S3 (because
+  // it is a non-virtual base).  Then, these should be followed by the
+  // the vtables for S1 and S0, which are virtual.
+  S4 s4;
+  S0 *s0 = &s4;
+  S1 *s1 = &s4;
+  S2 *s2 = &s4;
+  S3 *s3 = &s4;
+  
+  if (vtable (&s4) != vtable (s2))
+    return 1;
+  if (vtable (s2) >= vtable (s3))
+    return 2;
+  if (vtable (s3) >= vtable (s1))
+    return 3;
+  if (vtable (s1) >= vtable (s0))
+    return 4;
+}
+
+#else /* !(defined (__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100) */
+
+int main () 
+{
+}
+
+#endif /* !(defined (__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100) */