1 files changed, 69 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.abi/empty.C b/gcc/testsuite/g++.old-deja/g++.abi/empty.C
new file mode 100644
index 000000000..40aac9e9d
--- /dev/null
+++ b/gcc/testsuite/g++.old-deja/g++.abi/empty.C
@@ -0,0 +1,69 @@
+// { dg-do run  }
+// { dg-options "-w" }
+// Origin: Mark Mitchell <mark@codesourcery.com>
+
+#if defined (__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100
+
+struct S0
+{
+};
+
+struct S1 : public S0
+{
+};
+
+struct S2 : public S1
+{
+  char c;
+};
+
+// In S3, the S1 instance is allocated first at offset zero.  The S2
+// instance has to be allocated at a subsequent offset; it's first
+// part is also an S1.
+
+struct S3 : public S1, public S2
+{
+};
+
+struct S4 
+{
+  int i;
+};
+
+// In S4, in contrast to S3, S2 is allocated first, and S1 can be
+// allocated on top of S4.
+
+struct S5 : public S2, public S1, public S4
+{
+};
+
+// The T classes are by-hand layouts that should be equivalent to the
+// S classes.
+
+struct T3
+{
+  S1 s1;
+  S2 s2;
+};
+
+struct T5
+{
+  S2 s2;
+  S4 s4;
+};
+
+int main ()
+{
+  if (sizeof (S3) != sizeof (T3))
+    return 1;
+  else if (sizeof (S5) != sizeof (T5))
+    return 2;
+}
+
+#else /* !(defined (__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100) */
+
+int main () 
+{
+}
+
+#endif /* !(defined (__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100) */