1 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/other/offsetof2.C b/gcc/testsuite/g++.dg/other/offsetof2.C
new file mode 100644
index 000000000..3ab63981d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/other/offsetof2.C
@@ -0,0 +1,47 @@
+// { dg-do run }
+// { dg-options -Wold-style-cast }
+
+// Copyright (C) 2003 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 22 Apr 2003 <nathan@codesourcery.com>
+
+// DR273 POD can have an operator&, offsetof is still required to work
+
+#include <stddef.h>
+
+struct POD1
+{
+  int m;
+  
+  void *operator& () const {return 0;} // yes, still a pod!
+};
+
+struct POD2 
+{
+  int m;
+};
+
+void *operator& (POD2 const &) {return 0;} // ouch!
+
+struct POD3 
+{
+  int prefix;
+  
+  POD1 m;
+};
+
+struct POD4
+{
+  int prefix;
+  
+  POD1 m;
+};
+
+int main ()
+{
+  if (offsetof (POD3, m) != sizeof (int))
+    return 1;
+  if (offsetof (POD4, m) != sizeof (int))
+    return 2;
+  return 0;
+}
+