1 files changed, 86 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.other/anon3.C b/gcc/testsuite/g++.old-deja/g++.other/anon3.C
new file mode 100644
index 000000000..3f8b5cc00
--- /dev/null
+++ b/gcc/testsuite/g++.old-deja/g++.other/anon3.C
@@ -0,0 +1,86 @@
+// { dg-do run  }
+// Copyright (C) 1999 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 20 May 1999 <nathan@acm.org>
+
+// Although anon unions cannot have user defined member functions
+// [class.union/2].  They should have implicitly defined copy ctors and
+// and the like [class.copy/4].  Make sure we generate one of the correct
+// signature and that it works ok.
+
+extern "C" void abort();
+
+struct A
+{
+  union
+  {
+    int a;
+  };
+};
+union B
+{
+  int a;
+};
+
+static A Ctor(A const &src)
+{
+  A result(src);  // this should not cause a const violation
+  
+  result = src;   // and neither should this
+  
+  return result;
+}
+
+typedef __SIZE_TYPE__ size_t;
+
+void *operator new(size_t, void *ptr)
+{
+  return ptr;
+}
+
+// check copy ctor and assignment for plain union
+void check_union()
+{
+  B b1;
+  B b2;
+  
+  b1.a = 5;
+  b2.a = 6;
+  b2 = b1;
+  if(b2.a != 5)
+    abort();
+  
+  b2.a = 6;
+  new (&b2) B(b1);
+  if(b2.a != 5)
+    abort();
+  
+  return;
+}
+
+// check copy ctor and assignment for class containing anon-union
+void check_union_member()
+{
+  A a1;
+  A a2;
+  
+  a1.a = 5;
+  a2.a = 6;
+  a2 = a1;
+  if(a2.a != 5)
+    abort();
+  
+  a2.a = 6;
+  new (&a2) A(a1);
+  if(a2.a != 5)
+    abort();
+  
+  return;
+}
+
+int main()
+{
+  check_union();
+  check_union_member();
+  
+  return 0;
+}