+1999-05-24 Nathan Sidwell <nathan@acm.org>
+
+ * g++.old-deja/g++.other/anon3.C: New test.
+ * g++.old-deja/g++.other/anon4.C: New test.
+ * g++.old-deja/g++.ext/anon1.C: Inhibit -pedantic option.
+ * g++.old-deja/g++.g++.robertl/eb131.C/: Remove unrequired ERROR tag,
+ after downgrade to warning (cp/ChangeLog: 1999-05-20 Jason
+ Merrill).
+
Mon May 24 00:01:52 1999 Jeffrey A Law (law@cygnus.com)
* gcc.dg/990524-1.c: New test.
--- /dev/null
+// 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;
+}
--- /dev/null
+// Build don't link:
+
+// Copyright (C) 1999 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 20 May 1999 <nathan@acm.org>
+
+// Anon unions cannot have user defined member functions
+// [class.union/2]. Make sure we spot that.
+
+
+struct A
+{
+ union
+ {
+ void bad();
+ }; // ERROR - anon union cannot have member fns
+};