update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / boost / libs / config / test / boost_no_cxx11_unrestricted_union.ipp

diff --git a/ceph/src/boost/libs/config/test/boost_no_cxx11_unrestricted_union.ipp b/ceph/src/boost/libs/config/test/boost_no_cxx11_unrestricted_union.ipp
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+//  (C) Copyright Edward Diener 2019
+
+//  Use, modification and distribution are subject to the
+//  Boost Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org/libs/config for more information.
+
+//  MACRO:         BOOST_NO_CXX11_UNRESTRICTED_UNION
+//  TITLE:         C++11 unrestricted union
+//  DESCRIPTION:   The compiler does not support the C++11 unrestricted union
+
+#include <new>
+
+namespace boost_no_cxx11_unrestricted_union {
+
+struct HoldsShort
+    {
+    short i;
+    HoldsShort();
+    };
+
+HoldsShort::HoldsShort() : i(1)
+    {
+    }
+    
+union with_static_data
+    {
+    int a;
+    long b;
+    HoldsShort o;
+    with_static_data();
+    static int sd;
+    };
+    
+with_static_data::with_static_data() :
+    a(0)
+    {
+    }
+    
+int with_static_data::sd = 0;
+
+int test()
+{
+  with_static_data wsd;
+  wsd.a = 24;
+  wsd.b = 48L;
+  new(&wsd.o) HoldsShort;
+  wsd.o.i = 2;
+  with_static_data::sd = 1;
+  bool b = (wsd.o.i == 2 && with_static_data::sd == 1);
+  return b ? 0 : 1;
+}
+
+}