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Fix issue 11267.

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Compiler yields compile error within a function witch used in unevaluate
context of constexpr function because of CWG 1581 [2].

1. https://llvm.org/bugs/show_bug.cgi?id=23135
2. http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#1581
This commit is contained in:
Kohei Takahashi
2015-06-08 11:53:17 +09:00
parent 22268eb083
commit e0f10734b1
13 changed files with 155 additions and 22 deletions
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58
test/sequence/nest.hpp Normal file
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/*=============================================================================
Copyright (C) 2015 Kohei Takahshi
Distributed under 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)
==============================================================================*/
#include <utility>
#include <boost/config.hpp>
template <typename C>
void test_copy()
{
C src;
C dst = src;
(void)dst;
}
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
template <typename C>
void test_move()
{
C src;
C dst = std::move(src);
(void)dst;
}
#endif
template <typename C>
void test_all()
{
test_copy<C>();
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
test_move<C>();
#endif
}
void
test()
{
using namespace boost::fusion;
test_all<FUSION_SEQUENCE<FUSION_SEQUENCE<> > >();
test_all<FUSION_SEQUENCE<FUSION_SEQUENCE<>, int> >();
test_all<FUSION_SEQUENCE<int, FUSION_SEQUENCE<> > >();
test_all<FUSION_SEQUENCE<int, FUSION_SEQUENCE<>, float> >();
test_all<FUSION_SEQUENCE<FUSION_SEQUENCE<int> > >();
test_all<FUSION_SEQUENCE<FUSION_SEQUENCE<int>, int> >();
test_all<FUSION_SEQUENCE<int, FUSION_SEQUENCE<int> > >();
test_all<FUSION_SEQUENCE<int, FUSION_SEQUENCE<int>, float> >();
test_all<FUSION_SEQUENCE<FUSION_SEQUENCE<int, float> > >();
test_all<FUSION_SEQUENCE<FUSION_SEQUENCE<int, float>, int> >();
test_all<FUSION_SEQUENCE<int, FUSION_SEQUENCE<int, float> > >();
test_all<FUSION_SEQUENCE<int, FUSION_SEQUENCE<int, float>, float> >();
}