[Boost-bugs] [Boost C++ Libraries] #8260: trivial code fails to compile with clang in c++11 mode

Subject: [Boost-bugs] [Boost C++ Libraries] #8260: trivial code fails to compile with clang in c++11 mode
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2013-03-07 08:29:18

#8260: trivial code fails to compile with clang in c++11 mode
-------------------------------------+--------------------------------------
 Reporter:  nathanridge              |       Owner:  fmhess  
     Type:  Bugs                     |      Status:  new     
Milestone:  To Be Determined         |   Component:  signals2
  Version:  Boost Development Trunk  |    Severity:  Problem 
 Keywords:                           |  
-------------------------------------+--------------------------------------
 The following trivial code fails to compile with clang in C++11 mode:

 {{{
 #include <boost/signals2/signal.hpp>

 int main()
 {
     boost::signals2::signal<void()> s;
     s();
 }
 }}}

 The compiler errors is:

 {{{
 In file included from test.cpp:1:
 In file included from boost/signals2/signal.hpp:38:
 In file included from boost/signals2/variadic_signal.hpp:21:
 boost/signals2/detail/variadic_slot_invoker.hpp:92:16: error: no matching
 function for call to 'get'
           func(BOOST_SIGNALS2_GET<indices>(args)...);
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~
 boost/signals2/detail/variadic_slot_invoker.hpp:26:28: note: expanded from
 macro 'BOOST_SIGNALS2_GET'
 #define BOOST_SIGNALS2_GET boost::get
                            ^
 boost/signals2/detail/variadic_slot_invoker.hpp:81:18: note: in
 instantiation of function template specialization
 'boost::signals2::detail::call_with_tuple_args<boost::signals2::detail::void_type>::m_invoke<boost::function<void
 ()>, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, boost::tuples::null_type,
 boost::tuples::null_type, boost::tuples::null_type,
 boost::tuples::null_type, boost::tuples::null_type,
 boost::tuples::null_type, boost::tuples::null_type,
 boost::tuples::null_type, boost::tuples::null_type,
 boost::tuples::null_type>' requested here
           return m_invoke(resolver, func, indices_type(), args);
                  ^
 boost/signals2/detail/variadic_slot_invoker.hpp:117:18: note: in
 instantiation of function template specialization
 'boost::signals2::detail::call_with_tuple_args<boost::signals2::detail::void_type>::operator()<boost::function<void
 ()>, boost::tuples::null_type, boost::tuples::null_type,
 boost::tuples::null_type, boost::tuples::null_type,
 boost::tuples::null_type, boost::tuples::null_type,
 boost::tuples::null_type, boost::tuples::null_type,
 boost::tuples::null_type, boost::tuples::null_type>' requested here
           return
 call_with_tuple_args<result_type>()(connectionBody->slot.slot_function(),
 _args);
                  ^
 boost/signals2/detail/variadic_slot_invoker.hpp:109:18: note: in
 instantiation of function template specialization
 'boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type,
 >::m_invoke<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,
 boost::optional<int> >, boost::signals2::slot<void (),
 boost::function<void ()> >, boost::signals2::mutex> > >' requested here
           return m_invoke(connectionBody,
                  ^
 boost/signals2/detail/slot_call_iterator.hpp:82:35: note: in instantiation
 of function template specialization
 'boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type,
 >::operator()<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,
 boost::optional<int> >, boost::signals2::slot<void (),
 boost::function<void ()> >, boost::signals2::mutex> > >' requested here
               cache->result.reset(cache->f(*iter));
                                   ^
 boost/iterator/iterator_facade.hpp:449:20: note: in instantiation of
 member function
 'boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type,
 >,
 std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,
 boost::optional<int> >, boost::signals2::slot<void (),
 boost::function<void ()> >, boost::signals2::mutex> > >,
 boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,
 boost::optional<int> >, boost::signals2::slot<void (),
 boost::function<void ()> >, boost::signals2::mutex> >::dereference'
 requested here
           return f.dereference();
                    ^
 boost/iterator/iterator_facade.hpp:575:40: note: (skipping 1 context in
 backtrace; use -ftemplate-backtrace-limit=0 to see all)
           return iterator_core_access::dereference(this->derived());
                                        ^
 boost/signals2/optional_last_value.hpp:55:13: note: in instantiation of
 member function
 'boost::iterator_facade<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type,
 >,
 std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,
 boost::optional<int> >, boost::signals2::slot<void (),
 boost::function<void ()> >, boost::signals2::mutex> > >,
 boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,
 boost::optional<int> >, boost::signals2::slot<void (),
 boost::function<void ()> >, boost::signals2::mutex> >,
 boost::signals2::detail::void_type, boost::single_pass_traversal_tag,
 const boost::signals2::detail::void_type &, long>::operator*' requested
 here
             *first;
             ^
 boost/signals2/detail/result_type_wrapper.hpp:64:11: note: in
 instantiation of function template specialization
 'boost::signals2::optional_last_value<void>::operator()<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type,
 >,
 std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,
 boost::optional<int> >, boost::signals2::slot<void (),
 boost::function<void ()> >, boost::signals2::mutex> > >,
 boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,
 boost::optional<int> >, boost::signals2::slot<void (),
 boost::function<void ()> >, boost::signals2::mutex> > >' requested here
           combiner(first, last);
           ^
 boost/signals2/detail/signal_template.hpp:241:18: note: in instantiation
 of function template specialization
 'boost::signals2::detail::combiner_invoker<void>::operator()<boost::signals2::optional_last_value<void>,
 boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type,
 >,
 std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,
 boost::optional<int> >, boost::signals2::slot<void (),
 boost::function<void ()> >, boost::signals2::mutex> > >,
 boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,
 boost::optional<int> >, boost::signals2::slot<void (),
 boost::function<void ()> >, boost::signals2::mutex> > >' requested here
           return detail::combiner_invoker<typename
 combiner_type::result_type>()
                  ^
 boost/signals2/detail/signal_template.hpp:695:16: note: in instantiation
 of member function 'boost::signals2::detail::signal_impl<void (),
 boost::signals2::optional_last_value<void>, int, std::less<int>,
 boost::function<void ()>, boost::function<void (const
 boost::signals2::connection &)>, boost::signals2::mutex>::operator()'
 requested here
         return
 (*_pimpl)(BOOST_SIGNALS2_SIGNATURE_ARG_NAMES(BOOST_SIGNALS2_NUM_ARGS));
                ^
 test.cpp:6:6: note: in instantiation of member function
 'boost::signals2::signal<void (),
 boost::signals2::optional_last_value<void>, int, std::less<int>,
 boost::function<void ()>, boost::function<void (const
 boost::signals2::connection &)>, boost::signals2::mutex>::operator()'
 requested here
     s();
      ^
 boost/tuple/detail/tuple_basic.hpp:211:1: note: candidate template
 ignored: could not match cons against tuple
 get(cons<HT, TT>& c BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(int, N)) {
 ^
 boost/tuple/detail/tuple_basic.hpp:225:1: note: candidate template
 ignored: could not match cons against tuple
 get(const cons<HT, TT>& c BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(int, N))
 {
 ^
 boost/optional/optional.hpp:773:1: note: candidate template ignored:
 invalid explicitly-specified argument for template parameter 'T'
 get ( optional<T> const& opt )
 ^
 boost/optional/optional.hpp:781:1: note: candidate template ignored:
 invalid explicitly-specified argument for template parameter 'T'
 get ( optional<T>& opt )
 ^
 boost/optional/optional.hpp:791:1: note: candidate template ignored:
 invalid explicitly-specified argument for template parameter 'T'
 get ( optional<T> const* opt )
 ^
 boost/optional/optional.hpp:799:1: note: candidate template ignored:
 invalid explicitly-specified argument for template parameter 'T'
 get ( optional<T>* opt )
 ^
 }}}

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/8260>
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