id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
11164	Graph adjacency_list, add_vertex compile error on clang 3.6	dstoeckel@…	Jeremiah Willcock	"I have an issue similar to #10382. When compiling the following program

{{{
#include <boost/graph/adjacency_list.hpp>

struct Payload {
        Payload() = default;
        Payload(const Payload&) {};
        Payload& operator=(const Payload&) { return *this; };
};

struct PayloadD : public Payload {
};

class Props {
  public:
    PayloadD payload;
};

int main(int argc, char** argv)
{
  using boost::adjacency_list;
  using boost::vecS;
  using boost::directedS;
  typedef adjacency_list<vecS, vecS, directedS, Props> Graph;

  Graph graph;
  boost::add_vertex(graph);

  return 0;
}
}}}

Using clang 3.6 I get the error message:

{{{
/usr/bin/../lib64/gcc/x86_64-unknown-linux-gnu/4.9.2/../../../../include/c++/4.9.2/bits/stl_construct.h:75:38: error: call to implicitly-deleted copy constructor of 'boost::detail::stored_edge_property<unsigned long, boost::no_property>'
    { ::new(static_cast<void*>(__p)) _T1(std::forward<_Args>(__args)...); }

...

/usr/include/boost/graph/detail/adjacency_list.hpp:317:7: note: copy constructor is implicitly deleted because 'stored_edge_property<unsigned long, boost::no_property>' has a user-declared move constructor
      stored_edge_property(self&& x) = default;
}}}

The same program compiles fine with gcc 4.8.2, 4.9.2, and clang 3.5.

The attached patch changes stored_edge_property such that it always creates a custom copy constructor and copy assignment operator. With this changes clang 3.6 can build the program."	Bugs	new	To Be Determined	graph	Boost 1.57.0	Problem