http://llvm.org/bugs/show_bug.cgi?id=18969

Richard Smith <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |[email protected]
         Resolution|---                         |INVALID

--- Comment #1 from Richard Smith <[email protected]> ---
std::make_shared is found by argument-dependent name lookup here, and when
libc++ and boost are in C++98 mode, the libc++ overload happens to be more
specialized. (Ironically, using -std=c++11 reverses this and will cause us to
pick the boost version.)

One way to deal with this is to move your using-declaration for make_shared
into 'main':

int main() {
  using boost::make_shared;
  std::string a;
  shared_ptr<Z> z = make_shared<Z>(a); // ok, use boost::make_shared,
suppresses ADL
}

Another is to use 'boost::make_shared<Z>(a)' instead of 'make_shared<Z>(a)'.

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