Re: Erroneous for-loop variable used with /Zc:forScope

From:
 Felipe Magno de Almeida <felipe.m.almeida@gmail.com>
Newsgroups:
microsoft.public.vc.language
Date:
Mon, 20 Aug 2007 10:53:33 -0000
Message-ID:
<1187607213.744151.252540@w3g2000hsg.googlegroups.com>
This is the smaller full example I could built.

#pragma conform(forScope, show)

namespace boost { namespace spirit {

namespace impl {
    template <typename T>
    inline void mp_swap(T& t1, T& t2);
}

#pragma conform(forScope, show)

namespace multi_pass_policies
{

class buf_id_check
{
    protected:
        void swap(buf_id_check& x)
        {
            impl::mp_swap(shared_buf_id, x.shared_buf_id);
            impl::mp_swap(buf_id, x.buf_id);
        }

        unsigned long* shared_buf_id;
        unsigned long buf_id;
};

#pragma conform(forScope, show)

} // namespace multi_pass_policies

namespace impl {

    template <typename T>
    inline void mp_swap(T& t1, T& t2)
    {
    }
}

#pragma conform(forScope, show)

}} // namespace boost::spirit

#pragma conform(forScope, show)

struct A
{
  bool operator!=(int);
  A&operator++();
};

int main(int argc, char **argv)
{
#pragma conform(forScope, show)
  for(int i = 0; i != 10; i++)
  {
    for(A i; i != 0; ++i)
    {
    }

    i = 5;
  }
}

---
Error messages:
main.cpp(2) : warning C4811: value of pragma conform(forScope, show)
== true
main.cpp(11) : warning C4811: value of pragma conform(forScope, show)
== true
main.cpp(29) : warning C4811: value of pragma conform(forScope, show)
== true
main.cpp(41) : warning C4811: value of pragma conform(forScope, show)
== true
main.cpp(45) : warning C4811: value of pragma conform(forScope, show)
== true
main.cpp(55) : warning C4811: value of pragma conform(forScope, show)
== true
msvc.link bin\msvc-8.0express\debug\threading-multi\spirit-test.exe
main.obj : error LNK2019: unresolved external symbol "public: bool
__thiscall A::operator!=(int)" (??9A@@QAE_NH@Z) referenced in function
_main
main.obj : error LNK2019: unresolved external symbol "public: struct A
& __thiscall A::operator++(void)" (??EA@@QAEAAU0@XZ) referenced in
function _main
bin\msvc-8.0express\debug\threading-multi\spirit-test.exe : fatal
error LNK1120: 2 unresolved externals

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