bug: Cannot convert 'T1<T>::T2<0>' to 'T1<int>::T2<0>

I have bug in this code (C++ Builder 2010 Update 5):

template <class T>
class T1
{
  public:
    template <bool b>
    class T2
    {
      public:
//        T2() {}
//        T2(const T2 &Value) {}
    };
    typedef T2<false> T3;
    T3 f() const {return T3(); }
};

int _tmain(int argc, _TCHAR* argv[])
{
  typedef T1<int> T4;
  T4 c;
  T4::T3 i = c.f();
  //T4::T3 i;
  T4::T3 j = i;
}

[BCC32 Error] Test.cpp(29): E2034 Cannot convert 'T1<T>::T2<0>' to 'T1<int>::T2<0>'
in line   T4::T3 i = c.f();

In next case it works

T4::T3 i;
T4::T3 j = i;

Explicit declaring constructors T2:
[BCC32 Error] Test.cpp(29): E2285 Could not find a match for 'T1<int>::T2<0>::T2(const T1<int>::T2<0>&)'

How do I solve this problem?
0
Saint
7/8/2010 9:48:52 AM
embarcadero.cppbuilder.cpp 2803 articles. 0 followers. Follow

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I haven't tested it out using bcc32, but cameau online compiler compiles it just fine.
Sounds like a compiler bug. You might want to submit it in QC.
0
Zach
7/10/2010 2:11:50 PM
Reply:

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