[ https://issues.apache.org/jira/browse/STDCXX-321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Sebor updated STDCXX-321:
--------------------------------

    Description: 
The well-formed program below fails to compile with both EDG eccp 3.8 and gcc 4.1.0 (I didn't try others but it's likely a bug in the library)

{code}
$ cat t.cpp && make t
#include <iterator>

int main ()
{
    std::istream_iterator<char, char> i;
    (void)(i == i);
}
{code}
{noformat}
eccp -c -I/build/sebor/dev/stdlib/include/ansi -D_RWSTDDEBUG    -D_RWSTD_USE_CONFIG -I/build/sebor/dev/stdlib/include -I/build/sebor/eccp-3.8-11s/include -I/build/sebor/dev/stdlib/include/ansi -I/build/sebor/PlumHall/lvs06a/conform -I/build/sebor/PlumHall/lvs06a/dst.3  -A -x --template_directory=/build/sebor/eccp-3.8-11s/lib -g  --display_error_number --remarks --diag_suppress 193,236,340,401,261,479,487,678,679,815 --diag_suppress 177,381,191,68,550,611,997,549   t.cpp
"/build/sebor/dev/stdlib/include/rw/_streamiter.h", line 124: error #349: no
          operator "!" matches these operands
            operand types are: ! std::basic_istream<char,
                      std::char_traits<char>>
      return (__x._C_strm && !!*__x._C_strm) == (__y._C_strm && !!*__y._C_strm);
                              ^
          detected during instantiation of "bool std::operator==(const
                    std::istream_iterator<_TypeT, _CharT, _Traits, _Distance>
                    &, const std::istream_iterator<_TypeT, _CharT, _Traits,
                    _Distance> &) [with _TypeT=char, _CharT=char,
                    _Traits=std::char_traits<char>, _Distance=int]" at line 6
                    of "t.cpp"

"/build/sebor/dev/stdlib/include/rw/_streamiter.h", line 124: error #349: no
          operator "!" matches these operands
            operand types are: ! std::basic_istream<char,
                      std::char_traits<char>>
      return (__x._C_strm && !!*__x._C_strm) == (__y._C_strm && !!*__y._C_strm);
                                                                 ^
          detected during instantiation of "bool std::operator==(const
                    std::istream_iterator<_TypeT, _CharT, _Traits, _Distance>
                    &, const std::istream_iterator<_TypeT, _CharT, _Traits,
                    _Distance> &) [with _TypeT=char, _CharT=char,
                    _Traits=std::char_traits<char>, _Distance=int]" at line 6
                    of "t.cpp"

2 errors detected in the compilation of "t.cpp".
make: *** [t.o] Error 2
{noformat}


  was:
The well-formed program below fails to compile with both EDG eccp 3.8 and gcc 4.1.0 (I didn't try others but it's likely a bug in the library)

$ cat t.cpp && make t
#include <iterator>

int main ()
{
    std::istream_iterator<char, char> i;
    (void)(i == i);
}

eccp -c -I/build/sebor/dev/stdlib/include/ansi -D_RWSTDDEBUG    -D_RWSTD_USE_CONFIG -I/build/sebor/dev/stdlib/include -I/build/sebor/eccp-3.8-11s/include -I/build/sebor/dev/stdlib/include/ansi -I/build/sebor/PlumHall/lvs06a/conform -I/build/sebor/PlumHall/lvs06a/dst.3  -A -x --template_directory=/build/sebor/eccp-3.8-11s/lib -g  --display_error_number --remarks --diag_suppress 193,236,340,401,261,479,487,678,679,815 --diag_suppress 177,381,191,68,550,611,997,549   t.cpp
"/build/sebor/dev/stdlib/include/rw/_streamiter.h", line 124: error #349: no
          operator "!" matches these operands
            operand types are: ! std::basic_istream<char,
                      std::char_traits<char>>
      return (__x._C_strm && !!*__x._C_strm) == (__y._C_strm && !!*__y._C_strm);
                              ^
          detected during instantiation of "bool std::operator==(const
                    std::istream_iterator<_TypeT, _CharT, _Traits, _Distance>
                    &, const std::istream_iterator<_TypeT, _CharT, _Traits,
                    _Distance> &) [with _TypeT=char, _CharT=char,
                    _Traits=std::char_traits<char>, _Distance=int]" at line 6
                    of "t.cpp"

"/build/sebor/dev/stdlib/include/rw/_streamiter.h", line 124: error #349: no
          operator "!" matches these operands
            operand types are: ! std::basic_istream<char,
                      std::char_traits<char>>
      return (__x._C_strm && !!*__x._C_strm) == (__y._C_strm && !!*__y._C_strm);
                                                                 ^
          detected during instantiation of "bool std::operator==(const
                    std::istream_iterator<_TypeT, _CharT, _Traits, _Distance>
                    &, const std::istream_iterator<_TypeT, _CharT, _Traits,
                    _Distance> &) [with _TypeT=char, _CharT=char,
                    _Traits=std::char_traits<char>, _Distance=int]" at line 6
                    of "t.cpp"

2 errors detected in the compilation of "t.cpp".
make: *** [t.o] Error 2



Disabled formatting.

> error on std::operator==(istream_iterator, istream_iterator)
> ------------------------------------------------------------
>
>                 Key: STDCXX-321
>                 URL: https://issues.apache.org/jira/browse/STDCXX-321
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: 24. Iterators
>    Affects Versions: 4.1.2, 4.1.3, 4.1.4, 4.2.0
>         Environment: All
>            Reporter: Martin Sebor
>            Assignee: Farid Zaripov
>             Fix For: 4.2.1
>
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> The well-formed program below fails to compile with both EDG eccp 3.8 and gcc 4.1.0 (I didn't try others but it's likely a bug in the library)
> {code}
> $ cat t.cpp && make t
> #include <iterator>
> int main ()
> {
>     std::istream_iterator<char, char> i;
>     (void)(i == i);
> }
> {code}
> {noformat}
> eccp -c -I/build/sebor/dev/stdlib/include/ansi -D_RWSTDDEBUG    -D_RWSTD_USE_CONFIG -I/build/sebor/dev/stdlib/include -I/build/sebor/eccp-3.8-11s/include -I/build/sebor/dev/stdlib/include/ansi -I/build/sebor/PlumHall/lvs06a/conform -I/build/sebor/PlumHall/lvs06a/dst.3  -A -x --template_directory=/build/sebor/eccp-3.8-11s/lib -g  --display_error_number --remarks --diag_suppress 193,236,340,401,261,479,487,678,679,815 --diag_suppress 177,381,191,68,550,611,997,549   t.cpp
> "/build/sebor/dev/stdlib/include/rw/_streamiter.h", line 124: error #349: no
>           operator "!" matches these operands
>             operand types are: ! std::basic_istream<char,
>                       std::char_traits<char>>
>       return (__x._C_strm && !!*__x._C_strm) == (__y._C_strm && !!*__y._C_strm);
>                               ^
>           detected during instantiation of "bool std::operator==(const
>                     std::istream_iterator<_TypeT, _CharT, _Traits, _Distance>
>                     &, const std::istream_iterator<_TypeT, _CharT, _Traits,
>                     _Distance> &) [with _TypeT=char, _CharT=char,
>                     _Traits=std::char_traits<char>, _Distance=int]" at line 6
>                     of "t.cpp"
> "/build/sebor/dev/stdlib/include/rw/_streamiter.h", line 124: error #349: no
>           operator "!" matches these operands
>             operand types are: ! std::basic_istream<char,
>                       std::char_traits<char>>
>       return (__x._C_strm && !!*__x._C_strm) == (__y._C_strm && !!*__y._C_strm);
>                                                                  ^
>           detected during instantiation of "bool std::operator==(const
>                     std::istream_iterator<_TypeT, _CharT, _Traits, _Distance>
>                     &, const std::istream_iterator<_TypeT, _CharT, _Traits,
>                     _Distance> &) [with _TypeT=char, _CharT=char,
>                     _Traits=std::char_traits<char>, _Distance=int]" at line 6
>                     of "t.cpp"
> 2 errors detected in the compilation of "t.cpp".
> make: *** [t.o] Error 2
> {noformat}

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