libstdc++/8836: char_traits<signed char> undefined at link time ( char_traits<char> is OK )

[richarda@vecien.com]

>Number:         8836
>Category:       libstdc++
>Synopsis:       char_traits<signed char> undefined at link time ( char_traits<char> is OK )
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Dec 05 16:26:01 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     richarda@vecien.com
>Release:        3.2.1
>Organization:
>Environment:
i386-pc-linux-gnu (RedHat 7.3)

>Description:

gint8 from glib is

typedef signed char gint8;

using basic_streambuf<gint8> fails at link with 

undefined reference to `std::char_traits<signed char>::eof()'
undefined reference to `std::char_traits<signed char>::eq_int_type(unsigned long const&, unsigned long const&)'
undefined reference to `std::char_traits<signed char>::eof()'
undefined reference to `std::char_traits<signed char>::not_eof(unsigned long const&)'

etc...

Works fine if typedef is changed to use 'char' instead of 'signed char'.

>How-To-Repeat:

#include <istream>

typedef signed char c_type;

class buf : public std::basic_streambuf<c_type>
{
public:
    buf()
        {
        }

    virtual ~buf()
        {
        }

};

int main (int argc, char * argv[] )
{
    buf * b = new buf;

    return 0;
}


>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: