c++/2048: 2.97 20010205 parsing error

[braz at uiuc dot edu]

>Number:         2048
>Category:       c++
>Synopsis:       2.97 20010205 parsing error
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Feb 20 21:56:00 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     Rodrigo de Salvo Braz
>Release:        unknown-1.0
>Organization:
>Environment:
sparc-sun-solaris2.6
>Description:
l2r:~/rodrigo/progs/test> /mounts/l2r/disks/7/test/bin/g++ -v -save-temps -c t.cpp
Reading specs from /mounts/l2r/disks/7/test/lib/gcc-lib/sparc-sun-solaris2.6/2.97/specs
Configured with: /mounts/l2r/disks/7/test/src/gcc-20010205/configure --prefix=/mounts/l2r/disks/7/test
gcc version 2.97 20010205 (experimental)
 /mounts/l2r/disks/7/test/lib/gcc-lib/sparc-sun-solaris2.6/2.97/cpp0 -lang-c++ -D_GNU_SOURCE -D__GNUG__=2 -D__GXX_ABI_VERSION=100 -v -D__GNUC__=2 -D__GNUC_MINOR__=97 -D__GNUC_PATCHLEVEL__=0 -Dsparc -Dsun -Dunix -D__svr4__ -D__SVR4 -D__sparc__ -D__sun__ -D__unix__ -D__svr4__ -D__SVR4 -D__sparc -D__sun -D__unix -Asystem=unix -Asystem=svr4 -D__STDC_HOSTED__=1 -D__GCC_NEW_VARARGS__ -Acpu=sparc -Amachine=sparc t.cpp t.ii
GNU CPP version 2.97 20010205 (experimental) (cpplib) (sparc)
#include "..." search starts here:
#include <...> search starts here:
 /mounts/l2r/disks/7/test/include/g++-v3
 /mounts/l2r/disks/7/test/sparc-sun-solaris2.6/include/g++-v3
 /usr/local/include
 /mounts/l2r/disks/7/test/lib/gcc-lib/sparc-sun-solaris2.6/2.97/include
 /mounts/l2r/disks/7/test/sparc-sun-solaris2.6/include
 /usr/include
End of search list.
 /mounts/l2r/disks/7/test/lib/gcc-lib/sparc-sun-solaris2.6/2.97/cc1plus -fpreprocessed t.ii -quiet -dumpbase t.cpp -version -o t.s
GNU CPP version 2.97 20010205 (experimental) (cpplib) (sparc)
GNU C++ version 2.97 20010205 (experimental) (sparc-sun-solaris2.6)
        compiled by GNU C version 2.97 20010205 (experimental).
t.cpp: In constructor `rsb_nets::sr_pair<InputClass, 
   OutputClass>::sr_pair(const InputClass&, const OutputClass&)':
t.cpp:21: parse error before `;' token
t.cpp: At global scope:
t.cpp:38: parse error at end of input
t.cpp:38: Internal compiler error in pop_binding, at cp/decl.c:1165
Please submit a full bug report, with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
>How-To-Repeat:
namespace std
{

template <class T1, class T2>
struct pair
{
        T1 first;
        T2 second;
};

}

namespace rsb_nets
{

template <class InputClass, class OutputClass = InputClass>
class sr_pair : public std::pair<InputClass, OutputClass>
{
    public:
    sr_pair () {}
    sr_pair (const InputClass& i, const OutputClass& o) : pair<InputClass, OutputClass>(i, o)
{}

    const InputClass&  input () const { return first; }
    InputClass&  input () { return first; }
    InputClass&  input (const InputClass& i) { return first = i; }

    const OutputClass& output() const { return second; }
    OutputClass& output() { return second; }
    OutputClass& output(const OutputClass& o) { return second = o; }
};

int main ()
{
        rsb_nets::sr_pair<int, int> p;
        return 0;
}
>Fix:

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