c++/2626: extern declaration inside a template member is not considered in namespace scope

[pooh at msu dot ru]

>Number:         2626
>Category:       c++
>Synopsis:       extern declaration inside a template member is not considered in namespace scope
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          rejects-legal
>Submitter-Id:   net
>Arrival-Date:   Tue Apr 24 06:06:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     Andrey Slepuhin
>Release:        gcc version 3.0 20010422 (prerelease)
>Organization:
>Environment:
x86 RedHat Linux 6.2, kernel-2.2.18, glibc-2.1.3
>Description:
gcc does not consider extern declaration in namespace scope

pooh@cluster:~/work/grace/examples$ gcc tt.cc
/tmp/ccAXbH6i.o: In function `A::X<int>::X()':
/tmp/ccAXbH6i.o(.gnu.linkonce.t._ZN1A1XIiEC1Ev+0xb): undefined reference to `abcdef'
collect2: ld returned 1 exit status
>How-To-Repeat:
#include <cstdio>

namespace A
{

int abcdef;

template <typename val_t>
class X
{
public:
  inline X ()
  {
    extern int abcdef;
    printf("%d\n", abcdef);
  }
};

}

using namespace A;

int main (int argc, char* argv[])
{
  X<int> x;
  return 0;
}
>Fix:

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