ns2.c

gcc-you can use this code to learn something about gcc, and inquire further into linux,

// Build don't link:

// Copyright (C) 1999 Free Software Foundation

// by Alexandre Oliva <[e-mail]>
// based on bug report by Dima Volodin <[e-mail]>
// variation of ns1.C

void foo();
namespace bar {
  using ::foo;
  class baz {
    friend void foo(); // gets bogus error - conflict - XFAIL *-*-*
  };
}