GDB 7.6.50

gdb/testsuite/gdb.arch/amd64-tailcall-cxx2.cc

 /* This testcase is part of GDB, the GNU debugger.
 
-   Copyright 2005, 2007-2012 Free Software Foundation, Inc.
+   Copyright 2013 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-int array[] = {1, 2, 3, 4};
+extern void g (int x);
 
-int
-main (void)
+__attribute__ ((noinline, noclone)) void
+f (int x)
 {
-  array[0] = 5;
-
-  return 0;
+  g (x + 1);
 }