/* This testcase is part of GDB, the GNU debugger. Copyright 2013-2014 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 . */ #include volatile int v = 1; static __attribute__ ((noinline, noclone, noreturn)) void noret (int x, ...) { abort (); } static __attribute__ ((noinline, noclone)) void mayret (int x) { if (v) noret (x); } static __attribute__ ((noinline, noclone)) void tailcall (int x) { mayret (x); } int main (void) { tailcall (1); return 0; }