1/* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2014-2020 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18void 19sentinel (void) 20{ 21 return; 22} 23 24int 25incr (int i) 26{ 27 sentinel (); 28 return i + 1; 29} 30 31int 32decr (int i) 33{ 34 sentinel (); 35 return i - 1; 36} 37 38int (*calc) (int) = incr; 39 40int 41main (void) 42{ 43 int i = -1; 44 45 i = calc (i); 46 i = calc (i); 47 i = calc (i); 48 49 return i; 50} 51