gdb/testsuite/gdb.cp/cold-clone.cc

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2021-2022 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
  18 #include <stdlib.h>
  19 #include "../lib/attributes.h"
  20
  21 int a;
  22 int b;
  23 int c;
  24
  25 static int __attribute__((used, noinline)) ATTRIBUTE_NOCLONE
  26 foo (void)
  27 {
  28   a = 2;
  29   if (b)
  30     abort ();
  31
  32   return c;
  33 }
  34
  35 static int __attribute__((used, noinline)) ATTRIBUTE_NOCLONE
  36 bar (void)
  37 {
  38   a = 1;
  39   if (c)
  40     abort ();
  41   return b;
  42 }
  43
  44 int
  45 main (int argc, char **argv __attribute__((unused)))
  46 {
  47   b = argc * 2;
  48   c = argc / 2;
  49
  50   if (b + c == 5)
  51     abort ();
  52
  53   return foo () + bar ();
  54 }