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      1 /* This testcase is part of GDB, the GNU debugger.
      2 
      3    Copyright 2020-2024 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 volatile int global_var = 0;
     19 
     20 /* Dummy main function.  */
     21 
     22 int
     23 main()
     24 {
     25   asm ("main_label: .globl main_label");
     26   ++global_var;
     27   return 0;	/* Breakpoint here.  */
     28 }
     29