| /* Copyright (C) 2008-2021 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/>.  */ | 
 |  | 
 | #ifdef __GNUC__ | 
 | # define ATTR __attribute__((always_inline)) | 
 | #else | 
 | # define ATTR | 
 | #endif | 
 |  | 
 | extern int x, y; | 
 | extern volatile int z; | 
 |  | 
 | void bar(void) | 
 | { | 
 |   x += y; /* set breakpoint 1 here */ | 
 | } | 
 |  | 
 | void marker(void) | 
 | { | 
 |   x += y - z; /* set breakpoint 2 here */ | 
 | } | 
 |  | 
 | inline ATTR void inlined_fn(void) | 
 | { | 
 |   x += y + z; | 
 | } | 
 |  | 
 | void noinline(void) | 
 | { | 
 |   inlined_fn (); /* inlined */ | 
 | } |