/* This testcase is part of GDB, the GNU debugger. Copyright 2014-2018 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 struct s { int m; }; struct ss { struct s a; struct s b; }; void init_s (struct s *s, int m) { s->m = m; } void init_ss (struct ss *s, int a, int b) { init_s (&s->a, a); init_s (&s->b, b); } void foo (int x, struct ss ss) { x = ss.a.m; /* break-here */ } int main () { struct ss ss; init_ss (&ss, 1, 2); foo (42, ss); return 0; }