gdb/testsuite/gdb.dwarf2/dw2-weird-type-len.c

/* This testcase is part of GDB, the GNU debugger.

   Copyright 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/>.  */

struct foo_t
{
  int field : 24;
};

struct bar_t
{
  struct foo_t f;
};

struct bar_t
get_bar ()
{
  asm ("get_bar_label: .globl get_bar_label");
  struct bar_t b;

  b.f.field = 0;

  return b;
}

int
main ()
{
  asm ("main_label: .globl main_label");
  struct bar_t b = get_bar ();
  return b.f.field;
}