gdb/testsuite/gdb.cp/vla-cxx.cc

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2014-2018 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 struct container;
  19
  20 struct element
  21 {
  22   container &c;
  23
  24   element(container &cc) : c (cc) { }
  25 };
  26
  27 struct container
  28 {
  29   element e;
  30
  31   container() : e(*this) { }
  32 };
  33
  34 int main(int argc, char **argv)
  35 {
  36   int z = 3;
  37   // Note that this is a GNU extension.
  38   int vla[z];
  39   typeof (vla) &vlaref (vla);
  40   typedef typeof (vla) &vlareftypedef;
  41   vlareftypedef vlaref2 (vla);
  42   container c;
  43
  44   for (int i = 0; i < z; ++i)
  45     vla[i] = 5 + 2 * i;
  46
  47   // vlas_filled
  48   vla[0] = 2 * vla[0];
  49   return vla[2];
  50 }