gcc/testsuite/gcc.dg/vla-stexp-9.c

   1 /* PR91038 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2 -Wunused-variable" } */
   4
   5
   6
   7 void foo(void)
   8 {
   9         if (2 * sizeof(int) != sizeof((*({ int N = 2; int (*x)[9][N] = 0; x; })[1])))
  10                 __builtin_abort();
  11 }
  12
  13 void bar(void)
  14 {
  15         if (2 * sizeof(int) != sizeof((*({ int N = 2; int (*x)[9][N] = 0; x; })[0])))
  16                 __builtin_abort();
  17 }
  18
  19 void bar0(void)
  20 {
  21         if (2 * 9 *  sizeof(int) != sizeof((*({ int N = 2; int (*x)[9][N] = 0; x; }))))
  22                 __builtin_abort();
  23 }
  24
  25 void bar11(void)
  26 {
  27         sizeof(*((*({ int N = 2; int (*x)[9][N] = 0; x; }) + 0)));
  28 }
  29
  30 void bar12(void)
  31 {
  32         if (2 * sizeof(int) != sizeof(*((*({ int N = 2; int (*x)[9][N] = 0; x; })    ))))
  33                 __builtin_abort();
  34 }
  35
  36 void bar1(void)
  37 {
  38         if (2 * sizeof(int) != sizeof(*((*({ int N = 2; int (*x)[9][N] = 0; x; }) + 0))))
  39                 __builtin_abort();
  40 }
  41
  42
  43
  44
  45 int main()
  46 {
  47         foo();
  48         bar0();
  49         bar12();
  50         bar1();
  51         bar();
  52 }
  53