gcc/testsuite/gcc.c-torture/execute/20010209-1.c

   1 /* { dg-require-effective-target alloca } */
   2 int b;
   3 int foo (void)
   4 {
   5   int x[b];
   6   int bar (int t[b])
   7   {
   8     int i;
   9     for (i = 0; i < b; i++)
  10       t[i] = i + (i > 0 ? t[i-1] : 0);
  11     return t[b-1];
  12   }
  13   return bar (x);
  14 }
  15
  16 int main ()
  17 {
  18   b = 6;
  19   if (foo () != 15)
  20     abort ();
  21   exit (0);
  22 }