gcc/testsuite/gcc.c-torture/execute/20040811-1.c

   1 /* Ensure that we deallocate X when branching back before its
   2    declaration.  */
   3
   4 void *volatile p;
   5
   6 int
   7 main (void)
   8 {
   9   int n = 0;
  10  lab:;
  11   int x[n % 1000 + 1];
  12   x[0] = 1;
  13   x[n % 1000] = 2;
  14   p = x;
  15   n++;
  16   if (n < 1000000)
  17     goto lab;
  18   return 0;
  19 }