gcc/testsuite/gcc.c-torture/execute/vla-dealloc-1.c

   1 /* VLAs should be deallocated on a jump to before their definition,
   2    including a jump to a label in an inner scope.  PR 19771.  */
   3
   4 #if (__SIZEOF_INT__ <= 2)
   5 #define LIMIT 10000
   6 #else
   7 #define LIMIT 1000000
   8 #endif
   9
  10 void *volatile p;
  11
  12 int
  13 main (void)
  14 {
  15   int n = 0;
  16   if (0)
  17     {
  18     lab:;
  19     }
  20   int x[n % 1000 + 1];
  21   x[0] = 1;
  22   x[n % 1000] = 2;
  23   p = x;
  24   n++;
  25   if (n < LIMIT)
  26     goto lab;
  27   return 0;
  28 }