1  /* { dg-do compile } */
       2  /* { dg-require-effective-target alloca } */
       3  /* { dg-options "-Wvla-larger-than=100 -O2" } */
       4  
       5  typedef __SIZE_TYPE__ size_t;
       6  
       7  extern void useit (char *);
       8  
       9  int num;
      10  
      11  void test_vlas (size_t num)
      12  {
      13    char str2[num];		/* { dg-warning "unbounded use" } */
      14    useit(str2);
      15  
      16    num = 98;
      17    for (int i=0; i < 1234; ++i) {
      18      char str[num];	        // OK, VLA in a loop, but it is a
      19  				// known size *AND* the compiler takes
      20  				// care of cleaning up between
      21  				// iterations with
      22  				// __builtin_stack_restore.
      23      useit(str);
      24    }
      25  }