1  /* { dg-do compile } */
       2  /* { dg-options "-Wstack-usage=512" } */
       3  /* { dg-require-effective-target untyped_assembly } */
       4  
       5  int foo1 (void)  /* { dg-bogus "stack usage" } */
       6  {
       7    char arr[16];
       8    arr[0] = 1;
       9    return 0;
      10  }
      11  
      12  int foo2 (void)  /* { dg-warning "stack usage is \[0-9\]* bytes" } */
      13  {
      14    char arr[1024];
      15    arr[0] = 1;
      16    return 0;
      17  }
      18  
      19  /* The actual warning depends on whether stack space is allocated dynamically
      20     or statically.  */
      21  int foo3 (void) /* { dg-warning "stack usage (might be)|(is) \[0-9\]* bytes" } */
      22  {
      23    char arr[1024] __attribute__((aligned (512)));
      24    arr[0] = 1;
      25    /* Force dynamic realignment of argument pointer.  */
      26    __builtin_apply ((void (*)()) foo2, 0, 0);
      27    return 0;
      28  }
      29  
      30  int foo4 (int n) /* { dg-warning "stack usage might be unbounded" } */
      31  {
      32    char arr[n];
      33    arr[0] = 1;
      34    return 0;
      35  }