1  /* PR c/78973 - warning: ‘memcpy’: specified size exceeds maximum object size
       2  
       3     Test case for what was initially thought to be a false positive but after
       4     deeper investigation turned out to be a true positive.
       5  
       6     { dg-do compile }
       7     { dg-options "-O2 -Wall" } */
       8  
       9  static void f (void *p, int n)
      10  {
      11    if (n <= 4)
      12      __builtin_memset (p, 0, n);   /* { dg-warning "exceeds maximum object size" "pr79073" { xfail { int16 && { ! msp430_large } } } } */
      13  }
      14  
      15  void g (void *d, unsigned n)
      16  {
      17    if (n < 5)
      18      n = 5;
      19    f (d, n);
      20  }