1  /* Test that use of strncpy does not result in a "value computed is
       2     not used" warning.  */
       3  /* { dg-do compile } */
       4  /* { dg-options "-O2 -Wall -Wno-stringop-truncation" } */
       5  
       6  #include <string.h>
       7  void
       8  f (char *s)
       9  {
      10    strncpy (s, "::", 2);
      11  }