1  /* { dg-do compile } */
       2  /* { dg-options "-Wdate-time" } */
       3  
       4  const char time[] = __TIME__;  /* { dg-warning "might prevent reproducible builds" }  */
       5  const char date[] = __DATE__;  /* { dg-warning "might prevent reproducible builds" }  */
       6  const char timestamp[] = __TIMESTAMP__;  /* { dg-warning "might prevent reproducible builds" }  */