1  /* Test C2x enumerations with values not representable in int.  Test overflow
       2     of __int128 is diagnosed.  */
       3  /* { dg-do compile { target { int128 } } } */
       4  /* { dg-options "-std=c2x" } */
       5  
       6  enum e1 { e1a = (__int128) (((unsigned __int128) -1) >> 1), e1b }; /* { dg-error "overflow in enumeration values" } */
       7  
       8  enum e2 { e2a = (unsigned __int128) -1, e2b }; /* { dg-error "overflow in enumeration values" } */
       9  
      10  /* Likewise, when it's the enum as a whole that can't fit in __int128 or
      11     unsigned __int128, but the individual enumerators fit (some fitting __int128
      12     and some fitting unsigned __int128).  */
      13  enum e3 { e3a = -(__int128) (((unsigned __int128) -1) >> 1) - 1,
      14  	  e3b = (unsigned __int128) -1 }; /* { dg-warning "enumeration values exceed range of largest integer" } */