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