gcc/testsuite/gcc.dg/c11-enum-2.c

   1 /* Test C23 enumerations with values not representable in int are diagnosed for
   2    C11.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=c11 -pedantic" } */
   5
   6 enum e1 { e1a = -__LONG_LONG_MAX__ - 1 }; /* { dg-warning "ISO C restricts enumerator values" } */
   7
   8 enum e2 { e2a = __LONG_LONG_MAX__ }; /* { dg-warning "ISO C restricts enumerator values" } */
   9
  10 enum e3 { e3a = (unsigned int) -1 }; /* { dg-warning "ISO C restricts enumerator values" } */
  11
  12 enum e4 { e4a = (long long) -__INT_MAX__ - 1, e4b = (unsigned int) __INT_MAX__ };
  13
  14 enum e5 { e5a = __INT_MAX__, e5b }; /* { dg-warning "ISO C restricts enumerator values" } */