gcc/testsuite/gcc.dg/c23-enum-5.c

   1 /* Test C23 enumerations with values not representable in int.  Test
   2    -Wc11-c23-compat warnings.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=c23 -pedantic-errors -Wc11-c23-compat" } */
   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__ };