validation/enum-bitwise.c

   1 #define __bitwise __attribute__((bitwise))
   2 #define __force   __attribute__((force))
   3
   4 typedef long long __bitwise bits;
   5
   6 enum r {
   7         RZ = (__force bits) 0,
   8         RO = (__force bits) 1,
   9         RM = (__force bits) -1,
  10 };
  11
  12 _Static_assert([typeof(RZ)] == [bits], "RZ");
  13 _Static_assert([typeof(RO)] == [bits], "RO");
  14 _Static_assert([typeof(RM)] == [bits], "RM");
  15 _Static_assert(sizeof(enum r) == sizeof(bits), "bits");
  16
  17 /*
  18  * check-name: enum-bitwise
  19  */