{
value_type __data_[__min_cap];
unsigned char __padding_[sizeof(value_type) - 1];
- size_type __size_ : 7;
- size_type __is_long_ : 1;
+ unsigned char __size_ : 7;
+ unsigned char __is_long_ : 1;
};
// The __endian_factor is required because the field we use to store the size
struct __short
{
- size_type __is_long_ : 1;
- size_type __size_ : 7;
+ unsigned char __is_long_ : 1;
+ unsigned char __size_ : 7;
char __padding_[sizeof(value_type) - 1];
value_type __data_[__min_cap];
};
#endif // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
+ static_assert(sizeof(__short) == (sizeof(value_type) * (__min_cap + 1)), "__short has an unexpected size.");
+
union __ulx{__long __lx; __short __lxx;};
enum {__n_words = sizeof(__ulx) / sizeof(size_type)};