c++ builder XE4, 10.2 Tokyo > 0b0001でコンパイルエラー > E2293) が必要

C++ Builder XE4
Rad Studio 10.2 Tokyo Update 2 (追記: 2017/12/27)

#include <stdio.h>
#include <stdint.h>

#define ALERT1_CHECK (0b0001)
#define ALERT2_CHECK (0b0010)
#define ALERT3_CHECK (0b0100)
#define ALERT4_CHECK (0b1000)

int main(void) {
    uint8_t ret = 0;

    ret |= ALERT1_CHECK;
    ret |= ALERT2_CHECK;
    ret |= ALERT3_CHECK;
    ret |= ALERT4_CHECK;

    printf("%x\n", ret);
    return 0;
}