// Special g++ Options: -O int main() { unsigned int x = 1381237248; if (sizeof (x) != 4) return 0; x = ({ unsigned int y = x; ({ unsigned int z = y; (unsigned int) ((((unsigned int)z & (unsigned int)0x000000ffUL) << 24) | (((unsigned int)z & (unsigned int)0x0000ff00UL) << 8) | (((unsigned int)z & (unsigned int)0x00ff0000UL) >> 8) | (((unsigned int)z & (unsigned int)0xff000000UL) >> 24)); }); }); return x != 152658; }