ref: 6ae1553550ce5ed7780482765cabacc3fa29a50d dir: /tests/execute/0172-hexa.c/
int main(void) { return 0xa == 0xA && 0xb == 0xB && 0xc == 0xC && 0xd == 0xD && 0xe == 0xE && 0xf == 0xF; }