ref: 8e416b79aff3f1e84d5b6255f3bb3435e3e2352e dir: /tests/execute/0172-hexa.c/
int main(void) { return 0xa == 0xA && 0xb == 0xB && 0xc == 0xC && 0xd == 0xD && 0xe == 0xE && 0xf == 0xF; }