stdout:

stderr:
/home/wangfiox/Documents/database/functional_c/sy/51_short_circuit3.sy:16:31: warning: if statement has empty body [-Wempty-body]
    if (set_a(0) && set_b(1)) ;
                              ^
/home/wangfiox/Documents/database/functional_c/sy/51_short_circuit3.sy:16:31: note: put the semicolon on a separate line to silence this warning
/home/wangfiox/Documents/database/functional_c/sy/51_short_circuit3.sy:22:29: warning: if statement has empty body [-Wempty-body]
    if (c >= 1 && set_d(3)) ;
                            ^
/home/wangfiox/Documents/database/functional_c/sy/51_short_circuit3.sy:22:29: note: put the semicolon on a separate line to silence this warning
/home/wangfiox/Documents/database/functional_c/sy/51_short_circuit3.sy:40:25: warning: self-comparison always evaluates to false [-Wtautological-compare]
    if (i0 == !i1 && i3 < i3 || i4 >= i4) { putch(74); }
                        ^
/home/wangfiox/Documents/database/functional_c/sy/51_short_circuit3.sy:40:36: warning: self-comparison always evaluates to true [-Wtautological-compare]
    if (i0 == !i1 && i3 < i3 || i4 >= i4) { putch(74); }
                                   ^
/home/wangfiox/Documents/database/functional_c/sy/51_short_circuit3.sy:41:25: warning: self-comparison always evaluates to false [-Wtautological-compare]
    if (i0 == !i1 || i3 < i3 && i4 >= i4) putch(75);
                        ^
/home/wangfiox/Documents/database/functional_c/sy/51_short_circuit3.sy:41:36: warning: self-comparison always evaluates to true [-Wtautological-compare]
    if (i0 == !i1 || i3 < i3 && i4 >= i4) putch(75);
                                   ^
6 warnings generated.