opt26.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 22 行

#include "fail.h"
#include <stdlib.h>

// can't believe this stupid thing was actually a bug for n releases (n > 4)

int main()
{
    int a, b, c, d, e, f;

    a = 1; b = 5; c = 2;

    if( ( a = b ) || 1 ) c = 6;
    if( ( a != 5 ) || ( b != 5 ) || ( c != 6 ) ) _fail;

    d = 1; e = 5; f = 2;

    if( ( d = e ) && 0 ) f = 6;
    if( ( d != 5 ) || ( e != 5 ) || ( f == 6 ) ) _fail;

    _PASS;
}