From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mike Haertel <mike@ducky.net>
Message-Id: <200107161834.f6GIYtl10556@ducky.net>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] another compiler bug (another try to send this coherently)
In-Reply-To: <3B512D07.97B5B213@null.net>
Date: Mon, 16 Jul 2001 11:34:55 -0700
Topicbox-Message-UUID: cf1ca77c-eac9-11e9-9e20-41e7f4b1d025

>Mike Haertel wrote:
>> On a conforming implementation with 32-bit ints, this
>> program should print "-1 -1".
>>         static unsigned char tab[1] = { 0x80 };
>>         static int x = 0x80;
>>         printf("%d %d\n", tab[0] << 24 >> 31, x << 24 >> 31);
>
>How do you figure that?  The promoted tab[0] (signed int) or x
>left-shifted 24 places sets the sign bit, and right-shifting a
>negative value is implementation-defined.

Sorry, my mistake.

Whatever it prints, it should print the same number twice,
not two different values.