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From: David Korn <dkorn@pixelpower.com>
To: gcc@gcc.gnu.org
Subject: RE: Is this a gcc bug?
Date: Thu, 11 Jan 2001 10:00:00 -0000	[thread overview]
Message-ID: <718D38CAB6E0D011B2C90060970C28A56425B0@EXCHANGESERVER> (raw)

>> > How about something like:
>> >         warning: 'x' may have unexpected value because of 
>side-effects
>> > or
>> >         warning: side-effects make value of 'x' undefined
>> > or
>> >         warning: undefined order of side-effects on 'x'
>> > One might replace "side-effects" by "updates" or "changes to".
>> 
>> How about, multiple side-effects on 'x' between sequence points?
>
>"sequence points" is standardese and doesn't mean anything to 
>most users.
>Even "side-effects" may be surprising -- I don't think a user thinks
>of the increment of x in x++ as a "side effect".
>
>How about:
>
>warning: the order of the modifications to 'x' is undefined

  How about:

warning: extra-nasal demons invoked on line #xxx, please report to 
comp.lang.c to be flamed.

       DaveK  <g>

ps. Of course, we'd be within the language spec to emit code to format the
user's hard drive at that point, but let's be merciful. Maybe it should
just kick off nethack, or compile a quick version of wumpus or somesuch....
-- 
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             reply	other threads:[~2001-01-11 10:00 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-01-11 10:00 David Korn [this message]
2001-01-11 21:36 ` Andy Walker
2001-01-13 18:45   ` Joern Rennecke
2001-01-14  2:21     ` Geoff Keating
  -- strict thread matches above, loose matches on Subject: below --
2008-06-16 13:01 Is this a GCC bug? Bingfeng Mei
2008-06-16 13:33 ` Bingfeng Mei
2001-01-17 23:30 Is this a gcc bug? Axel Kittenberger
2001-01-16 17:06 dewar
2001-01-14 16:14 dewar
2001-01-14 16:53 ` Dave Korn
2001-01-14  5:31 dewar
2001-01-14 15:51 ` Geoff Keating
2001-01-12 19:15 dewar
2001-01-12 19:29 ` Fergus Henderson
2001-01-12 19:14 dewar
2001-01-12 19:36 ` Alexandre Oliva
2001-01-12 18:21 dewar
2001-01-12 18:29 ` Joseph S. Myers
2001-01-12 18:49 ` Alexandre Oliva
2001-01-12 18:58 ` Fergus Henderson
2001-01-13 10:34 ` James Dennett
2001-01-16 17:01 ` Michael Eager
2001-01-17  3:21   ` Falk Hueffner
2001-01-17 14:57     ` Michael Eager
2001-01-12  1:18 Axel Kittenberger
2001-01-12 18:14 ` Alexandre Oliva
2001-01-12 19:11   ` Fergus Henderson
2001-01-13  3:21   ` Richard Earnshaw
2001-01-11 10:38 dewar
2001-01-11 10:30 dewar
2001-01-11 10:05 dewar
2001-01-11  7:07 dewar
2001-01-11  5:53 dewar
2001-01-11  6:06 ` Bernd Schmidt
2001-01-11  8:40   ` Per Bothner
2001-01-11  9:03     ` Richard Earnshaw
2001-01-11  9:27       ` Alexandre Oliva
2001-01-11  9:33       ` Joe Buck
2001-01-11  9:38         ` Bernd Schmidt
2001-01-11  9:44           ` Richard Earnshaw
2001-01-11 10:57     ` Neil Booth
2001-01-11  5:49 dewar
2001-01-11  3:04 David Korn
2001-01-11  2:11 Uros Bizjak
2001-01-11  3:04 ` Alexandre Oliva

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