From: Alan Shutko <ats@acm.org>
To: Marco Colombo <marco@esi.it>
Cc: Linus Torvalds <torvalds@transmeta.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] More compile warning fixes for 2.4.0
Date: 10 Jan 2001 11:52:56 -0500 [thread overview]
Message-ID: <874rz7pcwn.fsf@wesley.springies.com> (raw)
In-Reply-To: <Pine.LNX.4.21.0101101619230.16888-100000@Megathlon.ESI>
In-Reply-To: <Pine.LNX.4.21.0101101619230.16888-100000@Megathlon.ESI>
Marco Colombo <marco@esi.it> writes:
> But what happens if I delete the stm1 line? We have:
>
> case xxx:
> /* fallthrough */
> case yyy:
> stm2;
>
> which is wrong.
AFAIK, that's perfectly correct. It's only the case where you have a
label at the end of a block (without a statement following it) where
it's an error.
In the grammar, a statement must follow a label, but a
labeled-statement is a type of statement, so you can stack labels as
much as you want, as long as there's a statement somewhere after them.
That is, assuming I'm reading the standard right (ISO/IEC 9899:1990,
Section 6.6, 6.6.1).
--
Alan Shutko <ats@acm.org> - In a variety of flavors!
Programmers do it bit by bit.
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next prev parent reply other threads:[~2001-01-10 16:53 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-07 2:40 [PATCH] More compile warning fixes for 2.4.0 Rich Baum
2001-01-07 12:41 ` Paul Gortmaker
2001-01-07 13:17 ` Keith Owens
2001-01-08 19:50 ` Erik Mouw
2001-01-08 20:17 ` Alan Cox
2001-01-09 5:30 ` Richard Henderson
2001-01-09 10:02 ` Albert D. Cahalan
2001-01-09 15:10 ` Richard B. Johnson
2001-01-09 18:51 ` Linus Torvalds
2001-01-09 21:24 ` Albert D. Cahalan
2001-01-09 21:31 ` Linus Torvalds
2001-01-10 2:20 ` Andrea Arcangeli
2001-01-10 7:10 ` Linus Torvalds
2001-01-10 13:17 ` Rich Baum
2001-01-10 13:32 ` Andrea Arcangeli
2001-01-10 16:03 ` Marco Colombo
2001-01-10 16:52 ` Alan Shutko [this message]
2001-01-10 17:32 ` Marco Colombo
2001-01-10 17:19 ` Linus Torvalds
2001-01-10 18:02 ` Marco Colombo
2001-01-10 1:58 ` Rich Baum
2001-01-09 1:23 ` Rich Baum
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