From: Andreas Schwab <schwab@linux-m68k.org>
Date: Mon, 07 Nov 2011 13:12:28 GMT
Subject: Re: [PATCH 3/3] grep: get rid of useless x < 0 comparison on an enum member
Message-ID: <m3pqh4krer.fsf@hase.home>
In-Reply-To: <CACBZZX6CRm1W5i43=LeXPJFdcWFgVTkD8cGntHoKsPoWGx_hNg@mail.gmail.com>

Ævar Arnfjörð Bjarmason <avarab@gmail.com> writes:

> I.e. we'll always have GREP_HEADER_AUTHOR = 0 and
> GREP_HEADER_COMMITTER = 1, we'll never have GREP_HEADER_AUTHOR = and
> GREP_HEADER_COMMITTER = <some int>.

That is irrelevant.  You can always assign -1 to an object of enumerated
type and the implicit conversion to the underlying type is fully
defined, no matter what type the compiler choses.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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