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From: "Hans-Bernhard Bröker" <HBBroeker@t-online.de>
To: cygwin@cygwin.com
Subject: Re: ssize_t
Date: Thu, 22 Dec 2016 20:51:00 -0000	[thread overview]
Message-ID: <75c5307a-2c10-dfbb-5c9d-08f52e3e0db8@t-online.de> (raw)
In-Reply-To: <deac8be3-fa7b-1716-0f2b-6974b183ba26@gmail.com>

Am 22.12.2016 um 20:39 schrieb Marco Atzeri:

> building latest Imagemagick, the test for ssize_t is now failing with a
> puzzling
>
>  $ gcc  ssize_t.c -o ssize_t
> ssize_t.c: In function ‘main’:
> ssize_t.c:115:22: error: expected expression before ‘)’ token
>  if (sizeof ((ssize_t)))
>                       ^
>
> any clue what to look for ?


The test case reduces to a very simple one-liner:

int bar = sizeof((int));

Replacing the double (()) by single () gets rid of the miscompilation.

That looks like a bona fide GCC bug.

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  parent reply	other threads:[~2016-12-22 20:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-22 19:40 ssize_t Marco Atzeri
2016-12-22 20:14 ` ssize_t Eric Blake
2016-12-22 20:19   ` ssize_t Eric Blake
2016-12-22 22:25     ` ssize_t Marco Atzeri
2016-12-22 20:51 ` Hans-Bernhard Bröker [this message]
2016-12-22 21:11   ` ssize_t Eric Blake

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