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Subject: Re: ssize_t
To: cygwin AT cygwin DOT com
References: <deac8be3-fa7b-1716-0f2b-6974b183ba26 AT gmail DOT com>
From: =?UTF-8?Q?Hans-Bernhard_Br=c3=b6ker?= <HBBroeker AT t-online DOT de>
Message-ID: <75c5307a-2c10-dfbb-5c9d-08f52e3e0db8@t-online.de>
Date: Thu, 22 Dec 2016 21:51:06 +0100
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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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