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From: Achim Gratz <Stromeko AT nexgo DOT de>
To: cygwin AT cygwin DOT com
Subject: Re: g++ doesn't diagnose implicit int error
References: <CAAHpriO62Lhm9-eGrmA17gFZNFGLEeUrAmeKE+yNvhvBjFgRAA AT mail DOT gmail DOT com>	<CAAHpriNaC5YMpuBkNuf92ABTZUAxJ6xi8pQo3kxuxNgqSywPFA AT mail DOT gmail DOT com>
Date: Tue, 11 Jun 2019 19:22:18 +0200
In-Reply-To: <CAAHpriNaC5YMpuBkNuf92ABTZUAxJ6xi8pQo3kxuxNgqSywPFA@mail.gmail.com>	(Keith Thompson's message of "Tue, 11 Jun 2019 00:48:10 -0700")
Message-ID: <87imtcnik5.fsf@Rainer.invalid>
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Keith Thompson writes:
> On Windows targets (including Cygwin and MinGW), the "-fms-extensions"
> option is enabled by default.  This option enables certain Microsoft
> extensions -- and apparently inhibits any diagnostics for implicit int.
>
> It is unfortunate, and arguably a bug, that this means that
> "g++ -std=c++11 -pedantic" fails to diagnose implicit int errors.
> I'm not sure whether this is a bug in gcc or in the way Windows
> versions of gcc are built.

In the case of Cygwin it is quite certainly a bug as Cygwin is not a
Windows target.


Regards,
Achim.
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