From: Paolo Carlini <pcarlini@gmail.com>
To: Jason Merrill <jason@redhat.com>
Cc: Jonathan Wakely <jwakely.gcc@gmail.com>,
Michael Meissner <meissner@linux.vnet.ibm.com>,
Ralf Corsepius <ralf.corsepius@rtems.org>,
"gcc@gcc.gnu.org" <gcc@gcc.gnu.org>,
JoelSherrill <joel.sherrill@oarcorp.com>
Subject: Re: cc1: warning: unrecognized command line option "-Wno-narrowing"
Date: Tue, 08 Nov 2011 22:51:00 -0000 [thread overview]
Message-ID: <B2E5BC8A-753C-492D-AAF8-1C1219C0C314@gmail.com> (raw)
In-Reply-To: <4EB99613.3000105@redhat.com>
Hi,
> On 11/08/2011 03:22 PM, Paolo Carlini wrote:
>> I believe that the core issue is pretty clear: -Wno-narrowing disables a C++ only warning but somehow we are passing it also in a few C compiler invocations, thus the driver warns.
>
> No, it's accepted by the C front end too, it just has no effect.
I see. Actually I'm clear about the no effect thing and also that the warning isn't really worrisome. But I thought that the front end in general warns for such no effects warnings. I didn't really study the relevant code, to be honest.
Paolo
next prev parent reply other threads:[~2011-11-08 20:57 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-06 15:04 Ralf Corsepius
2011-11-08 20:23 ` Michael Meissner
2011-11-08 20:57 ` Jonathan Wakely
2011-11-08 22:01 ` Jason Merrill
2011-11-08 22:13 ` Paolo Carlini
2011-11-08 22:22 ` Jason Merrill
2011-11-08 22:51 ` Paolo Carlini [this message]
2011-11-09 0:27 ` Andreas Schwab
2011-11-09 8:04 ` Andreas Schwab
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