From: Qing Zhao <qing.zhao@oracle.com>
To: gcc-patches <gcc-patches@gcc.gnu.org>
Subject: Re: HELP!!How to add a testing case to check a compilation time warning for "cc1"
Date: Wed, 3 Aug 2022 19:07:13 +0000 [thread overview]
Message-ID: <88271DAB-6E47-495A-96B4-FE779C71D192@oracle.com> (raw)
In-Reply-To: <EA1A39B3-1E13-402D-9F5E-48AF161D1BEF@oracle.com>
Never mind, just found how to do this:
/* { dg-warning "'-fstrict-flex-arrays' is not supported with a ISO C before C99, ignored" "" { target *-*-* } 0 } */
And worked.
thanks.
Qing
> On Aug 3, 2022, at 2:52 PM, Qing Zhao via Gcc-patches <gcc-patches@gcc.gnu.org> wrote:
>
> Hi,
>
> My private cc1 issued the following warning:
>
> [opc@qinzhao-ol8u3-x86 gcc]$ sh t
> cc1: warning: ‘-fstrict-flex-arrays’ is not supported with a ISO C before C99, ignored
>
>
> I’d like to add a testing case for this warning into gcc.dg directory, however, I cannot find a proper
> testing directive to catch this warning (which is not associated with any source line, so “dg-warning” didn’t work)
>
> I checked online internal doc: https://gcc.gnu.org/onlinedocs/gcc-12.1.0/gccint/Test-Directives.html
> Cannot find one.
>
> Does anyone know how to do this?
>
> Thanks a lot for your help.
>
> Qing
prev parent reply other threads:[~2022-08-03 19:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-03 18:52 Qing Zhao
2022-08-03 19:07 ` Qing Zhao [this message]
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