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From: Jonathan Wakely <jwakely.gcc@gmail.com>
Date: Tue, 22 Feb 2022 16:14:03 +0000
Message-ID: <CAH6eHdQZGgUNq2BPQjmfjc16-cXqex2eQW9K51ipqkuFtj_DSQ@mail.gmail.com>
Subject: Re: Doubt regarding dg-directives
To: Krishna Narayanan <krishnanarayanan132002@gmail.com>
Cc: gcc-help <gcc-help@gcc.gnu.org>
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On Tue, 22 Feb 2022 at 15:38, Krishna Narayanan wrote:

> Yes, it does.
> I used dg-warning and not dg warning (that was a sheer typing mistake).
> The warning is about the uninitialized variable being used in the
> testcase yet there is no warning on that line and the test results in
> FAIL.
> I used /* { dg-warning "uninitialized" } */ on that particular line.I
> used the test in gcc.dg, with other directive /* { dg-options "-O2" }
> */ .
> Can you help me where I went wrong?
>

Don't you need -Wuninitialized in the dg-options as well?

Like Segher said, show us the test. Asking us to debug your test without
seeing it is going to be slow.