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From: Jonathan Wakely <jwakely.gcc@gmail.com>
Date: Thu, 3 Feb 2022 20:49:12 +0000
Message-ID: <CAH6eHdTO6igZRGbsMWcoijSrX9KdM4vRJoq=4E7PRqiKjE4Szw@mail.gmail.com>
Subject: Re: Doubts regarding the issue (bug 62181)
To: Krishna Narayanan <krishnanarayanan132002@gmail.com>
Cc: gcc-help <gcc-help@gcc.gnu.org>
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On Thu, 3 Feb 2022 at 18:46, Krishna Narayanan via Gcc-help
<gcc-help@gcc.gnu.org> wrote:
>
> Respected Sir/Madam,
> I have been working on an issue (bug 62181) [C/C++] Expected new warning:
> "adding 'char' to a string does not append to the string"
> [-Wstring-plus-int].This is asking for a warning being added to gcc for
> such a case.Not using concat and indexing which were mentioned earlier as a
> solution to the warning I tried the example given in  https://godbolt.org/
> and was trying different permutations of addresses and pointers in clang
> and gcc (trunk), I am not sure but I tried '-w' in compiler flags and it
> worked fine for both clang and gcc ,it did not show any warning.

-w means disables all warnings, so of course you didn't get any
warnings when you use it!

See the GCC manual.
https://gcc.gnu.org/onlinedocs/gcc/Option-Summary.html