[cfe-dev] Ignoring compiler warnings without ignoring the group

David Blaikie via cfe-dev cfe-dev at lists.llvm.org
Sat Oct 13 18:38:52 PDT 2018

I don't believe there's a way to do that (disable diagnostics from a group,
but keep any subgroups enabled (or the opposite, I guess, etc)) - but it
does seem like a nice feature request/thing to think about.

On Sat, Oct 13, 2018 at 9:51 AM JVApen via cfe-dev <cfe-dev at lists.llvm.org>

> Hello all,
> Clang has wonderful diagnostics! Unfortunately when you enable them on a
> code-base of several years old, a lot get triggered. In order to phase the
> path to a better world, we have all warnings enabled (as error).
> With this, we disable (and document) the warnings we don't want and keep
> track of those not yet investigated.
> For example:
> *#pragma clang diagnostic ignored "-Wparentheses"
> // using the result of an assignment as a condition without parentheses*
> However, when removing this line, I get the following warning:
> *error: '&&' within '||' [-Werror,-Wlogical-op-parentheses]*
> I'm aware of the 'diagnostic groups', which is causing this.
> However, I do am wondering if their is a way to disable these groups and
> indicate that we only want the warning ignored without the elements in that
> group.
> Any suggestions?
> JVApen
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