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Re: [RFC] -Weverything

From: Thomas König <tk at tkoenig dot net>
To: Jonathan Wakely <jwakely dot gcc at gmail dot com>
Cc: Franz Sirl <Franz dot Sirl-kernel at lauterbach dot com>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>, Thomas Koenig <tkoenig at netcologne dot de>, "fortran at gcc dot gnu dot org" <fortran at gcc dot gnu dot org>
Date: Wed, 23 Jan 2019 14:26:08 +0100
Subject: Re: [RFC] -Weverything
References: <80e1821d-b6da-c6b6-2bf2-29734f5fd34e@netcologne.de> <alpine.DEB.2.21.1901221941490.21659@stedding.saclay.inria.fr> <CAH6eHdTgVFw_XOAbDP6HwGTRJ0pBtYVt9hSXkWV3EQZRoBeKpw@mail.gmail.com> <12c2c542-28a0-df4a-48a6-ac3a83001d34@lauterbach.com> <CAH6eHdT--ma--8V=O+tfa6JNigo5u4ukhGZSZwV4xLeryFn9qw@mail.gmail.com>


> Am 23.01.2019 um 12:36 schrieb Jonathan Wakely <jwakely.gcc@gmail.com>:
> 
> When there are new warnings that aren't enabled by -Wall -Wextra,
> there's probably a reason they aren't enabled by default.

-Wconversion-extra is an example of such a warning.

It catches a very common error people make in Fortran, see https://gcc.gnu.org/ml/fortran/2019-01/msg00178.html for a false bug report which it would have caught early.

We left it out of -Wextra because people felt it was too noisy.

Follow-Ups:
- Re: [RFC] -Weverything
  - From: Paul Richard Thomas
- Re: [RFC] -Weverything
  - From: N.M. Maclaren

References:
- [RFC] -Weverything
  - From: Thomas Koenig
- Re: [RFC] -Weverything
  - From: Marc Glisse
- Re: [RFC] -Weverything
  - From: Jonathan Wakely
- Re: [RFC] -Weverything
  - From: Franz Sirl
- Re: [RFC] -Weverything
  - From: Jonathan Wakely

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