From 9c05fc4c31edde34a68317b45fdd71510d868f60 Mon Sep 17 00:00:00 2001
From: Ben Gamari <bgamari.foss@gmail.com>
Date: Fri, 29 Sep 2017 23:29:47 -0400
Subject: user-guide: Document -Weverything

[skip ci]

Reviewers: hvr, austin, dfeuer

Reviewed By: dfeuer

Subscribers: rwbarton, thomie

GHC Trac Issues: #14284

Differential Revision: https://phabricator.haskell.org/D4043
---
 docs/users_guide/using-warnings.rst | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/docs/users_guide/using-warnings.rst b/docs/users_guide/using-warnings.rst
index 39d7de4147..15b6301ab9 100644
--- a/docs/users_guide/using-warnings.rst
+++ b/docs/users_guide/using-warnings.rst
@@ -79,6 +79,13 @@ The following flags are simple ways to select standard "packages" of warnings:
         * :ghc-flag:`-Widentities`
         * :ghc-flag:`-Wredundant-constraints`
 
+.. ghc-flag:: -Weverything
+    :shortdesc: enable all warnings supported by GHC
+    :type: dynamic
+    :category:
+
+    Turns on every single warning supported by the compiler.
+
 .. ghc-flag:: -Wcompat
     :shortdesc: enable future compatibility warnings
         (details in :ref:`options-sanity`)
-- 
cgit v1.2.1