From 2313e583930bd0bd8eeec18afc8d72c4b8350093 Mon Sep 17 00:00:00 2001
From: Linus Groh <mail@linusgroh.de>
Date: Sun, 6 Dec 2020 16:49:30 +0000
Subject: [PATCH] AK: Make Formatter<StringView> not choke on Mode::Character

Formatter<char> internally uses Formatter<StringView> when in
Mode::Character, but that would only accept Mode::{Default,String} and
ASSERT_NOT_REACHED() otherwise, causing String::formatted("{:c}", 'a')
to crash
---
 AK/Format.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/AK/Format.cpp b/AK/Format.cpp
index 567d072154..7fa10d3268 100644
--- a/AK/Format.cpp
+++ b/AK/Format.cpp
@@ -522,7 +522,7 @@ void Formatter<StringView>::format(TypeErasedFormatParams& params, FormatBuilder
         ASSERT_NOT_REACHED();
     if (m_zero_pad)
         ASSERT_NOT_REACHED();
-    if (m_mode != Mode::Default && m_mode != Mode::String)
+    if (m_mode != Mode::Default && m_mode != Mode::String && m_mode != Mode::Character)
         ASSERT_NOT_REACHED();
     if (m_width != value_not_set && m_precision != value_not_set)
         ASSERT_NOT_REACHED();