From 38791eec1879b0a66d6ae920cfd6b42d9ae66dee Mon Sep 17 00:00:00 2001
From: JosJuice <josjuice@gmail.com>
Date: Sun, 28 Jun 2020 18:22:18 +0200
Subject: [PATCH] Common: Never convert from UCS-2 in WStringToUTF8

Probably not something we would run into in practice since
Windows uses a separate implementation, but let's do it
for the sake of correctness.
---
 Source/Core/Common/StringUtil.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Source/Core/Common/StringUtil.cpp b/Source/Core/Common/StringUtil.cpp
index a8880d371b..e3c6f692f6 100644
--- a/Source/Core/Common/StringUtil.cpp
+++ b/Source/Core/Common/StringUtil.cpp
@@ -17,6 +17,7 @@
 #include <locale>
 #include <sstream>
 #include <string>
+#include <type_traits>
 #include <vector>
 
 #include <fmt/format.h>
@@ -574,7 +575,10 @@ std::string UTF8ToSHIFTJIS(std::string_view input)
 
 std::string WStringToUTF8(std::wstring_view input)
 {
-  std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter;
+  using codecvt = std::conditional_t<sizeof(wchar_t) == 2, std::codecvt_utf8_utf16<wchar_t>,
+                                     std::codecvt_utf8<wchar_t>>;
+
+  std::wstring_convert<codecvt, wchar_t> converter;
   return converter.to_bytes(input.data(), input.data() + input.size());
 }