From d57b2a652538984448da91390331806d530ecfce Mon Sep 17 00:00:00 2001
From: Victor Zverovich <viz@fb.com>
Date: Sun, 8 Aug 2021 09:13:41 -0700
Subject: [PATCH] Suppress a warning

---
 include/fmt/chrono.h | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/include/fmt/chrono.h b/include/fmt/chrono.h
index c024fd71..f3bf422d 100644
--- a/include/fmt/chrono.h
+++ b/include/fmt/chrono.h
@@ -308,7 +308,17 @@ inline auto do_write(const std::tm& time, const std::locale& loc, char format,
 #else
   using code_unit = char32_t;
 #endif
-  auto& f = std::use_facet<std::codecvt<code_unit, char, std::mbstate_t>>(loc);
+
+  using codecvt = std::codecvt<code_unit, char, std::mbstate_t>;
+#if FMT_CLANG_VERSION
+#  pragma clang diagnostic push
+#  pragma clang diagnostic ignored "-Wdeprecated"
+  auto& f = std::use_facet<codecvt>(loc);
+#  pragma clang diagnostic pop
+#else
+  auto& f = std::use_facet<codecvt>(loc);
+#endif
+
   auto mb = std::mbstate_t();
   const char* from_next = nullptr;
   code_unit* to_next = nullptr;