From ab6e9a44ba8011d537cb71381c2a41a5e3354507 Mon Sep 17 00:00:00 2001
From: Florian Hahn <flo@fhahn.com>
Date: Tue, 18 Jan 2022 08:53:57 +0000
Subject: [PATCH] [Chrono] Add missing include <ratio>.

The file uses std::ratio without including the correct header.
Previously ratio was indirectly provided through chrono in libc++ but
that's not the case any longer.

This should fix a build failure with modules enabled:
https://green.lab.llvm.org/green/job/clang-stage2-Rthinlto/5185/console
---
 llvm/include/llvm/Support/Chrono.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/include/llvm/Support/Chrono.h b/llvm/include/llvm/Support/Chrono.h
index 629a37a..9c2bd45 100644
--- a/llvm/include/llvm/Support/Chrono.h
+++ b/llvm/include/llvm/Support/Chrono.h
@@ -14,6 +14,7 @@
 
 #include <chrono>
 #include <ctime>
+#include <ratio>
 
 namespace llvm {
 
-- 
2.7.4