From 959b556aac8c331e8857a5813aa8a1e3f39a0ba5 Mon Sep 17 00:00:00 2001
From: hsutter <herb.sutter@gmail.com>
Date: Thu, 2 May 2019 11:06:03 -0700
Subject: [PATCH] Restored cached_computation description

---
 CppCoreGuidelines.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index 5b57554..0091ecd 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -13820,6 +13820,8 @@ However, over time, code fragments can turn up in unexpected places.
         return result;
     }
 
+Although `cached_computation` works perfectly in a single-threaded environment, in a multi-threaded environment the two `static` variables result in data races and thus undefined behavior.
+
 There are several ways that this example could be made safe for a multi-threaded environment:
 
 * Delegate concurrency concerns upwards to the caller.