From e8edfef3607ec56fbf12b9c61cf4a222c353fcd6 Mon Sep 17 00:00:00 2001
From: Kazuhiko Kikuchi <kazuk.dll@kazuk.jp>
Date: Thu, 3 Mar 2022 08:01:57 +0900
Subject: [PATCH] rustc option "instrument-coverage" stabilized

https://github.com/rust-lang/rust/pull/90132
---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 0dddb968b..3066ae313 100644
--- a/README.md
+++ b/README.md
@@ -174,7 +174,7 @@ RUSTC_BOOTSTRAP=1`, which basically turns your stable rustc into a Nightly one.
 2. Ensure that the following environment variable is set up:
 
    ```sh
-   export RUSTFLAGS="-Zinstrument-coverage"
+   export RUSTFLAGS="-C instrument-coverage"
    ```
 
 3. Build your code: