From 7013eccc052228044faa0103ca596ed75ea2a70e Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume1.gomez@gmail.com>
Date: Thu, 23 Nov 2023 17:05:33 +0100
Subject: [PATCH] Add missing code comment

---
 build_system/src/test.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/build_system/src/test.rs b/build_system/src/test.rs
index 16f01a1ba2de..7ab4767e405d 100644
--- a/build_system/src/test.rs
+++ b/build_system/src/test.rs
@@ -794,6 +794,7 @@ fn extended_regex_tests(env: &Env, args: &TestArg) -> Result<(), String> {
     // FIXME: create a function "display_if_not_quiet" or something along the line.
     println!("[TEST] rust-lang/regex tests");
     let mut env = env.clone();
+    // newer aho_corasick versions throw a deprecation warning
     env.insert("CG_RUSTFLAGS".to_string(), "--cap-lints warn".to_string());
     run_cargo_command(
         &[