From 8c7b7dd041d46248950d5eca640431eaf2545972 Mon Sep 17 00:00:00 2001
From: Joshua Nelson <jyn514@gmail.com>
Date: Fri, 9 Apr 2021 09:58:40 -0400
Subject: [PATCH] Fix perf regression in non-autolinks

Before, this was compiling the regex on every single item in the crate.

This would have been caught by `clippy::declare_interior_mutable_const`.
---
 src/librustdoc/passes/bare_urls.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/librustdoc/passes/bare_urls.rs b/src/librustdoc/passes/bare_urls.rs
index 3f2e1c68c55ab..524f266bcadd7 100644
--- a/src/librustdoc/passes/bare_urls.rs
+++ b/src/librustdoc/passes/bare_urls.rs
@@ -16,7 +16,7 @@ crate const CHECK_BARE_URLS: Pass = Pass {
     description: "detects URLs that are not hyperlinks",
 };
 
-const URL_REGEX: SyncLazy<Regex> = SyncLazy::new(|| {
+static URL_REGEX: SyncLazy<Regex> = SyncLazy::new(|| {
     Regex::new(concat!(
         r"https?://",                          // url scheme
         r"([-a-zA-Z0-9@:%._\+~#=]{2,256}\.)+", // one or more subdomains