From 53acfc3f8a52f9d26ce3ea3cdaea00345b1e9973 Mon Sep 17 00:00:00 2001
From: Mark Rousskov <mark.simulacrum@gmail.com>
Date: Fri, 13 Sep 2019 14:59:08 -0400
Subject: [PATCH] Utilize shared error codes rather than re-querying env

---
 src/librustdoc/html/render.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/librustdoc/html/render.rs b/src/librustdoc/html/render.rs
index e3f227e0cf4d..e66224c0b5e0 100644
--- a/src/librustdoc/html/render.rs
+++ b/src/librustdoc/html/render.rs
@@ -2123,7 +2123,7 @@ fn stability_tags(item: &clean::Item) -> String {
 /// documentation.
 fn short_stability(item: &clean::Item, cx: &Context) -> Vec<String> {
     let mut stability = vec![];
-    let error_codes = ErrorCodes::from(UnstableFeatures::from_environment().is_nightly_build());
+    let error_codes = cx.shared.codes;
 
     if let Some(Deprecation { note, since }) = &item.deprecation() {
         // We display deprecation messages for #[deprecated] and #[rustc_deprecated]