From f7256d28d1c2f8340ab5b99df4bdb15aa232f3f3 Mon Sep 17 00:00:00 2001
From: Ross MacArthur <ross@macarthur.io>
Date: Sat, 21 Dec 2019 13:16:18 +0200
Subject: Require issue = "none" over issue = "0" in unstable attributes

---
 src/libsyntax/attr/builtin.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/libsyntax')

diff --git a/src/libsyntax/attr/builtin.rs b/src/libsyntax/attr/builtin.rs
index a37b27f67bc..d780d0ad764 100644
--- a/src/libsyntax/attr/builtin.rs
+++ b/src/libsyntax/attr/builtin.rs
@@ -376,11 +376,11 @@ fn find_stability_generic<'a, I>(sess: &ParseSess,
                     match (feature, reason, issue) {
                         (Some(feature), reason, Some(issue)) => {
                             let issue = match &*issue.as_str() {
-                                // FIXME(rossmacarthur): remove "0" because "none" should be used
-                                // See #41260
-                                "none" | "0" => None,
+                                "none" => None,
                                 issue => {
                                     if let Ok(num) = issue.parse() {
+                                        // FIXME(rossmacarthur): disallow 0
+                                        // Disallowing this requires updates to some submodules
                                         NonZeroU32::new(num)
                                     } else {
                                         span_err!(
-- 
cgit 1.4.1-3-g733a5