From 51806323f9288e9cdab756a6b528823bcadcaa7a Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume1.gomez@gmail.com>
Date: Thu, 11 Dec 2025 01:35:28 +0100
Subject: [PATCH] Do not error if there are duplicated doc attributes

---
 compiler/rustc_attr_parsing/src/attributes/doc.rs | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/compiler/rustc_attr_parsing/src/attributes/doc.rs b/compiler/rustc_attr_parsing/src/attributes/doc.rs
index 2fe1b4ad174c..547f00d14041 100644
--- a/compiler/rustc_attr_parsing/src/attributes/doc.rs
+++ b/compiler/rustc_attr_parsing/src/attributes/doc.rs
@@ -358,10 +358,14 @@ impl DocParser {
                     return;
                 }
 
-                if self.attribute.$ident.is_some() {
-                    cx.duplicate_key(path.span(), path.word_sym().unwrap());
-                    return;
-                }
+                // FIXME: It's errorring when the attribute is passed multiple times on the command
+                // line.
+                // The right fix for this would be to only check this rule if the attribute is
+                // not set on the command line but directly in the code.
+                // if self.attribute.$ident.is_some() {
+                //     cx.duplicate_key(path.span(), path.word_sym().unwrap());
+                //     return;
+                // }
 
                 self.attribute.$ident = Some(path.span());
             }};