From 0a635b9a20077e2f932a9baee527052d8ed45d9e Mon Sep 17 00:00:00 2001
From: Ed Page <eopage@gmail.com>
Date: Tue, 16 Jan 2024 14:15:48 -0600
Subject: [PATCH] fix(parser): Don't duplicate requireds when usage disabled

Skipping a test for now because we don't have a mixed-feature testing
strategy.

Fixes #5312
---
 clap_builder/src/parser/validator.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/clap_builder/src/parser/validator.rs b/clap_builder/src/parser/validator.rs
index 55f4633cc44..119d43a5f66 100644
--- a/clap_builder/src/parser/validator.rs
+++ b/clap_builder/src/parser/validator.rs
@@ -429,6 +429,8 @@ impl<'cmd> Validator<'cmd> {
                             "".to_owned()
                         }
                     })
+                    .collect::<FlatSet<_>>()
+                    .into_iter()
                     .collect::<Vec<_>>()
             }
         };