From aef1659af71ed929ed6328c6e979e32cde00d843 Mon Sep 17 00:00:00 2001
From: "Marco Fogliatto (Dev Agent)"
 <291507513+mfogliatto-dev-agent@users.noreply.github.com>
Date: Wed, 10 Jun 2026 08:05:30 +0000
Subject: [PATCH] fix: cache FixableDiagnosticIds as static
 ImmutableArray.Empty

Fixes mfogliatto/ReferenceCop#72
---
 .../ReferenceCopCodeFixProvider.cs                              | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ReferenceCop.Roslyn.CodeFixes/ReferenceCopCodeFixProvider.cs b/src/ReferenceCop.Roslyn.CodeFixes/ReferenceCopCodeFixProvider.cs
index 3f5125d..5224d23 100644
--- a/src/ReferenceCop.Roslyn.CodeFixes/ReferenceCopCodeFixProvider.cs
+++ b/src/ReferenceCop.Roslyn.CodeFixes/ReferenceCopCodeFixProvider.cs
@@ -18,7 +18,7 @@ public class ReferenceCopCodeFixProvider : CodeFixProvider
     {
         public sealed override ImmutableArray<string> FixableDiagnosticIds
         {
-            get { return Enumerable.Empty<string>().ToImmutableArray<string>(); }
+            get { return ImmutableArray<string>.Empty; }
         }
 
         public sealed override FixAllProvider GetFixAllProvider()