From 04ca837b24b17f81e31e4cda4ba60029b2699a5a Mon Sep 17 00:00:00 2001
From: Stephen Toub <stoub@microsoft.com>
Date: Sat, 19 Mar 2022 08:19:58 -0400
Subject: [PATCH] Avoid boxing array enumerator in
 StackTrace.TryResolveStateMachineMethod (#66836)

---
 .../System.Private.CoreLib/src/System/Diagnostics/StackTrace.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libraries/System.Private.CoreLib/src/System/Diagnostics/StackTrace.cs b/src/libraries/System.Private.CoreLib/src/System/Diagnostics/StackTrace.cs
index c86c3be39fe76e..81b0e58b12dc57 100644
--- a/src/libraries/System.Private.CoreLib/src/System/Diagnostics/StackTrace.cs
+++ b/src/libraries/System.Private.CoreLib/src/System/Diagnostics/StackTrace.cs
@@ -418,7 +418,7 @@ private static bool TryResolveStateMachineMethod(ref MethodBase method, out Type
 
             foreach (MethodInfo candidateMethod in methods)
             {
-                IEnumerable<StateMachineAttribute>? attributes = candidateMethod.GetCustomAttributes<StateMachineAttribute>(inherit: false);
+                StateMachineAttribute[]? attributes = (StateMachineAttribute[])Attribute.GetCustomAttributes(candidateMethod, typeof(StateMachineAttribute), inherit: false);
                 if (attributes == null)
                 {
                     continue;