From 4e4e28cfc2455f0a10a20a424e5e1386bbfe0c00 Mon Sep 17 00:00:00 2001
From: Jakob Botsch Nielsen <jakob.botsch.nielsen@gmail.com>
Date: Mon, 29 Jun 2026 17:38:31 +0200
Subject: [PATCH] Enable tiering for async versions

---
 src/coreclr/vm/method.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/coreclr/vm/method.cpp b/src/coreclr/vm/method.cpp
index a71ea6efd1a0c2..e6b95c9086fb09 100644
--- a/src/coreclr/vm/method.cpp
+++ b/src/coreclr/vm/method.cpp
@@ -3170,8 +3170,8 @@ bool MethodDesc::DetermineAndSetIsEligibleForTieredCompilation()
         // Functions with NoOptimization or AggressiveOptimization don't participate in tiering
         !IsJitOptimizationLevelRequested() &&
 
-        // Tiering the async thunk methods is not supported currently
-        !IsAsyncThunkMethod() &&
+        // We tier async versions, but not task-returning wrapper thunks
+        (!IsAsyncThunkMethod() || SupportsAsyncVersionCodegen()) &&
 
         // Tiering P/Invoke methods is not supported currently
         !IsPInvoke()