Put AO back to AwaitUnsafeOnCompleted (#90980)

Co-authored-by: EgorBo <egorbo@gmail.com>
dotnet · Aug 23, 2023 · 3155448 · 3155448
1 parent 01d66a8
commit 3155448
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/...ies/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs b/...ies/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs
@@ -93,6 +93,9 @@ internal static void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(
             AwaitUnsafeOnCompleted(ref awaiter, box);
         }
 
+        // Tier0 codegen for this function may still allocate (while FullOpts won't).
+        // TODO: remove once https://github.com/dotnet/runtime/issues/90965 is implemented
+        [MethodImpl(MethodImplOptions.AggressiveOptimization)]
         internal static void AwaitUnsafeOnCompleted<TAwaiter>(
             ref TAwaiter awaiter, IAsyncStateMachineBox box)
             where TAwaiter : ICriticalNotifyCompletion