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Avoid boxing allocations for async in Tier0 #22984

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Mar 29, 2019
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Avoid boxing allocations for async in Tier0 #22984

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Avoid boxing allocations for async in Tier0
benaadams Mar 3, 2019
3deb2f4
Add comment on AggressiveOptimization with issue number
benaadams Mar 3, 2019
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2 changes: 2 additions & 0 deletions src/System.Private.CoreLib/shared/System/Runtime/CompilerServices/AsyncMethodBuilder.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -399,6 +399,8 @@ public void SetStateMachine(IAsyncStateMachine stateMachine)
/// <typeparam name="TStateMachine">Specifies the type of the state machine.</typeparam>
/// <param name="awaiter">The awaiter.</param>
/// <param name="stateMachine">The state machine.</param>
// AggressiveOptimization to workaround boxing allocations in Tier0 until: https://github.com/dotnet/coreclr/issues/14474
[MethodImpl(MethodImplOptions.AggressiveOptimization)]
public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(
ref TAwaiter awaiter, ref TStateMachine stateMachine)
where TAwaiter : ICriticalNotifyCompletion
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