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Add regression test: #14454, IAsyncDisposable use in task CE in FSI #20251

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Merged
T-Gro merged 2 commits into from
Aug 13, 2026
+23 −0
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Add regression test: #14454, IAsyncDisposable use in task CE in FSI #20251

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ff06ceb
Add regression test for #14454: IAsyncDisposable use in task CE in FSI
github-actions[bot] Aug 13, 2026
cb9db44
Fix: use FactForNETCOREAPP — IAsyncDisposable unavailable on Desktop
github-actions[bot] Aug 13, 2026
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23 changes: 23 additions & 0 deletions tests/FSharp.Compiler.ComponentTests/Scripting/Interactive.fs
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Original file line number Diff line number Diff line change
Expand Up @@ -358,3 +358,26 @@ asm.GetCustomAttributes(typeof<System.Diagnostics.DebuggableAttribute>, false)
| Result.Error ex -> raise ex

Assert.Equal(1, flags.Length)

// https://github.com/dotnet/fsharp/issues/14454
[<FSharp.Test.FactForNETCOREAPP>]
let ``Issue 14454 - IAsyncDisposable use in task CE`` () =
Fsx
"""
open System
open System.Threading.Tasks

let asyncDisposable =
{ new IAsyncDisposable with
member _.DisposeAsync() = ValueTask() }

let t =
task {
use d = asyncDisposable
return ()
}

t.Wait()
"""
|> eval
|> shouldSucceed