Bug 1764222 Comment 7 Edit History

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There's another issue caught in the testcase:

```js
let a = new AbortController()
a.abort()
let b = new File(['ó ¬a'], 'a', {})
let c = new WritableStream()
await b.stream().tee()[0].pipeTo(c, { 'signal': a.signal })
```

This should fail immediately but it does not 🤔
There's another issue caught in the testcase:

```js
let a = new AbortController()
a.abort()
let b = new File(['ó ¬a'], 'a', {})
let c = new WritableStream()
await b.stream().tee()[0].pipeTo(c, { 'signal': a.signal })
```

This should reject immediately but it does not 🤔

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