Cannot find name 'TypedArray'.

reproduction: https://tinyurl.com/2h4mss46

```ts
function bufferData<T>(array: TypedArray<T>): i32 {
  return array.length
}

export function fib(n: i32): i32 {
  const a = new Float32Array(10)
  return bufferData(a)
}
```

When compiled with `asc` it errors with

```js
ERROR TS2304: Cannot find name 'TypedArray'.
```