x/tools/go/analysis/checker: Example failures [consistent failure]

```
#!watchflakes
default <- pkg == "golang.org/x/tools/go/analysis/checker" && test == "Example"
```

Issue created automatically to collect these failures.

Example ([log](https://ci.chromium.org/b/8730638892140920817)):

    === RUN   Example
    2024/11/21 17:46:57 err: pipe: not implemented on js: stderr: 


— [watchflakes](https://go.dev/wiki/Watchflakes)
