Diagnosing excessive memory usage / crash when compiling - 9.8.1

[Ben Gamari]

Justin Bailey <jgbailey at gmail.com> writes:

> Well, after running with these flags, one of the `.dump-simpl` files
> is 26 GB! That's also the module it seems to hang on, so pretty sure
> something is going wrong there!
>
> I was seeing output indicating GHC had allocated 146GB during some of
> the passes ???
>
The high coercion sizes here suggest that this is some variant of #8095.
Having another minimal reproducer is always useful.

Cheers,

- Ben

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