[Haskell-cafe] Access violation when stack haddock haskell-src-exts since LTS 12.0

Michael Snoyman michael at snoyman.com
Thu Jul 19 13:35:21 UTC 2018

Given that the haddock.exe executable itself is crashing, it seems highly
unlikely to be a bug in either Stack or Cabal. I can think of three
possibilities here:

* There's a bug in Haddock itself, such as an FFI call or some embedded C
* There's a bug in GHC which is generating invalid code
* The GHC bindist itself has included a corrupted haddock.exe

I agree with Vanessa: trying to reproduce this with another build tool
(`cabal haddock` or `cabal new-haddock`) would be a good next step,
followed by a bug report against (most likely) GHC.

On Thu, Jul 19, 2018 at 9:29 AM Yuji Yamamoto <whosekiteneverfly at gmail.com>

> I always get an " Access violation in generated code when reading
> 0x28900000" error when
> executing
> > stack haddock haskell-src-exts
> since LTS 12.0.
> I'm not sure to which project I should submit a bug report.
> GHC? Haddock? Or Stack?
> And how can I make a smaller case  to reproduce the same error?
> I  attached a log when executing with --verbose --cabal-verbose for your
> info.
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