Bug#839840: ghci segfaults on armel, related to doctest failure

[Sven Bartscher]

On Wed, 5 Oct 2016 17:12:45 +0000
Clint Adams <clint at debian.org> wrote:

> Source: ghc
> Version: 7.10.3-9
> Severity: serious
> 
> clint at abel ~/haskell-http-api-data-0.2.4
>  % ghci -isrc -XCPP -D"MIN_VERSION_base(X,Y,Z)=1"
> GHCi, version 7.10.3: http://www.haskell.org/ghc/  :? for help
> Prelude> :l src/Web/HttpApiData.hs  
> [1 of 2] Compiling Web.HttpApiData.Internal ( src/Web/HttpApiData/Internal.hs, interpreted )
> [2 of 2] Compiling Web.HttpApiData  ( src/Web/HttpApiData.hs, interpreted )
> Ok, modules loaded: Web.HttpApiData, Web.HttpApiData.Internal.
> *Web.HttpApiData> :set -XOverloadedStrings
> *Web.HttpApiData> import Control.Applicative  
> *Web.HttpApiData Control.Applicative> import Data.Time
> *Web.HttpApiData Control.Applicative Data.Time> import Data.Int
> *Web.HttpApiData Control.Applicative Data.Time Data.Int> import Data.Text (Text)
> *Web.HttpApiData Control.Applicative Data.Time Data.Int Data.Text> import Data.Time (Day)
> *Web.HttpApiData Control.Applicative Data.Time Data.Int Data.Text Data.Time> import Data.Version
> *Web.HttpApiData Control.Applicative Data.Time Data.Int Data.Text Data.Time Data.Version> toUrlPiece True
> "true"
> *Web.HttpApiData Control.Applicative Data.Time Data.Int Data.Text Data.Time Data.Version> parseUrlPiece "false" :: Either Text Bool
> zsh: segmentation fault  ghci -isrc -XCPP -D"MIN_VERSION_base(X,Y,Z)=1"
> 
> The backtrace is useless.

This bug I reported upstream[1] might be related to that.

Regards
Sven

[1]: https://ghc.haskell.org/trac/ghc/ticket/11831
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