T12041 failing?

[Simon Marlow]

Ok, so I think we should mark the test as expect_broken, because the Travis
builds use -DDEBUG and this is causing them to fail currently (see e.g.
https://travis-ci.org/simonmar/ghc/builds/174768018)

Cheers
Simon

On 11 November 2016 at 17:39, Simon Peyton Jones <simonpj at microsoft.com>
wrote:

> Hmm.  Yes, this is an (actually harmless) assertion failure if your build
> has -DDEBUG on.  I think it’s just a fluke that it’s only just started
> failing.
>
>
>
> I’ll make a ticket for it; I don’t think it’s super-urgent.
>
>
>
> Simon
>
>
>
> *From:* ghc-devs [mailto:ghc-devs-bounces at haskell.org] *On Behalf Of *Simon
> Marlow
> *Sent:* 09 November 2016 13:03
> *To:* ghc-devs at haskell.org
> *Subject:* T12041 failing?
>
>
>
> I just saw the error below in a validate with -DDEBUG.  Anyone know about this?
>
> --- /tmp/ghctest-uhJ8rt/test   spaces/./indexed-types/should_fail/T12041.run/T12041.stderr.normalised       2016-11-09 12:13:38.206501840 +0000
>
> +++ /tmp/ghctest-uhJ8rt/test   spaces/./indexed-types/should_fail/T12041.run/T12041.comp.stderr.normalised  2016-11-09 12:13:38.206501840 +0000
>
> @@ -1,7 +1,17 @@
>
> +ghc: panic! (the 'impossible' happened)
>
> +  (GHC version 8.1.20161109 for x86_64-unknown-linux):
>
> +      ASSERT failed!
>
> +  i_axb
>
> +  Call stack:
>
> +      CallStack (from HasCallStack):
>
> +        prettyCurrentCallStack, called at compiler/utils/Outputable.hs:<line>:<column> in <package-id>:Outputable
>
> +        callStackDoc, called at compiler/utils/Outputable.hs:<line>:<column> in <package-id>:Outputable
>
> +        assertPprPanic, called at compiler/typecheck/TcType.hs:<line>:<column> in <package-id>:TcType
>
> +  Call stack:
>
> +      CallStack (from HasCallStack):
>
> +        prettyCurrentCallStack, called at compiler/utils/Outputable.hs:<line>:<column> in <package-id>:Outputable
>
> +        callStackDoc, called at compiler/utils/Outputable.hs:<line>:<column> in <package-id>:Outputable
>
> +        pprPanic, called at compiler/utils/Outputable.hs:<line>:<column> in <package-id>:Outputable
>
> +        assertPprPanic, called at compiler/typecheck/TcType.hs:<line>:<column> in <package-id>:TcType
>
>  -T12041.hs:12:15:
>
> -     Expected kind ‘i -> Constraint’,
>
> -        but ‘(~) Int’ has kind ‘* -> Constraint’
>
> -     In the type ‘(~) Int’
>
> -      In the type instance declaration for ‘Ob’
>
> -      In the instance declaration for ‘Category I’
>
> +Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.haskell.org%2Fghc%2Freportabug&data=02%7C01%7Csimonpj%40microsoft.com%7C8af7a5deff5f49d2ab9808d408a0bd62%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636142933860965747&sdata=BUkCjhjy1GhK9SVcws2TAYIVD5FzdsYrXKciuyD6MzM%3D&reserved=0>
>
> *** unexpected failure for T12041(normal)
>
>
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