Bugs

[Sigbjorn Finne]

Let me correct this slightly - thought I had a good handle
on the changes reqd to fix the issue with precedences and
unary negation, but alas no.

So, no change in the status of item 7.

--sigbjorn

----- Original Message -----
From: "Sigbjorn Finne" <sof@galois.com>
To: "Simon Marlow" <simonmar@microsoft.com>
Cc: <cvs-hugs@haskell.org>
Sent: Thursday, September 12, 2002 14:59
Subject: Re: Bugs


> Thanks, these now behave as expected with Hugs, bar the
> 2nd one, which is a known Hugs issue. I'm not planning on
> tackling it right now; others feel free..
>
> --sigbjorn
>
> ----- Original Message -----
> From: "Simon Marlow" <simonmar@microsoft.com>
> To: <cvs-hugs@haskell.org>
> Sent: Wednesday, September 11, 2002 03:07
> Subject: Bugs
>
>
> > Hugs folk,
> >
> > I thought I'd run the latest Hugs against some of the GHC tests, in
> > particular to test the module system since it's received some attention
> > recently.  I've found a few bugs...  all these test cases can be found
> > under fptools/testsuite/rename.
> >
> > 1. Hiding constructors doesn't work properly.  See rename/prog002, which
> > should fail to compile.
> >
> > 2. Pattern bindings which bind no variables are erroneously disallowed
> > (rename/should_compile/rn003).
> >
> > 3. some problem with qualified imports (rename/should_compile/rn026 and
> > rename/should_compile/rn027).
> >
> > 4. defining a variable which clashes with an import is ok as long as the
> > variable is never referred to.  Hugs disallows it.
> > (rename/should_compile/rn029).
> >
> > 5. some problem with empty declaration lists
> > (rename/should_compile/rn034).
> >
> > 6. infix declarations are legal inside a class declaration
> > (rename/should_compile/rn035).
> >
> > 7. precedence parsing with unary negation is wrong.
> > (rename/should_fail/rnfail017.hs).
> >
> > 8. it appears that extra qualified names are being brough into scope
> > (rename/should_fail/rnfail030.hs and rnfail031.hs).
> >
> > 9. hiding doesn't work with qualified imports
> > (rename/should_fail/rnfail032.hs and rnfail033.hs).
> >
> > 10. naming a constructor in an export list is illegal.
> > (rename/should_fail/rnfail035.hs).
> >
> > We really ought to think about merging our test suites at some point;
> > the stuff in fptools/testsuite is supposed to be largely
> > compiler-independednt, but it will need some work to make it go through
> > with Hugs.
> >
> > Cheers,
> > Simon
> >
>
>
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