#2264: Validate using ghc-6.4.1: 3 failures, 1 workaround, 1 fix
-------------------------+--------------------------------------------------
Reporter: thorkilnaur | Owner:
Type: bug | Status: new
Priority: high | Milestone: 6.10 branch
Component: Compiler | Version: 6.9
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Architecture: Unknown
Os: Unknown |
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Changes (by igloo):
* priority: normal => high
* difficulty: => Unknown
* milestone: => 6.10 branch
Comment:
Thanks Thorkil. I think that `zipLazy` could be rewritten as
{{{
zipLazy [] _ = []
zipLazy (x:xs) zs = let y : ys = zs
in (x,y) : zipLazy xs ys
}}}
(although I haven't tested it with 6.4), but before fixing that, I'd like
to know what our plan is for the `ZipDataflow` problems. I suspect that
the problem is that it uses scoped type variables, and the syntax and
semantics of those have changed quite a bit. We really probably only have
2 options: declare that 6.10 needs >= 6.6 to build, or rewrite the code
not to use scoped type variables.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2264#comment:1>
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