#5957: signatures are too permissive
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Reporter: maeder | Owner:
Type: bug | Status: new
Priority: low | Milestone: _|_
Component: Compiler (Type checker) | Version: 7.4.1
Resolution: | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: None/Unknown | Difficulty: Unknown
Testcase: typecheck/should_fail/T5957 | Blockedby:
Blocking: | Related:
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Changes (by simonpj):
* priority: normal => low
* milestone: => _|_
Comment:
It's a bit awkward to exclude this, because we do validity checking on the
type ''after'' converting it to `Type`, at which point the distinction
between `Eq a => Eq b => ty` and `(Eq a, Eq b) => ty` has disappeared.
You are right that it's a bug but I'm not sure it's worth the cycles to
fix it. I'm willing to be told otherwise.
Simon
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5957#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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