[GHC] #10564: GHC 7.10.2 RC cannot build HList-0.4.0.0
GHC
ghc-devs at haskell.org
Thu Jun 25 19:26:28 UTC 2015
#10564: GHC 7.10.2 RC cannot build HList-0.4.0.0
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Reporter: snoyberg | Owner:
Type: bug | Status: new
Priority: high | Milestone: 7.10.2
Component: Compiler | Version: 7.10.2-rc1
Resolution: | Keywords:
Operating System: Linux | Architecture: x86_64
Type of failure: GHC rejects | (amd64)
valid program | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Revisions:
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Changes (by rwbarton):
* priority: normal => high
Comment:
Setting priority to high since it is a regression (or a change, at least)
since 7.10.1.
Probably relevant is that the type classes involved are polykinded; I got
too confused trying to work out the interaction between functional
dependencies and polykinds to determine whether the program should be
accepted or not.
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10564#comment:1>
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