#7128: Panic "lookupVarEnv_NF" when using a functional dependency with a kind
variable
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Reporter: goldfire | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.5 | Keywords: PolyKinds
FunctionalDependencies
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: Compile-time crash | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by simonpj@…):
commit e949162653b65d8e48573e84583c6509be2f24ed
{{{
Author: Simon Peyton Jones <simo...@microsoft.com>
Date: Tue Aug 14 17:06:00 2012 +0100
Fix Trac #7128, by zonking kind varaibles more assiduously when
typechecking a class declaration
compiler/typecheck/TcHsSyn.lhs | 2 +-
compiler/typecheck/TcTyClsDecls.lhs | 19 +++++++++++++++----
2 files changed, 16 insertions(+), 5 deletions(-)
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7128#comment:1>
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