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  • Glasgow Haskell CompilerGlasgow Haskell Compiler
  • GHCGHC
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  • #13135
Closed
Open
Issue created Jan 16, 2017 by Saulzar@trac-Saulzar

Typechecker "panic! the 'impossible' happened"

May be something to do with type family dependencies? Unclear - but I've attached a reduced source.

Trac metadata
Trac field Value
Version 8.0.2
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Compiler (Type checker)
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system
Architecture
Edited Mar 10, 2019 by Saulzar
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information
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