#11824: GHC error in desugarer lookup -------------------------------------+------------------------------------- Reporter: darchon | Owner: Type: bug | Status: new Priority: normal | Milestone: 8.0.1 Component: Compiler | Version: 8.0.1-rc3 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: Compile-time Unknown/Multiple | crash Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- In GHC8-rc3, I'm getting: {{{ GHC error in desugarer lookup in CLaSH.Core.TyCon: Can't find interface-file declaration for variable $tcType Probable cause: bug in .hi-boot file, or inconsistent .hi file Use -ddump-if-trace to get an idea of which file caused the error ghc: panic! (the 'impossible' happened) (GHC version 8.0.0.20160411 for x86_64-unknown-linux): initDs IOEnv failure Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug }}} To reproduce (requires stack): * git clone -b ghc8 https://github.com/clash-lang/clash-compiler.git * cd clash-compiler * git submodule update --init * stack --stack-yaml=stack-ghc8.yaml build The -ddump-if-trace of CLaSH.Core.TyCon can be found here: https://gist.github.com/christiaanb/1cd84e9941f6614321719e298cc12af0 I'm terribly sorry that the current instructions for reproducing the bug are to build my project and all its dependencies. I'm having a lot of trouble reducing the bug to a sensible/small test case, so any hints as to what might be the cause of this bug would be helpful. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11824 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler