#16367: Panic when trying to openFile --------------------------------------+---------------------------------- Reporter: vilem | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: GHCi | Version: 8.4.3 Keywords: | Operating System: MacOS X Architecture: x86_64 (amd64) | Type of failure: Runtime crash Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: --------------------------------------+---------------------------------- {{{ $ stack repl Note: No local targets specified, so a plain ghci will be started with no package hiding or package options. If you want to use package hiding and options, then you can try one of the following: * If you want to start a different project configuration than /Users/vl200/.stack/global-project/stack.yaml, then you can use stack init to create a new stack.yaml for the packages in the current directory. * If you want to use the project configuration at /Users/vl200/.stack/global-project/stack.yaml, then you can add to its 'packages' field. Configuring GHCi with the following packages: GHCi, version 8.4.3: http://www.haskell.org/ghc/ :? for help Loaded GHCi configuration from /Users/vl200/.ghci Loaded GHCi configuration from /private/var/folders/km/1g5b7h891674vhv9z1g4d9cw0000gn/T/haskell-stack- ghci/2a3bbd58/ghci-script Prelude> import System.IO Prelude System.IO> openFile ".g .granule .gitignore .ghc .ghci .gitconfig Prelude System.IO> openFile ".granule" Re Read ReadMode ReadS ReadWriteMode Real RealFloat RealFrac RelativeSeek Prelude System.IO> openFile ".granule" ReadMode ghc: panic! (the 'impossible' happened) (GHC version 8.4.3 for x86_64-apple-darwin): nameModule system $dShow_a1QJ Call stack: CallStack (from HasCallStack): callStackDoc, called at compiler/utils/Outputable.hs:1150:37 in ghc:Outputable pprPanic, called at compiler/basicTypes/Name.hs:241:3 in ghc:Name Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug}}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/16367 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler