#10151: Compilation failed on mac, ghc: panic! (the 'impossible' happened) -------------------------------------+------------------------------------- Reporter: jaseemabid | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.3 Keywords: | Operating System: MacOS X Architecture: | Type of failure: None/Unknown Unknown/Multiple | Blocked By: Test Case: | Related Tickets: Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- I was experimenting in ghci and this happened. {{{ ghc: panic! (the 'impossible' happened) (GHC version 7.8.3 for x86_64-apple-darwin): Loading temp shared object failed: dlopen(/var/folders/mj/k7lrnmkn13v753mbj7q6fmy00000gn/T/ghc32761_0/ghc32761_77.dylib, 9): Symbol not found: __hpc_tickboxes_lisperzm0zi1zi0zi0_LisperziCore_hpc Referenced from: /var/folders/mj/k7lrnmkn13v753mbj7q6fmy00000gn/T/ghc32761_0/ghc32761_77.dylib Expected in: flat namespace in /var/folders/mj/k7lrnmkn13v753mbj7q6fmy00000gn/T/ghc32761_0/ghc32761_77.dylib }}} Complete source code of the project that caused this: https://github.com/jaseemabid/lisper ghc version: 7.8.3 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10151 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler