#9186: GHC panic when compiling compdata ------------------------------------+------------------------------------- Reporter: snoyberg | Owner: Type: bug | Status: new Priority: normal | Milestone: 7.8.3 Component: Compiler | Version: 7.8.2 Keywords: | Operating System: Unknown/Multiple Architecture: Unknown/Multiple | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ------------------------------------+------------------------------------- When testing ghc-7.8.2.20140609 with Stackage, I came across the following ghc panic: [51 of 62] Compiling Data.Comp.Ordering ( src/Data/Comp/Ordering.hs, dist/build/Data/Comp/Ordering.o ) ghc: panic! (the 'impossible' happened) (GHC version 7.8.2.20140609 for x86_64-unknown-linux): Loading temp shared object failed: /tmp/ghc4836_0/ghc4836_257.so: undefined symbol: compdatazm0zi8zi1zi0_DataziCompziDeriveziUtils_zdwabstractConType_info Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug Failed to install compdata-0.8.1.0 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9186 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler